2008 SP285

2008SP285, a9189, K08SS5P

All data for this body: [vot]

MPC data
Name (number) 2008 SP285 (369189)
a 3.18371
e 0.13353
i / sin(i) 4.0618 / 0.07083
q 2.75860
Q 3.60882
ω 189.0356
Node 273.1155
m 262.3919
n 0.1735
Epoch 2460800.5
nobs 337
nopp 16
Years observed 2002-2025
rms 0.91
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.192
ep 0.127
sin(ip) 0.090
G 0.150
H 15.860
Mass
D 3.02 0.739
pV 0.092 0.0712
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.130
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1917 0.1269 0.0903 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.02 0.739 0.739 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.092 0.0712 0.0712 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
15.86 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
X X 0.1883 0.1883 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT