Shunkai

09254, 1987 SO12, 1987SO12, 2151 T-1, 2151T-1, J87S12O, T1S2151

All data for this body: [vot]

MPC data
Name (number) Shunkai (9254)
a 2.36319
e 0.18649
i / sin(i) 6.0659 / 0.10567
q 1.92248
Q 2.80390
ω 233.2595
Node 156.6714
m 100.6087
n 0.2713
Epoch 2460800.5
nobs 3881
nopp 25
Years observed 1955-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.364
ep 0.160
sin(ip) 0.102
G 0.150
H 14.110
Mass
D 3.98 0.032
pV 0.314 0.0344
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 31.960
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3638 0.1599 0.1020 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.47 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
4.02 0.033 0.033 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.280 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM
0.331 0.0419 0.0419 Masiero 2011ApJ...741...68M 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
14.11 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
V Bus VIS Roig 2006Icar..183..411R PHOT
V Bus VIS Solontoi 2012Icar..220..577S SPEC
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V 0.764 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
V R 0.880000 0.110000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
V V 0.9994 1.0000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 1.0000 1.0000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT