Stephbillings

1998 QO21, 1998QO21, 2000 BT17, 2000BT17, 28068, J98Q21O, K00B17T

All data for this body: [vot]

MPC data
Name (number) Stephbillings (28068)
a 2.32342
e 0.17070
i / sin(i) 4.9169 / 0.08571
q 1.92682
Q 2.72002
ω 334.0805
Node 347.3635
m 197.8985
n 0.2783
Epoch 2460800.5
nobs 1733
nopp 21
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.324
ep 0.132
sin(ip) 0.087
G 0.150
H 15.450
Mass
D 2.33 0.492
pV 0.296 0.1866
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
8 Flora 402 Flora 0.6300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3242 0.1317 0.0871 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.33 0.492 0.492 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.296 0.1866 0.1866 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
15.45 MPC-2023-12-04 MPC-2023-12-04 Phot