"Pseudo-MPEC" for C9HD3C2

Created 2023 Sep 27 1:22:05 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

• Astrometry
• Astrometry (from NEOCP, if available)
• 'Scout' (JPL) information
• Observing stations
• Orbital elements
• Residuals
• Ephemeris
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• Click here to search Spacewatch images for this object using Skymorph

 
 Astrometry: 
     C9HD3C2*1C2023 09 18.33743901 48 05.836+07 54 42.34   ~9I8qx20.70GVNEOCPG96
     C9HD3C2 1C2023 09 18.34775901 48 00.580+07 47 59.14   ~9I8q       VNEOCPG96
     C9HD3C2 1C2023 09 18.35292401 47 58.088+07 44 37.68   ~9I8qx20.39GVNEOCPG96
     C9HD3C2 KC2023 09 18.42039301 47 24.799+07 01 22.80   ~9IAb 19.47GVNEOCPI52
     C9HD3C2 KC2023 09 18.42100801 47 24.497+07 00 59.18   ~9IAb 19.86GVNEOCPI52
     C9HD3C2 KC2023 09 18.42162201 47 24.198+07 00 35.82   ~9IAb 19.89GVNEOCPI52
     C9HD3C2 KC2023 09 18.42223501 47 23.892+07 00 12.35   ~9IAb 19.85GVNEOCPI52

Station data:
(G96) Mt. Lemmon Survey  (N32.442751 W110.788720)  US/Arizona.  Observer E.
   J. Christensen. 1.5-m reflector + 10K CCD.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442544 W110.788920)
   US/Arizona.  Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G.
   A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A.
   Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
   Seaman, F. C. Shelly, K. W. Wierzchoś. 1.0-m prime focus + CCD.

Orbital elements:  C9HD3C2
   Perihelion 2023 May 24.44303 TT = 10:37:57 (JD 2460088.94303)
Epoch 2023 Sep 18.0 TT = JDT 2460205.5   Earth MOID: 0.0340   Ve: 0.0183
M 138.26464115                      (J2000 ecliptic)             AutoNEOCP
n   1.18624083     Peri.   28.17227
a   0.88380028     Node   175.88417
e   0.2154389      Incl.   27.32834
P   0.83/303.47d   H   25.47    G   0.15   q 0.69339525  Q 1.07420531
5 of 7 observations 2023 Sept. 18 (1.8 hr); mean residual 0".13

Residuals in arcseconds: 
230918 G96( 2.9+  6.4+)   230918 I52  .00   .24-    230918 I52  .03-  .27+    
230918 G96  .00   .01+    230918 I52  .00   .17-    
230918 G96( .69+  2.8-)   230918 I52  .04+  .13+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag
---- --------  ------------   ------------  ------ ------ -----  ---
2023 09 27 01  00 57 01.121   -49 32 15.72  .08227 1.0554 128.2 22.0
2023 09 27 02  00 56 49.236   -49 39 04.80  .08255 1.0555 128.1 22.0
2023 09 27 03  00 56 37.375   -49 45 50.81  .08284 1.0555 128.0 22.0
2023 09 27 04  00 56 25.540   -49 52 33.78  .08313 1.0556 127.9 22.0
2023 09 27 05  00 56 13.729   -49 59 13.75  .08342 1.0556 127.8 22.0
2023 09 27 06  00 56 01.943   -50 05 50.73  .08371 1.0557 127.7 22.0
2023 09 27 07  00 55 50.181   -50 12 24.76  .08400 1.0558 127.6 22.0
2023 09 27 08  00 55 38.444   -50 18 55.87  .08429 1.0558 127.5 22.0
2023 09 27 09  00 55 26.732   -50 25 24.08  .08459 1.0559 127.3 22.1
2023 09 27 10  00 55 15.044   -50 31 49.41  .08488 1.0559 127.2 22.1
2023 09 27 11  00 55 03.380   -50 38 11.90  .08517 1.0560 127.1 22.1
2023 09 27 12  00 54 51.742   -50 44 31.57  .08546 1.0561 127.0 22.1
2023 09 27 13  00 54 40.127   -50 50 48.44  .08575 1.0561 126.9 22.1
2023 09 27 14  00 54 28.537   -50 57 02.55  .08605 1.0562 126.8 22.1
2023 09 27 15  00 54 16.971   -51 03 13.91  .08634 1.0562 126.7 22.1
2023 09 27 16  00 54 05.430   -51 09 22.55  .08663 1.0563 126.6 22.1
2023 09 27 17  00 53 53.913   -51 15 28.50  .08693 1.0563 126.5 22.1
2023 09 27 18  00 53 42.420   -51 21 31.78  .08722 1.0564 126.4 22.1
2023 09 27 19  00 53 30.951   -51 27 32.41  .08751 1.0565 126.3 22.2
2023 09 27 20  00 53 19.507   -51 33 30.42  .08781 1.0565 126.2 22.2
2023 09 27 21  00 53 08.087   -51 39 25.83  .08810 1.0566 126.1 22.2
2023 09 27 22  00 52 56.690   -51 45 18.67  .08840 1.0566 126.0 22.2
2023 09 27 23  00 52 45.318   -51 51 08.96  .08869 1.0567 125.9 22.2
2023 09 28 00  00 52 33.971   -51 56 56.72  .08899 1.0568 125.8 22.2
2023 09 28 01  00 52 22.647   -52 02 41.98  .08928 1.0568 125.7 22.2
2023 09 28 02  00 52 11.347   -52 08 24.75  .08958 1.0569 125.6 22.2
2023 09 28 03  00 52 00.071   -52 14 05.06  .08988 1.0569 125.5 22.2
2023 09 28 04  00 51 48.819   -52 19 42.93  .09017 1.0570 125.4 22.2
2023 09 28 05  00 51 37.591   -52 25 18.38  .09047 1.0570 125.3 22.3
2023 09 28 06  00 51 26.387   -52 30 51.44  .09077 1.0571 125.2 22.3
2023 09 28 07  00 51 15.206   -52 36 22.13  .09107 1.0572 125.1 22.3
2023 09 28 08  00 51 04.050   -52 41 50.46  .09136 1.0572 125.0 22.3
2023 09 28 09  00 50 52.917   -52 47 16.46  .09166 1.0573 124.9 22.3
2023 09 28 10  00 50 41.808   -52 52 40.15  .09196 1.0573 124.8 22.3
2023 09 28 11  00 50 30.722   -52 58 01.55  .09226 1.0574 124.7 22.3
2023 09 28 12  00 50 19.661   -53 03 20.68  .09256 1.0574 124.6 22.3
2023 09 28 13  00 50 08.623   -53 08 37.56  .09286 1.0575 124.5 22.3
2023 09 28 14  00 49 57.608   -53 13 52.21  .09316 1.0575 124.4 22.3
2023 09 28 15  00 49 46.617   -53 19 04.64  .09346 1.0576 124.3 22.3
2023 09 28 16  00 49 35.650   -53 24 14.89  .09376 1.0577 124.2 22.4
2023 09 28 17  00 49 24.706   -53 29 22.96  .09405 1.0577 124.1 22.4
2023 09 28 18  00 49 13.786   -53 34 28.88  .09436 1.0578 124.1 22.4
2023 09 28 19  00 49 02.889   -53 39 32.67  .09466 1.0578 124.0 22.4
2023 09 28 20  00 48 52.015   -53 44 34.34  .09496 1.0579 123.9 22.4
2023 09 28 21  00 48 41.165   -53 49 33.91  .09526 1.0579 123.8 22.4
2023 09 28 22  00 48 30.338   -53 54 31.40  .09556 1.0580 123.7 22.4
2023 09 28 23  00 48 19.534   -53 59 26.84  .09586 1.0580 123.6 22.4
2023 09 29 00  00 48 08.754   -54 04 20.22  .09616 1.0581 123.5 22.4