Stephbillings

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

All data for this body: [vot]

MPC data
Name (number) Stephbillings (28068)
a 2.32457
e 0.16961
i / sin(i) 4.9176 / 0.08572
q 1.93030
Q 2.71883
ω 334.1678
Node 347.4531
m 30.8862
n 0.2781
Epoch 2460200.5
nobs 1535
nopp 20
Years observed 1991-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.324
ep 0.132
sin(ip) 0.087
Value Standard error
G 0.150
H 15.470
Mass
D 2.33 0.492
pV 0.296 0.1866
Rotational Period
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-Oct-2022
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
15.47 MPC-2023-12-04 MPC-2023-12-04 Phot