85839 (1998 YO4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2481006912 ± 1.24e-08
Semi-major axis (a)1.6534926704 AU ± 9.96e-10
Inclination (i)9.31939239° ± 8.81e-07
Long. of Asc. Node (Ω)28.50072273° ± 2.80e-06
Arg. of Perihelion (ω)199.69071851° ± 2.99e-06
Mean Anomaly (M)97.04138343° ± 2.26e-06
Mean Motion (n)0.4635631070°/day ± 4.19e-10
Perihelion dist (q)1.24326000 AU ± 2.05e-08
Aphelion dist (Q)2.06372534 AU ± 2.05e-08
Orbital Period2.12619656 yr ± 1.92e-09
Physical Parameters
H (abs. magnitude)16.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.072″
Uncertainty0
Orbit TypeAmor
MOID0.239954 AU
Observations Used2510
Gaia Obs Used50
Oppositions12
Arc Total1993-2025
First Observation Used1993-04-25
Last Observation Used2025-11-08
Observations (3041)
Date Type RA Dec Mag Band Observatory
2021-10-01 21:23:57 s 1 +171964.45 0 +200946.17 9500.0 C57
2021-10-01 22:03:57 S 00 29 24.187 -04 41 25.19 V C57
2021-10-01 22:03:57 s 1 +171386.24 6 +203556.81 5810.0 C57
2021-10-01 22:13:57 S 00 29 23.424 -04 41 28.50 V C57
2021-10-01 22:13:57 s 1 +171238.63 1 +204205.81 4970.0 C57
2021-10-01 22:23:57 S 00 29 23.016 -04 41 28.03 V C57
2021-10-01 22:23:57 s 1 +171089.80 4 +204853.34 220.0 C57
2021-10-01 23:13:57 S 00 29 19.637 -04 41 34.22 V C57
2021-10-01 23:13:57 s 1 +170327.68 4 +208069.12 8300.0 C57
2021-10-01 23:43:57 S 00 29 17.309 -04 41 32.57 V C57
2021-10-01 23:43:57 s 1 +169856.24 7 +209981.13 3340.0 C57
2021-10-01 23:53:57 S 00 29 16.517 -04 41 35.92 V C57
2021-10-01 23:53:57 s 1 +169696.77 5 +210615.57 4180.0 C57
2021-10-02 00:23:57 S 00 29 14.150 -04 41 34.12 V C57
2021-10-02 00:23:57 s 1 +169211.46 7 +212510.20 4400.0 C57
2021-10-02 01:33:57 S 00 29 08.849 -04 41 41.14 V C57
2021-10-02 01:33:57 s 1 +168039.59 9 +216880.58 660.0 C57
2021-10-02 02:23:57 S 00 29 05.405 -04 41 48.95 V C57
2021-10-02 02:23:57 s 1 +167169.54 2 +219959.27 9960.0 C57
2021-10-02 03:53:57 S 00 28 59.004 -04 41 55.68 V C57
2021-10-02 03:53:57 s 1 +165536.49 3 +225411.27 8550.0 C57
2021-10-02 04:13:57 S 00 28 57.667 -04 41 54.06 V C57
2021-10-02 04:13:57 s 1 +165162.20 7 +226607.26 1490.0 C57
2021-10-02 04:23:57 S 00 28 56.834 -04 42 03.24 V C57
2021-10-02 04:23:57 s 1 +164973.54 2 +227203.14 8050.0 C57
2021-10-02 04:43:57 S 00 28 55.399 -04 42 02.63 V C57
2021-10-02 04:43:57 s 1 +164593.19 2 +228390.68 1430.0 C57
2021-10-02 04:53:57 S 00 28 54.497 -04 42 02.70 V C57
2021-10-02 04:53:57 s 1 +164401.51 7 +228982.35 8280.0 C57
2021-10-02 05:23:57 S 00 28 52.745 -04 42 08.03 V C57
2021-10-02 05:23:57 s 1 +163820.54 9 +230748.93 9660.0 C57
2021-10-02 06:03:57 S 00 28 49.848 -04 42 13.57 V C57
2021-10-02 06:03:57 s 1 +163032.23 9 +233084.81 7380.0 C57
2021-10-02 06:43:57 S 00 28 47.186 -04 42 10.04 V C57
2021-10-02 06:43:57 s 1 +162228.56 0 +235398.41 5550.0 C57
2021-10-02 06:53:57 S 00 28 46.056 -04 42 17.39 V C57
2021-10-02 06:53:57 s 1 +162025.27 4 +235973.34 4960.0 C57
2021-10-02 07:03:57 S 00 28 45.778 -04 42 10.48 V C57
2021-10-02 07:03:57 s 1 +161821.05 0 +236546.89 1350.0 C57
2021-10-02 09:33:57 S 00 28 34.750 -04 42 32.22 V C57
2021-10-02 09:33:57 s 1 +158648.18 8 +244984.88 4510.0 C57
2021-10-02 10:03:57 S 00 28 32.465 -04 42 36.36 V C57
2021-10-02 10:03:57 s 1 +157989.70 9 +246635.55 6160.0 C57
2021-10-02 10:13:57 S 00 28 31.848 -04 42 31.46 V C57
2021-10-02 10:13:57 s 1 +157768.49 8 +247183.06 7850.0 C57
2021-10-02 10:33:57 S 00 28 30.156 -04 42 37.66 V C57
2021-10-02 10:33:57 s 1 +157323.52 3 +248274.00 3020.0 C57
2021-10-02 10:53:57 S 00 28 29.122 -04 42 38.02 V C57
2021-10-02 10:53:57 s 1 +156875.17 1 +249359.53 7320.0 C57
2021-10-02 11:03:57 S 00 28 28.454 -04 42 37.30 V C57