Ohkuma

07898, 1972 YB, 1972YB, 1995 XR1, 1995XR1, J72Y00B, J95X01R

All data for this body: [vot]

MPC data
Name (number) Ohkuma (7898)
a 2.20697
e 0.21837
i / sin(i) 7.0575 / 0.12287
q 1.72504
Q 2.68890
ω 250.9718
Node 92.2665
m 79.6223
n 0.3006
Epoch 2460800.5
nobs 5615
nopp 23
Years observed 1972-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.206
ep 0.147
sin(ip) 0.111
G 0.150
H 13.940
Mass
D 3.91 0.143
pV 0.362 0.0573
Value
Rotational Period 131.320
Period quality 2
Spectral Class S
Spectral Class Score 16.778
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 0 Flora Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2062 0.1469 0.1109 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.77 0.153 0.153 Masiero 2011ApJ...741...68M NEATM
4.94 0.406 0.406 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.262 0.0830 0.0830 Masiero 2011ApJ...741...68M NEATM
0.453 0.0791 0.0791 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
13.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
131.322 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
132.358 2 Sidereal Durech 2019A&A...631A...2D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.970000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 0.988 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC