IAA RAS IAA Minor Planet Database

40267 (1999 GJ4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8083828681 ± 7.98e-09
Semi-major axis (a)1.3387905047 AU ± 5.08e-10
Inclination (i)34.47744958° ± 9.01e-07
Long. of Asc. Node (Ω)148.20459566° ± 7.92e-07
Arg. of Perihelion (ω)211.95484902° ± 7.44e-07
Mean Anomaly (M)290.99875735° ± 1.90e-06
Mean Motion (n)0.6362727750°/day ± 3.62e-10
Perihelion dist (q)0.25653520 AU ± 1.07e-08
Aphelion dist (Q)2.42104581 AU ± 1.07e-08
Orbital Period1.54906248 yr ± 8.81e-10
Physical Parameters
H (abs. magnitude)15.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.091″
Uncertainty0
Orbit TypeApollo
MOID0.156272 AU
Observations Used3455
Gaia Obs Used131
Oppositions22
Arc Total1955-2025
First Observation Used1955-03-25
Last Observation Used2025-05-15
Observations (3749)
Date Type RA Dec Mag Band Observatory
2020-02-16 12:38:44 C 05 40 09.96 -11 19 47.6 – q O85
2020-02-16 12:39:16 C 05 40 10.14 -11 19 43.4 – q O85
2020-02-16 12:45:12 C 05 40 12.19 -11 18 54.3 – q O85
2020-02-16 12:45:44 C 05 40 12.38 -11 18 50.2 – q O85
2020-02-16 12:46:16 C 05 40 12.56 -11 18 46.1 – q O85
2020-02-16 12:46:48 C 05 40 12.75 -11 18 41.6 – q O85
2020-02-16 12:51:41 C 05 40 14.43 -11 18 01.9 – q O85
2020-02-16 12:52:12 C 05 40 14.63 -11 17 57.4 – q O85
2020-02-16 12:52:44 C 05 40 14.79 -11 17 52.9 – q O85
2020-02-16 12:58:41 C 05 40 16.84 -11 17 04.5 – q O85
2020-02-16 12:59:12 C 05 40 17.02 -11 17 00.3 – q O85
2020-02-16 12:59:44 C 05 40 17.21 -11 16 55.7 – q O85
2020-02-20 02:25:16 C 06 05 28.03 -01 26 34.7 – V U71
2020-02-20 02:30:14 C 06 05 29.22 -01 26 05.9 – V U71
2020-02-20 02:35:18 C 06 05 30.45 -01 25 36.5 – V U71
2020-02-20 20:35:19 C 06 09 45.74 +00 14 04.2 – V K19
2020-02-20 20:38:04 C 06 09 46.23 +00 14 19.0 – V 160
2020-02-20 20:40:54 C 06 09 46.86 +00 14 34.1 – V 160
2020-02-20 20:43:45 C 06 09 47.50 +00 14 49.2 – V 160
2020-02-20 20:47:16 C 06 09 48.40 +00 15 08.0 – V K19
2020-02-20 20:54:51 n 06 09 50.31 +00 15 46.7 – V Z43
2020-02-20 20:59:14 C 06 09 51.08 +00 16 11.7 – V K19
2020-02-20 21:04:02 n 06 09 52.36 +00 16 35.6 – V Z43
2020-02-20 21:13:31 n 06 09 54.49 +00 17 26.1 – V Z43
2020-02-20 21:21:50 n 06 09 56.35 +00 18 10.4 – V Z43
2020-02-20 21:29:51 n 06 09 58.13 +00 18 53.0 – V Z43
2020-02-20 22:49:30 C 06 10 15.90 +00 25 54.2 – V Z80
2020-02-20 22:56:16 C 06 10 17.41 +00 26 29.8 – V Z80
2020-02-20 23:03:41 C 06 10 19.09 +00 27 08.8 – V Z80
2020-02-21 07:09:30 C 06 12 08.43 +01 09 24.1 – V T08
2020-02-21 07:14:11 C 06 12 09.43 +01 09 47.9 – V T08
2020-02-21 07:22:40 C 06 12 11.23 +01 10 31.1 – V T08
2020-02-21 07:39:24 C 06 12 14.79 +01 11 56.4 – V T08
2020-02-21 19:13:23 C 06 14 45.45 +02 09 17.8 – q 006
2020-02-21 19:14:24 C 06 14 45.62 +02 09 22.4 – q 006
2020-02-21 19:15:25 C 06 14 45.87 +02 09 27.5 – q 006
2020-02-21 19:16:26 C 06 14 46.07 +02 09 32.4 – q 006
2020-02-21 19:17:27 C 06 14 46.26 +02 09 37.4 – q 006
2020-02-21 19:18:28 C 06 14 46.47 +02 09 42.4 – q 006
2020-02-21 19:19:29 C 06 14 46.68 +02 09 47.1 – q 006
2020-02-21 19:20:30 C 06 14 46.86 +02 09 51.7 – q 006
2020-02-22 00:22:38 C 06 15 50.48 +02 34 05.2 – q W33
2020-02-22 00:33:45 C 06 15 52.72 +02 34 57.9 – q W33
2020-02-22 00:40:33 C 06 15 54.08 +02 35 30.3 – q W33
2020-02-22 00:48:04 C 06 15 55.60 +02 36 05.9 – q W33
2020-02-22 00:54:43 C 06 15 56.93 +02 36 37.4 – q W33
2020-02-22 19:37:13 C 06 19 42.26 +04 01 55.1 – V 160
2020-02-22 19:40:07 C 06 19 42.80 +04 02 07.9 – V 160
2020-02-22 19:43:04 C 06 19 43.37 +04 02 20.7 – V 160
2020-02-22 19:50:31 C 06 19 44.97 +04 02 54.5 – q 006