1987 YH

1987YH, 07402, 1956 ET, 1956ET, 1970 EQ2, 1970EQ2, 1982 VN9, 1982VN9, J56E00T, J70E02Q, J82V09N, J87Y00H

All data for this body: [vot]

MPC data

Name (number)	1987 YH (7402)
a	2.77836
e	0.20428
i / sin(i)	8.2340 / 0.14322
q	2.21079
Q	3.34593
ω	292.6976
Node	150.8872
m	265.9721
n	0.2128
Epoch	2460200.5

n_obs	3151
n_opp	27
Years observed	1956-2023
rms	0.61

Best values

	Value	Standard error
Parent	Dora (668)

a_p	2.780
e_p	0.196
sin(i_p)	0.138

	Value	Standard error
G	0.150
H	13.280
Mass
D	13.30	0.226
pV	0.041	0.0053
Rotational Period

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
668	Dora	512	Dora		Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.7800	0.1959	0.1375	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
12.18	4.220	4.220	Masiero	2021PSJ.....2..162M	NEATM
13.11	0.960	0.960	Nugent	2016AJ....152...63N	NEATM
13.16	0.240	0.240	Masiero	2012ApJ...759L...8M	NEATM
13.20	3.852	3.852	Masiero	2017AJ....154..168M	NEATM
13.50	3.450	3.450	Masiero	2021PSJ.....2..162M	NEATM
14.33	2.870	2.870	Ali-Lagoa	2018A&A...612A..85A	NEATM
15.99	1.120	1.120	Usui	2011PASJ...63.1117U	NEATM
18.82	3.760	3.760	Ali-Lagoa	2018A&A...612A..85A	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.030	0.0120	0.0120	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.037	0.0090	0.0090	Masiero	2012ApJ...759L...8M	NEATM
0.037	0.0130	0.0210	Masiero	2021PSJ.....2..162M	NEATM
0.050	0.0100	0.0100	Nugent	2016AJ....152...63N	NEATM
0.052	0.0210	0.0210	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.061	0.0434	0.0434	Masiero	2017AJ....154..168M	NEATM
0.069	0.0370	0.0800	Masiero	2021PSJ.....2..162M	NEATM

G data

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

H data

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