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
2023-03-31 03:26:13 C 04 45 40.770 +22 14 50.68 V 703
2023-03-31 03:33:45 C 04 45 45.220 +22 15 10.33 V 703
2023-03-31 03:41:17 C 04 45 49.716 +22 15 29.99 V 703
2023-04-04 19:07:54 B 06 01 43.925 +26 38 08.31 X B72
2023-04-04 19:11:24 B 06 01 46.573 +26 38 14.21 X B72
2023-04-05 19:22:35 C 06 20 12.67 +27 18 08.3 X C95
2023-04-05 19:28:51 C 06 20 17.45 +27 18 17.9 X C95
2023-04-05 19:34:45 C 06 20 21.99 +27 18 24.8 X C95
2023-04-07 06:26:14 C 06 47 29.539 +28 00 07.09 V T05
2023-04-07 06:30:48 C 06 47 33.072 +28 00 11.09 V T05
2023-04-07 06:34:04 C 06 47 35.563 +28 00 14.04 V T05
2023-04-07 06:38:38 C 06 47 39.048 +28 00 18.07 V T05
2023-04-07 06:41:53 C 06 47 41.611 +28 00 20.30 V T05
2023-04-07 06:53:04 C 06 47 50.218 +28 00 29.84 V T05
2023-04-08 03:30:53 C 07 03 58.118 +28 15 13.61 V 703
2023-04-08 03:39:15 C 07 04 04.552 +28 15 17.60 V 703
2023-04-08 03:47:37 C 07 04 10.974 +28 15 21.96 V 703
2023-04-08 03:55:58 C 07 04 17.389 +28 15 25.78 V 703
2023-04-10 00:37:43 C 07 38 35.419 +28 23 39.59 V W68
2023-04-10 00:42:30 C 07 38 38.918 +28 23 38.62 V W68
2023-04-10 00:52:30 C 07 38 46.301 +28 23 36.53 V W68
2023-04-10 01:07:46 C 07 38 57.566 +28 23 32.96 V W68
2023-04-10 20:24:17 C 07 53 12.67 +28 16 09.0 X L63
2023-04-10 20:36:14 C 07 53 21.26 +28 16 02.7 X L63
2023-04-10 20:45:56 C 07 53 28.26 +28 15 57.3 X L63
2023-04-11 07:23:28 C 08 01 08.198 +28 10 21.22 V T05
2023-04-11 07:28:02 C 08 01 11.429 +28 10 18.26 V T05
2023-04-11 07:36:00 C 08 01 17.033 +28 10 12.68 V T05
2023-04-11 07:51:10 C 08 01 27.696 +28 10 02.78 V T05
2023-04-12 02:08:28 C 08 14 18.49 +27 56 14.1 V W46
2023-04-12 02:16:29 C 08 14 23.96 +27 56 06.3 V W46
2023-04-12 02:25:07 C 08 14 29.80 +27 55 59.5 V W46
2023-04-12 04:03:28 C 08 15 37.609 +27 54 36.86 V G96
2023-04-12 04:07:31 C 08 15 40.345 +27 54 33.30 V 703
2023-04-12 04:11:35 C 08 15 43.078 +27 54 29.52 V G96
2023-04-12 04:15:09 C 08 15 45.482 +27 54 26.35 V 703
2023-04-12 04:19:42 C 08 15 48.582 +27 54 22.07 V G96
2023-04-12 04:22:46 C 08 15 50.648 +27 54 19.19 V 703
2023-04-12 04:27:49 C 08 15 54.065 +27 54 14.62 V G96
2023-04-12 04:30:23 C 08 15 55.796 +27 54 12.31 V 703
2023-04-12 22:05:13 C 08 27 44.56 +27 36 43.5 M32
2023-04-12 22:09:03 C 08 27 47.06 +27 36 39.5 M32
2023-04-12 22:12:53 C 08 27 49.53 +27 36 36.1 M32
2023-04-12 22:16:43 C 08 27 52.01 +27 36 32.6 M32
2023-04-12 22:20:33 C 08 27 54.49 +27 36 28.9 M32
2023-04-13 08:11:20 C 08 34 19.207 +27 25 52.14 V T05
2023-04-13 08:15:55 C 08 34 22.130 +27 25 46.74 V T05
2023-04-13 08:23:45 C 08 34 27.091 +27 25 36.91 V T05
2023-04-13 08:39:16 C 08 34 36.914 +27 25 18.26 V T05
2023-04-13 21:22:26 C 08 42 39.79 +27 09 29.5 M32
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)