"Pseudo-MPEC" for ON03877
Created 2025 Oct 17 8:35:13 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
ON03877* C2025 09 24.83174723 39 36.332+04 50 03.39NearDup 21.58rWNEOCPO18
ON03877 C2025 09 24.83423623 39 36.356+04 50 02.86 ~9S1K 21.67rWNEOCPO18
ON03877 C2025 09 24.83668923 39 36.366+04 50 02.22 ~9S1K 21.45rWNEOCPO18
Station data:
(O18) WFST, Lenghu (N38.607601 E93.895220). Observers K. Yan, Z. Q. Li, J.
Z. Zhu, N. Jiang, Z. Y. Liu. Measurers B. Li, H. B. Zhao, Z. J. Xu, G. T.
Zhaori. 2.5-m f/2.48 reflector + CCD.
Orbital elements: ON03877
Perihelion 2025 Nov 2.113657 +/- 48.2 TT = 2:43:39.9 (JD 2460981.613657)
Epoch 2025 Sep 25.0 TT = JDT 2460943.5 Earth MOID: 0.3193 Ma: 0.0784
M 350.316316286 +/- 18 (J2000 ecliptic) AutoNEOCP
n 0.254073852 +/- 0.245 Peri. 171.698410 +/- 80
a 2.468857750 +/- 1.59 Node 218.236044 +/- 52
e 0.46760813 +/- 0.248 Incl. 2.845515 +/- 1.2
P 3.87922 H 22.72 G 0.15 U 11.8 SR
q 1.314399788 +/- 0.388 Q 3.623315712 +/- 82.6
From 3 observations 2025 Sept. 24 (7.1 min); mean residual 0".04
Residuals in arcseconds: 250924 O18 .03- .02- 250924 O18 .07+ .04+ 250924 O18 .04- .01- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 10 17 09 23 51 18.166 +03 11 25.19 .35202 1.3243 155.1 22.0 52d 87 2025 10 17 10 23 51 20.470 +03 11 16.25 .35205 1.3242 155.1 22.0 52d 87 2025 10 17 11 23 51 22.778 +03 11 07.33 .35207 1.3242 155.0 22.0 52d 87 2025 10 17 12 23 51 25.091 +03 10 58.44 .35209 1.3241 155.0 22.0 52d 87 2025 10 17 13 23 51 27.408 +03 10 49.56 .35212 1.3241 155.0 22.0 52d 87 2025 10 17 14 23 51 29.730 +03 10 40.70 .35214 1.3240 154.9 22.0 52d 87 2025 10 17 15 23 51 32.056 +03 10 31.86 .35217 1.3239 154.9 22.0 52d 87 2025 10 17 16 23 51 34.386 +03 10 23.04 .35219 1.3239 154.9 22.0 52d 87 2025 10 17 17 23 51 36.721 +03 10 14.24 .35222 1.3238 154.9 22.0 52d 87 2025 10 17 18 23 51 39.060 +03 10 05.46 .35224 1.3238 154.8 22.0 52d 87 2025 10 17 19 23 51 41.403 +03 09 56.70 .35227 1.3237 154.8 22.0 52d 87 2025 10 17 20 23 51 43.751 +03 09 47.97 .35229 1.3237 154.8 22.0 52d 87 2025 10 17 21 23 51 46.103 +03 09 39.25 .35232 1.3236 154.7 22.0 52d 87 2025 10 17 22 23 51 48.460 +03 09 30.55 .35235 1.3236 154.7 22.0 52d 87 2025 10 17 23 23 51 50.821 +03 09 21.88 .35237 1.3235 154.7 22.0 52d 87 2025 10 18 00 23 51 53.186 +03 09 13.22 .35240 1.3235 154.6 22.0 52d 87 2025 10 18 01 23 51 55.556 +03 09 04.59 .35243 1.3234 154.6 22.0 52d 87 2025 10 18 02 23 51 57.930 +03 08 55.97 .35245 1.3234 154.6 22.0 52d 87 2025 10 18 03 23 52 00.308 +03 08 47.38 .35248 1.3233 154.5 22.0 52d 87 2025 10 18 04 23 52 02.691 +03 08 38.81 .35251 1.3233 154.5 22.0 52d 87 2025 10 18 05 23 52 05.079 +03 08 30.26 .35254 1.3232 154.5 22.0 52d 87 2025 10 18 06 23 52 07.470 +03 08 21.73 .35256 1.3232 154.4 22.0 52d 87 2025 10 18 07 23 52 09.867 +03 08 13.22 .35259 1.3231 154.4 22.0 52d 87 2025 10 18 08 23 52 12.267 +03 08 04.73 .35262 1.3231 154.4 22.0 52d 87 2025 10 18 09 23 52 14.672 +03 07 56.26 .35265 1.3231 154.3 22.0 52d 87 2025 10 18 10 23 52 17.081 +03 07 47.82 .35268 1.3230 154.3 22.0 53d 87 2025 10 18 11 23 52 19.495 +03 07 39.40 .35270 1.3230 154.3 22.0 53d 87 2025 10 18 12 23 52 21.913 +03 07 30.99 .35273 1.3229 154.2 22.0 53d 87 2025 10 18 13 23 52 24.336 +03 07 22.61 .35276 1.3229 154.2 22.0 53d 87 2025 10 18 14 23 52 26.763 +03 07 14.26 .35279 1.3228 154.2 22.0 53d 87 2025 10 18 15 23 52 29.194 +03 07 05.92 .35282 1.3228 154.1 22.0 53d 87 2025 10 18 16 23 52 31.630 +03 06 57.60 .35285 1.3227 154.1 22.0 53d 87 2025 10 18 17 23 52 34.071 +03 06 49.31 .35288 1.3227 154.1 22.0 53d 87 2025 10 18 18 23 52 36.515 +03 06 41.04 .35291 1.3226 154.1 22.0 53d 87 2025 10 18 19 23 52 38.964 +03 06 32.79 .35294 1.3226 154.0 22.0 53d 87 2025 10 18 20 23 52 41.418 +03 06 24.56 .35297 1.3225 154.0 22.0 53d 87 2025 10 18 21 23 52 43.876 +03 06 16.35 .35300 1.3225 154.0 22.0 53d 87 2025 10 18 22 23 52 46.338 +03 06 08.17 .35303 1.3224 153.9 22.0 53d 87 2025 10 18 23 23 52 48.805 +03 06 00.01 .35307 1.3224 153.9 22.0 53d 87 2025 10 19 00 23 52 51.277 +03 05 51.87 .35310 1.3223 153.9 22.0 53d 87 2025 10 19 01 23 52 53.752 +03 05 43.75 .35313 1.3223 153.8 22.0 53d 87 2025 10 19 02 23 52 56.232 +03 05 35.66 .35316 1.3222 153.8 22.0 53d 87 2025 10 19 03 23 52 58.717 +03 05 27.58 .35319 1.3222 153.8 22.0 53d 87 2025 10 19 04 23 53 01.206 +03 05 19.53 .35322 1.3222 153.7 22.1 53d 87 2025 10 19 05 23 53 03.700 +03 05 11.51 .35326 1.3221 153.7 22.1 53d 87 2025 10 19 06 23 53 06.197 +03 05 03.50 .35329 1.3221 153.7 22.1 53d 87 2025 10 19 07 23 53 08.700 +03 04 55.52 .35332 1.3220 153.6 22.1 53d 87 2025 10 19 08 23 53 11.207 +03 04 47.56 .35336 1.3220 153.6 22.1 53d 87