162116 (1998 SA15)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5585324823 ± 5.66e-08
Semi-major axis (a)1.9157078683 AU ± 5.46e-09
Inclination (i)7.11236065° ± 8.82e-06
Long. of Asc. Node (Ω)114.17344747° ± 1.35e-04
Arg. of Perihelion (ω)331.45136434° ± 1.35e-04
Mean Anomaly (M)56.34144805° ± 1.19e-05
Mean Motion (n)0.3717220740°/day ± 1.59e-09
Perihelion dist (q)0.84572280 AU ± 1.08e-07
Aphelion dist (Q)2.98569294 AU ± 1.09e-07
Orbital Period2.65151400 yr ± 1.13e-08
Physical Parameters
H (abs. magnitude)19.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.421″
Uncertainty0
Orbit TypeApollo
MOID0.047106 AU
Observations Used76
Oppositions16
Arc Total1998-2023
First Observation Used1998-09-21
Last Observation Used2023-04-14
Observations (91)
Date Type RA Dec Mag Band Observatory
2014-09-21 20:25:29 S 05 41 29.43 +02 30 28.1 L C51
2014-09-21 22:00:06 S 05 42 00.02 +02 30 24.3 L C51
2014-09-21 23:34:54 S 05 42 30.63 +02 30 21.2 L C51
2014-09-22 05:53:44 S 05 44 33.382 +02 30 05.58 L C51
2014-09-22 09:03:09 S 05 45 34.865 +02 29 57.70 L C51
2014-11-28 12:33:43 C 12 22 42.65 -03 07 45.0 q G96
2014-11-28 12:40:18 C 12 22 43.60 -03 07 47.0 q G96
2014-11-28 12:46:54 C 12 22 44.56 -03 07 49.9 q G96
2014-11-28 12:53:29 C 12 22 45.50 -03 07 51.5 q G96
2015-01-20 15:23:30 C 14 40 56.389 -07 41 19.41 L F51
2015-01-20 15:31:04 C 14 40 56.918 -07 41 19.64 L F51
2015-01-20 15:38:39 C 14 40 57.427 -07 41 19.99 L F51
2015-01-20 15:46:15 C 14 40 57.935 -07 41 20.01 L F51
2015-03-21 12:39:05 C 15 02 14.856 -02 25 17.93 L F51
2015-03-21 12:57:39 C 15 02 13.930 -02 25 10.18 L F51
2015-03-21 13:15:55 C 15 02 13.022 -02 25 02.70 L F51
2015-03-21 13:34:18 C 15 02 12.085 -02 24 55.27 L F51
2015-03-28 12:42:14 C 14 53 11.977 -01 15 50.67 L F51
2015-03-28 13:00:46 C 14 53 10.831 -01 15 43.12 L F51
2015-03-28 13:20:46 C 14 53 09.581 -01 15 34.94 L F51
2015-03-28 13:39:10 C 14 53 08.431 -01 15 27.40 L F51
2015-04-24 12:37:49 C 14 08 51.536 +02 11 57.39 L F51
2015-04-24 12:58:16 C 14 08 50.147 +02 12 01.06 L F51
2015-04-24 13:18:40 C 14 08 48.768 +02 12 04.79 L F51
2015-04-24 13:39:10 C 14 08 47.377 +02 12 08.40 L F51
2019-07-29 10:13:37 C 20 35 25.058 -21 18 56.85 U F51
2019-07-29 10:28:52 C 20 35 24.079 -21 19 02.07 U F51
2019-07-29 10:44:06 C 20 35 23.064 -21 19 07.75 U F51
2019-07-29 10:59:23 C 20 35 22.093 -21 19 13.14 U F51
2022-10-02 14:37:38 C 08 26 11.234 +09 51 07.60 U F51
2022-10-02 14:44:48 C 08 26 13.005 +09 51 04.80 U F51
2022-10-02 14:51:58 C 08 26 14.771 +09 51 02.23 U F51
2022-10-02 14:59:08 C 08 26 16.587 +09 50 59.54 U F51
2022-11-23 12:28:21 C 12 24 54.371 -01 18 19.62 V V00
2022-11-23 12:35:33 C 12 24 55.393 -01 18 23.94 V V00
2022-11-23 12:42:43 C 12 24 56.416 -01 18 27.79 V V00
2022-11-23 12:49:52 C 12 24 57.434 -01 18 31.57 V V00
2023-04-14 12:04:47 C 14 57 21.710 -02 39 43.43 U F52
2023-04-14 12:19:34 C 14 57 20.700 -02 39 38.78 U F52
2023-04-14 12:34:21 C 14 57 19.708 -02 39 34.09 U F52
2023-04-14 12:49:11 C 14 57 18.685 -02 39 29.47 U F52