"Pseudo-MPEC" for ON05509

Created 2025 Sep 27 23:35:08 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     ON05509* C2025 09 22.91148108 15 21.251+16 17 18.17   ~9NAK 20.57rWNEOCPO18
     ON05509  C2025 09 22.91585608 15 21.239+16 17 04.32   ~9NAK 20.93rWNEOCPO18
     ON05509  C2025 09 22.91805508 15 21.230+16 16 56.83   ~9NAK 20.51rWNEOCPO18

Station data:
(O18) WFST, Lenghu  (N38.607601 E93.895220).

Orbital elements:  ON05509
   Perihelion 2025 Aug 3.285616 +/- 24.9 TT =  6:51:17.2 (JD 2460890.785616)
Epoch 2025 Sep 23.0 TT = JDT 2460941.5   Earth MOID: 0.1364   Ve: 0.0857
M  99.259842888 +/- 50              (J2000 ecliptic)             AutoNEOCP
n   1.957232542 +/- 1.13            Peri.   33.407574 +/- 70
a   0.632957325 +/- 0.244           Node   210.301509 +/- 41
e   0.57596440 +/- 0.229            Incl.   37.380148 +/- 58
P   0.504/183.930d         H 19.32  G  0.15   U 12.8  SR
q 0.268396434 +/- 0.358    Q 0.997518216 +/- 9
From 3 observations 2025 Sept. 22 (9.5 min); mean residual 0".12
Residuals in arcseconds: 
250922 O18  .01-  .08-    250922 O18  .02+  .23+    250922 O18  .01-  .15-    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2025 09 28 00  08 16 08.118   +11 30 14.61  .53630 .88218  61.5 20.7  49d  79
2025 09 28 01  08 16 08.881   +11 27 47.85  .53615 .88245  61.5 20.7  49d  79
2025 09 28 02  08 16 09.650   +11 25 21.00  .53600 .88272  61.5 20.7  49d  79
2025 09 28 03  08 16 10.425   +11 22 54.06  .53585 .88299  61.5 20.7  49d  78
2025 09 28 04  08 16 11.205   +11 20 27.03  .53570 .88326  61.6 20.7  50d  78
2025 09 28 05  08 16 11.990   +11 17 59.90  .53555 .88353  61.6 20.7  51d  77
2025 09 28 06  08 16 12.781   +11 15 32.68  .53540 .88380  61.6 20.7  51d  77
2025 09 28 07  08 16 13.578   +11 13 05.36  .53526 .88407  61.7 20.7  52d  77
2025 09 28 08  08 16 14.380   +11 10 37.96  .53511 .88434  61.7 20.7  52d  78
2025 09 28 09  08 16 15.187   +11 08 10.45  .53496 .88461  61.7 20.7  52d  78
2025 09 28 10  08 16 16.000   +11 05 42.86  .53481 .88488  61.8 20.7  52d  78
2025 09 28 11  08 16 16.819   +11 03 15.17  .53466 .88514  61.8 20.7  52d  78
2025 09 28 12  08 16 17.643   +11 00 47.39  .53451 .88541  61.8 20.7  52d  78
2025 09 28 13  08 16 18.472   +10 58 19.52  .53436 .88568  61.9 20.7  52d  78
2025 09 28 14  08 16 19.307   +10 55 51.55  .53421 .88595  61.9 20.7  52d  78
2025 09 28 15  08 16 20.147   +10 53 23.48  .53407 .88621  61.9 20.7  52d  79
2025 09 28 16  08 16 20.993   +10 50 55.33  .53392 .88648  62.0 20.7  52d  79
2025 09 28 17  08 16 21.844   +10 48 27.08  .53377 .88675  62.0 20.7  52d  79
2025 09 28 18  08 16 22.700   +10 45 58.74  .53362 .88701  62.0 20.7  52d  79
2025 09 28 19  08 16 23.562   +10 43 30.30  .53347 .88728  62.0 20.7  52d  79
2025 09 28 20  08 16 24.429   +10 41 01.77  .53332 .88754  62.1 20.7  52d  79
2025 09 28 21  08 16 25.301   +10 38 33.14  .53317 .88781  62.1 20.7  52d  79
2025 09 28 22  08 16 26.179   +10 36 04.43  .53302 .88807  62.1 20.7  52d  79
2025 09 28 23  08 16 27.062   +10 33 35.61  .53288 .88833  62.2 20.7  52d  79
2025 09 29 00  08 16 27.951   +10 31 06.71  .53273 .88860  62.2 20.7  52d  79
2025 09 29 01  08 16 28.844   +10 28 37.71  .53258 .88886  62.2 20.7  52d  79
2025 09 29 02  08 16 29.744   +10 26 08.61  .53243 .88913  62.3 20.7  52d  80
2025 09 29 03  08 16 30.648   +10 23 39.43  .53228 .88939  62.3 20.7  52d  80
2025 09 29 04  08 16 31.558   +10 21 10.14  .53213 .88965  62.3 20.7  52d  80
2025 09 29 05  08 16 32.473   +10 18 40.77  .53198 .88991  62.4 20.7  52d  80
2025 09 29 06  08 16 33.393   +10 16 11.30  .53183 .89017  62.4 20.7  52d  80
2025 09 29 07  08 16 34.318   +10 13 41.73  .53168 .89043  62.4 20.7  52d  80
2025 09 29 08  08 16 35.249   +10 11 12.07  .53154 .89070  62.4 20.7  52d  80
2025 09 29 09  08 16 36.185   +10 08 42.32  .53139 .89096  62.5 20.7  52d  80
2025 09 29 10  08 16 37.126   +10 06 12.47  .53124 .89122  62.5 20.7  52d  80
2025 09 29 11  08 16 38.073   +10 03 42.53  .53109 .89148  62.5 20.7  52d  80
2025 09 29 12  08 16 39.024   +10 01 12.50  .53094 .89174  62.6 20.7  52d  80
2025 09 29 13  08 16 39.981   +09 58 42.36  .53079 .89200  62.6 20.7  52d  80
2025 09 29 14  08 16 40.943   +09 56 12.14  .53064 .89225  62.6 20.7  52d  80
2025 09 29 15  08 16 41.910   +09 53 41.82  .53049 .89251  62.7 20.7  52d  80
2025 09 29 16  08 16 42.882   +09 51 11.41  .53034 .89277  62.7 20.7  52d  80
2025 09 29 17  08 16 43.860   +09 48 40.90  .53020 .89303  62.7 20.7  52d  80
2025 09 29 18  08 16 44.842   +09 46 10.30  .53005 .89329  62.7 20.7  52d  80
2025 09 29 19  08 16 45.830   +09 43 39.60  .52990 .89354  62.8 20.7  52d  80
2025 09 29 20  08 16 46.823   +09 41 08.81  .52975 .89380  62.8 20.7  52d  80
2025 09 29 21  08 16 47.821   +09 38 37.92  .52960 .89406  62.8 20.7  52d  80
2025 09 29 22  08 16 48.824   +09 36 06.94  .52945 .89431  62.9 20.7  52d  80
2025 09 29 23  08 16 49.832   +09 33 35.86  .52930 .89457  62.9 20.7  52d  79