2001 SS281

2001SS281, 1998 EW18, 1998EW18, 57513, J98E18W, K01SS1S

All data for this body: [vot]

MPC data
Name (number) 2001 SS281 (57513)
a 3.05995
e 0.11295
i / sin(i) 8.7759 / 0.15257
q 2.71432
Q 3.40558
ω 50.7434
Node 324.0073
m 156.5523
n 0.1841
Epoch 2460800.5
nobs 1955
nopp 22
Years observed 1993-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.064
ep 0.074
sin(ip) 0.168
G 0.150
H 14.070
Mass
D 6.56 0.229
pV 0.136 0.0335
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos 0.5000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0639 0.0737 0.1680 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.56 0.234 0.234 Masiero 2011ApJ...741...68M NEATM
6.69 1.130 1.130 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.119 0.0510 0.0510 Masiero 2012ApJ...759L...8M NEATM
0.149 0.0444 0.0444 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
14.07 MPC-2023-12-04 MPC-2023-12-04 Phot