152770 (1999 RR28)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6543120088 ± 9.28e-09
Semi-major axis (a)1.8784194769 AU ± 3.83e-10
Inclination (i)7.14320299° ± 4.53e-06
Long. of Asc. Node (Ω)178.13518430° ± 8.20e-06
Arg. of Perihelion (ω)284.60698754° ± 7.23e-06
Mean Anomaly (M)25.02608632° ± 1.23e-06
Mean Motion (n)0.3828453725°/day ± 1.17e-10
Perihelion dist (q)0.64934706 AU ± 1.74e-08
Aphelion dist (Q)3.10749190 AU ± 1.74e-08
Orbital Period2.57447616 yr ± 7.87e-10
Physical Parameters
H (abs. magnitude)18.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.465″
Uncertainty0
Orbit TypeApollo
MOID0.016634 AU
Observations Used687
Radar Obs Used7
Oppositions11
Arc Total1987-2023
First Observation Used1987-04-20
Last Observation Used2023-06-08
Observations (722)
Date Type RA Dec Mag Band Observatory
2023-04-13 21:26:09 C 08 42 42.08 +27 09 24.1 M32
2023-04-13 21:29:50 C 08 42 44.35 +27 09 18.7 M32
2023-04-14 01:40:24 B 08 45 20.50 +27 04 02.7 V H89
2023-04-14 03:24:08 B 08 46 23.33 +27 01 44.7 V H89
2023-04-14 04:40:01 B 08 47 09.27 +27 00 00.6 V H89
2023-04-15 06:51:24 C 09 02 35.386 +26 23 34.91 V T05
2023-04-15 06:58:56 C 09 02 39.574 +26 23 23.75 V T05
2023-04-15 07:04:16 C 09 02 42.538 +26 23 15.65 V T05
2023-04-15 07:49:06 C 09 03 07.445 +26 22 08.04 V T05
2023-04-16 00:50:25 C 09 12 32.234 +25 56 40.81 V W68
2023-04-16 00:55:02 C 09 12 34.670 +25 56 33.50 V W68
2023-04-16 01:06:23 C 09 12 40.661 +25 56 15.25 V W68
2023-04-16 01:21:03 C 09 12 48.403 +25 55 52.46 V W68
2023-04-16 01:32:15 B 09 12 54.62 +25 54 50.8 V H89
2023-04-16 03:12:29 B 09 13 47.57 +25 52 11.6 V H89
2023-04-16 04:28:11 C 09 14 28.302 +25 50 22.63 V 703
2023-04-16 04:34:36 B 09 14 31.03 +25 49 59.0 V H89
2023-04-16 04:43:33 C 09 14 36.344 +25 49 58.08 V 703
2023-04-16 04:51:13 C 09 14 40.358 +25 49 45.88 V 703
2023-04-17 08:16:56 C 09 28 40.577 +25 05 34.08 V T05
2023-04-17 08:22:11 C 09 28 43.082 +25 05 25.30 V T05
2023-04-17 08:45:16 C 09 28 54.163 +25 04 46.74 V T05
2023-04-18 20:43:03 S 09 45 34.58 +24 04 30.1 L C51
2023-04-18 20:43:14 S 09 45 34.61 +24 04 28.7 L C51
2023-04-18 22:16:45 S 09 46 15.44 +24 01 50.9 L C51
2023-04-18 23:50:16 S 09 46 56.06 +23 59 13.0 L C51
2023-04-19 01:23:47 S 09 47 36.51 +23 56 34.7 L C51
2023-04-19 02:57:18 S 09 48 16.67 +23 53 56.1 L C51
2023-04-19 04:38:14 C 09 48 58.882 +23 51 02.95 V 703
2023-04-19 04:46:36 C 09 49 02.399 +23 50 48.55 V 703
2023-04-19 05:03:21 C 09 49 09.383 +23 50 20.26 V 703
2023-04-19 19:53:23 C 09 55 20.82 +23 25 03.6 V G33
2023-04-19 19:56:45 C 09 55 22.17 +23 24 58.4 V G33
2023-04-19 20:00:08 C 09 55 23.52 +23 24 52.5 V G33
2023-04-20 21:31:28 C 10 05 21.59 +22 41 56.5 V M50
2023-04-20 21:33:08 C 10 05 22.21 +22 41 53.7 V M50
2023-04-21 07:51:17 C 10 09 11.081 +22 24 54.11 V T05
2023-04-21 07:56:36 C 10 09 12.979 +22 24 45.00 V T05
2023-04-21 08:05:45 C 10 09 16.229 +22 24 29.63 V T05
2023-04-21 08:20:11 C 10 09 21.350 +22 24 05.44 V T05
2023-04-22 01:23:22 C 10 15 24.492 +21 56 18.24 V W68
2023-04-22 01:29:15 C 10 15 26.462 +21 56 08.27 V W68
2023-04-22 01:39:18 C 10 15 29.839 +21 55 52.25 V W68
2023-04-22 01:55:08 C 10 15 35.165 +21 55 26.18 V W68
2023-04-22 19:32:14 C 10 21 30.156 +21 26 09.02 V K73
2023-04-22 19:41:24 C 10 21 33.202 +21 25 55.74 V K73
2023-04-22 22:05:07 C 10 22 19.05 +21 21 57.4 X G02
2023-04-22 22:12:00 C 10 22 21.25 +21 21 46.1 X G02
2023-04-22 22:18:30 C 10 22 23.35 +21 21 33.6 X G02
2023-04-23 05:15:21 C 10 24 37.332 +21 10 36.05 V 703
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-03-25 19:10:00 200773.9519 0.5 Hz 2380 -1 -1
2005-03-25 21:05:00 71800794.96 0.5 us 2380 -1 -1
2005-03-26 20:09:00 65526582.83 0.5 us 2380 -1 -1
2005-03-27 20:22:00 60493814.96 0.5 us 2380 -1 -1
2005-03-30 00:20:00 56796660.51 0.5 us 8560 -14 -14
2005-04-01 07:00:00 64281421.8 1 us 8560 -14 -14
2005-04-03 08:00:00 78333960 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)