2017 AL4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3111186990 ± 4.38e-08
Semi-major axis (a)1.4522810038 AU ± 3.45e-09
Inclination (i)13.21638924° ± 1.17e-05
Long. of Asc. Node (Ω)270.75423441° ± 1.50e-05
Arg. of Perihelion (ω)127.97160856° ± 3.70e-05
Mean Anomaly (M)66.96523580° ± 1.84e-05
Mean Motion (n)0.5631658234°/day ± 2.01e-09
Perihelion dist (q)1.00044923 AU ± 6.37e-08
Aphelion dist (Q)1.90411278 AU ± 6.38e-08
Orbital Period1.75015287 yr ± 6.24e-09
Physical Parameters
H (abs. magnitude)23.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.214″
Uncertainty0
Orbit TypeApollo
MOID0.088130 AU
Observations Used45
Oppositions3
Arc Total2017-2023
First Observation Used2017-01-03
Last Observation Used2023-12-24
Observations (46)
Date Type RA Dec Mag Band Observatory
2017-01-03 12:27:57 C 09 04 44.881 -04 40 11.93 L F51
2017-01-03 12:43:24 C 09 04 43.078 -04 40 32.10 L F51
2017-01-03 12:58:47 C 09 04 41.300 -04 40 52.45 L F51
2017-01-03 13:14:12 C 09 04 39.530 -04 41 12.98 L F51
2017-01-04 13:11:23 C 09 02 06.021 -05 12 03.40 U 568
2017-01-04 13:13:12 C 09 02 05.810 -05 12 05.68 U 568
2017-01-04 13:15:02 C 09 02 05.599 -05 12 07.97 U 568
2017-01-06 04:45:56 C 08 57 52.45 -05 59 31.7 u 807
2017-01-06 04:55:56 C 08 57 51.26 -05 59 43.8 u 807
2017-01-06 05:05:55 C 08 57 50.14 -05 59 55.2 u 807
2017-01-08 06:54:23 C 08 52 28.22 -06 55 22.7 u H21
2017-01-08 07:11:23 C 08 52 26.28 -06 55 40.8 u H21
2017-01-08 07:20:09 C 08 52 25.26 -06 55 50.1 u H21
2017-01-08 07:30:56 C 08 52 24.04 -06 56 00.9 u H21
2017-02-02 08:55:32 C 07 59 07.553 -10 47 16.43 U T12
2017-02-02 09:08:12 C 07 59 06.745 -10 47 14.81 U T12
2017-02-06 06:29:52 C 07 54 16.69 -10 30 36.2 t 705
2017-02-06 06:31:20 C 07 54 16.64 -10 30 35.7 t 705
2017-02-06 06:32:48 C 07 54 16.53 -10 30 35.8 t 705
2023-07-26 10:34:30 C 22 17 19.705 +24 11 16.56 V F52
2023-07-26 10:52:01 C 22 17 19.806 +24 11 59.43 V F52
2023-07-26 11:09:50 C 22 17 19.932 +24 12 42.47 V F52
2023-10-31 14:04:25 C 10 31 43.832 +57 47 34.31 V F51
2023-10-31 14:22:57 C 10 31 42.867 +57 46 50.42 V F51
2023-11-24 13:45:27 C 10 10 46.079 +32 43 12.16 V F51
2023-11-24 13:59:22 C 10 10 45.328 +32 42 36.20 V F51
2023-11-24 14:22:36 C 10 10 44.095 +32 41 35.22 V F51
2023-11-24 14:38:21 C 10 10 43.249 +32 40 53.89 V F51
2023-12-15 12:45:27 C 09 40 02.111 +11 14 58.32 X F52
2023-12-15 13:19:16 C 09 39 58.927 +11 13 39.09 X F52
2023-12-16 15:43:43 C 09 37 43.262 +10 12 02.66 V T12
2023-12-16 15:45:38 C 09 37 43.082 +10 11 58.15 V T12
2023-12-16 15:47:37 C 09 37 42.891 +10 11 53.53 V T12
2023-12-16 15:49:41 C 09 37 42.691 +10 11 48.77 V T12
2023-12-17 10:24:31 C 09 36 07.520 +09 28 55.31 V G96
2023-12-17 10:31:53 C 09 36 06.844 +09 28 38.86 V G96
2023-12-17 10:39:15 C 09 36 06.131 +09 28 22.12 V G96
2023-12-17 10:46:39 C 09 36 05.360 +09 28 04.37 V G96
2023-12-17 11:19:28 C 09 36 02.060 +09 26 49.06 V H01
2023-12-17 11:26:48 C 09 36 01.352 +09 26 32.29 V H01
2023-12-17 11:40:05 C 09 36 00.060 +09 26 01.84 V H01
2023-12-17 11:51:31 C 09 35 58.946 +09 25 35.58 V H01
2023-12-24 14:45:17 C 09 19 47.582 +03 19 59.23 X F52
2023-12-24 15:02:08 C 09 19 45.744 +03 19 26.06 X F52
2023-12-24 15:19:01 C 09 19 43.848 +03 18 52.49 X F52
2023-12-24 15:35:53 C 09 19 41.994 +03 18 19.23 X F52