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 2.77922
e 0.20429
i / sin(i) 8.2340 / 0.14322
q 2.21145
Q 3.34700
ω 292.4552
Node 150.8340
m 33.8496
n 0.2127
Epoch 2460800.5
nobs 4037
nopp 28
Years observed 1956-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.780
ep 0.196
sin(ip) 0.138
G 0.150
H 13.240
Mass
D 13.30 0.226
pV 0.041 0.0053
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 12.474
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 0 Dora Novakovic 2019EPSC...13.1671N HCM
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7800 0.1959 0.1375 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

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
[raw, vot]

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
[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
13.24 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.2033 0.5240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.6854 0.5240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.8570 0.5240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.637 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.89 Bus VIS Carvano 2010A&A...510A..43C PHOT
C B 0.800000 0.200000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Ch Bus VIS Bus 2002Icar..158..146B SPEC