Chang

02051, 1928 TC, 1928TC, 1935 DD, 1935DD, 1959 EF, 1959EF, 1966 QN, 1966QN, 1971 TA3, 1971TA3, 1971 YH, 1971YH, 1973 AG2, 1973AG2, 1974 HT1, 1974HT1, 1975 NO, 1975NO, 1976 UC, 1976UC, J28T00C, J35D00D, J59E00F, J66Q00N, J71T03A, J71Y00H, J73A02G, J74H01T, J75N00O, J76U00C

All data for this body: [vot]

MPC data

Name (number)	Chang (2051)
a	2.83998
e	0.07697
i / sin(i)	1.3567 / 0.02368
q	2.62139
Q	3.05857
ω	175.8983
Node	215.0560
m	284.5999
n	0.2059
Epoch	2460200.5

n_obs	4705
n_opp	37
Years observed	1928-2023
rms	0.49

Best values

[raw, vot]

	Value	Standard error
Parent	Koronis (158)

a_p	2.841
e_p	0.045
sin(i_p)	0.037

	Value	Standard error
G	0.150
H	11.740
Mass
D	16.18	1.024
pV	0.164	0.0627

Family data

[raw, vot]

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
158	Koronis	605	Koronis	-0.8000	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

[raw, vot]

a_p	e_p	sin(i_p)	Author	Reference	Method
2.8412	0.0450	0.0373	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
14.36	2.980	2.980	Masiero	2012ApJ...759L...8M	NEATM
16.35	1.150	1.150	Usui	2011PASJ...63.1117U	NEATM
17.12	3.430	3.430	Ali-Lagoa	2018A&A...612A..85A	NEATM

Albedo data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.160	0.0640	0.0640	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.248	0.3130	0.3130	Masiero	2012ApJ...759L...8M	NEATM

G data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
11.74			MPC-2023-12-04	MPC-2023-12-04	Phot