2021 PC17

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.6122305305 ± 1.13e-04
Semi-major axis (a)	1.8666342637 AU ± 4.47e-04
Inclination (i)	9.66849956° ± 2.47e-03
Long. of Asc. Node (Ω)	122.54112361° ± 1.39e-03
Arg. of Perihelion (ω)	303.76307442° ± 1.22e-03
Mean Anomaly (M)	210.54905270° ± 2.02e-01
Mean Motion (n)	0.3864767978°/day ± 1.39e-04
Perihelion dist (q)	0.72382378 AU ± 2.73e-04
Aphelion dist (Q)	3.00944475 AU ± 7.52e-04
Orbital Period	2.55028578 yr ± 9.17e-04

Physical Parameters

H (abs. magnitude)	22.68
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-02
RMS Residual	0.131″
Uncertainty	3
Orbit Type	Apollo
MOID	0.043922 AU
Observations Used	17
Oppositions	1
Arc Total	2021-2021
First Observation Used	2021-08-09
Last Observation Used	2021-09-16

Observations (17)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-08-09 11:10:54	C	22 20 55.362	-21 30 18.00	–	U	F51
2021-08-09 11:27:10	C	22 20 54.978	-21 30 42.16	–	U	F51
2021-08-09 11:43:29	C	22 20 54.542	-21 31 06.47	–	U	F51
2021-08-10 10:43:34	C	22 20 27.153	-22 06 02.87	–	U	F51
2021-08-10 11:08:01	C	22 20 26.473	-22 06 41.16	–	U	F51
2021-08-10 11:32:40	C	22 20 25.775	-22 07 19.35	–	U	F51
2021-08-15 11:41:15	C	22 17 03.589	-25 38 27.48	–	V	F51
2021-08-16 10:25:38	C	22 16 13.986	-26 24 20.92	–	U	F51
2021-08-16 10:35:37	C	22 16 13.552	-26 24 41.08	–	U	F51
2021-08-16 10:45:21	C	22 16 13.104	-26 25 00.98	–	U	F51
2021-08-16 10:55:11	C	22 16 12.637	-26 25 21.59	–	U	F51
2021-08-16 11:05:58	C	22 16 12.146	-26 25 43.59	–	U	F51
2021-08-16 11:33:55	C	22 16 10.839	-26 26 41.27	–	U	F51
2021-08-16 11:47:57	C	22 16 10.187	-26 27 10.31	–	U	F51
2021-09-16 01:31:50	C	18 46 10.63	-73 47 04.7	–	V	807
2021-09-16 01:49:43	C	18 45 44.05	-73 48 04.3	–	V	807
2021-09-16 01:55:41	C	18 45 35.18	-73 48 24.1	–	V	807