52768 (1998 OR2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5757189890 ± 5.34e-10
Semi-major axis (a)2.3793400346 AU ± 6.79e-10
Inclination (i)5.87938456° ± 3.15e-07
Long. of Asc. Node (Ω)26.93086310° ± 7.35e-07
Arg. of Perihelion (ω)174.57236061° ± 1.01e-06
Mean Anomaly (M)188.66062109° ± 2.78e-07
Mean Motion (n)0.2685514540°/day ± 1.15e-10
Perihelion dist (q)1.00950880 AU ± 1.30e-09
Aphelion dist (Q)3.74917127 AU ± 1.66e-09
Orbital Period3.67015806 yr ± 1.57e-09
Physical Parameters
H (abs. magnitude)16.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.161″
Uncertainty0
Orbit TypeApollo
MOID0.006993 AU
Observations Used5779
Radar Obs Used8
Gaia Obs Used66
Oppositions21
Arc Total1987-2025
First Observation Used1987-06-30
Last Observation Used2025-11-11
Observations (6539)
Date Type RA Dec Mag Band Observatory
2020-01-22 23:14:22 s 1 +142152.94 9 +187522.19 8110.0 C57
2020-01-22 23:44:22 S 08 53 03.720 +36 31 32.74 V C57
2020-01-22 23:44:22 s 1 +141763.47 7 +189859.75 9900.0 C57
2020-01-23 00:14:22 S 08 53 02.981 +36 31 55.49 V C57
2020-01-23 00:14:22 s 1 +141360.48 5 +192179.35 4410.0 C57
2020-01-23 01:44:22 S 08 53 00.528 +36 33 04.75 V C57
2020-01-23 01:44:22 s 1 +140073.41 7 +199031.74 9500.0 C57
2020-01-23 02:14:22 S 08 52 59.772 +36 33 27.65 V C57
2020-01-23 02:14:22 s 1 +139619.32 4 +201280.88 60.0 C57
2020-01-23 02:41:30 C 08 51 59.24 +36 33 20.5 V 160
2020-01-23 02:44:22 S 08 52 58.961 +36 33 50.98 V C57
2020-01-23 02:44:22 s 1 +139153.15 8 +203512.76 5860.0 C57
2020-01-23 02:44:29 C 08 51 59.12 +36 33 22.3 V 160
2020-01-23 02:47:26 C 08 51 59.00 +36 33 24.2 V 160
2020-01-23 03:14:22 S 08 52 58.102 +36 34 14.02 V C57
2020-01-23 03:14:22 s 1 +138675.18 1 +205727.51 7370.0 C57
2020-01-23 03:44:22 S 08 52 57.271 +36 34 36.95 V C57
2020-01-23 03:44:22 s 1 +138185.65 1 +207925.28 5040.0 C57
2020-01-23 04:14:22 S 08 52 56.501 +36 34 59.41 V C57
2020-01-23 04:14:22 s 1 +137684.81 7 +210106.19 9300.0 C57
2020-01-23 04:44:22 S 08 52 55.618 +36 35 23.06 V C57
2020-01-23 04:44:22 s 1 +137172.92 3 +212270.38 590.0 C57
2020-01-23 05:14:22 S 08 52 54.732 +36 35 46.03 V C57
2020-01-23 05:14:22 s 1 +136650.20 4 +214417.97 9330.0 C57
2020-01-23 05:44:22 S 08 52 53.880 +36 36 09.25 V C57
2020-01-23 05:44:22 s 1 +136116.89 0 +216549.10 5920.0 C57
2020-01-23 06:14:22 S 08 52 53.086 +36 36 31.90 V C57
2020-01-23 06:14:22 s 1 +135573.20 4 +218663.90 750.0 C57
2020-01-23 06:44:22 S 08 52 52.217 +36 36 55.12 V C57
2020-01-23 06:44:22 s 1 +135019.36 3 +220762.48 4230.0 C57
2020-01-23 07:14:22 S 08 52 51.307 +36 37 18.41 V C57
2020-01-23 07:14:22 s 1 +134455.58 0 +222844.97 6720.0 C57
2020-01-23 07:44:22 S 08 52 50.405 +36 37 41.38 V C57
2020-01-23 07:44:22 s 1 +133882.06 0 +224911.50 8590.0 C57
2020-01-23 08:14:22 S 08 52 49.555 +36 38 04.02 V C57
2020-01-23 08:14:22 s 1 +133299.00 5 +226962.19 200.0 C57
2020-01-23 08:44:22 S 08 52 48.703 +36 38 27.06 V C57
2020-01-23 08:44:22 s 1 +132706.60 8 +228997.15 1910.0 C57
2020-01-23 09:14:22 S 08 52 47.779 +36 38 50.32 V C57
2020-01-23 09:14:22 s 1 +132105.06 1 +231016.50 4050.0 C57
2020-01-23 09:44:22 S 08 52 46.862 +36 39 13.75 V C57
2020-01-23 09:44:22 s 1 +131494.55 0 +233020.36 6960.0 C57
2020-01-23 10:14:22 S 08 52 45.953 +36 39 36.65 V C57
2020-01-23 10:14:22 s 1 +130875.25 5 +235008.84 970.0 C57
2020-01-23 10:44:22 S 08 52 45.082 +36 39 59.54 V C57
2020-01-23 10:44:22 s 1 +130247.35 2 +236982.05 6390.0 C57
2020-01-23 11:14:22 S 08 52 44.215 +36 40 21.97 V C57
2020-01-23 11:14:22 s 1 +129611.01 4 +238940.11 3540.0 C57
2020-01-23 11:44:22 S 08 52 43.265 +36 40 45.16 V C57
2020-01-23 11:44:22 s 1 +128966.40 8 +240883.12 2710.0 C57
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-04-16 23:39:00 74169888.28 0.55 us 2380 -1 -1
2020-04-17 00:39:00 74006133.3 0.55 us 2380 -1 -1
2020-04-17 23:49:00 70213370.86 0.54 us 2380 -1 -1
2020-04-18 23:37:00 66419421.12 0.54 us 2380 -1 -1
2020-04-19 23:42:00 62708392.59 0.54 us 2380 -1 -1
2020-04-22 00:23:00 55726484.71 0.53 us 2380 -1 -1
2020-04-23 00:30:00 52603664 0.53 us 2380 -1 -1
2020-04-23 23:47:00 49859572.3 0.53 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)