1999 BL18

1999BL18, 2001 QS291, 2001QS291, 42794, J99B18L, K01QT1S

All data for this body: [vot]

MPC data
Name (number) 1999 BL18 (42794)
a 2.45990
e 0.12766
i / sin(i) 10.1823 / 0.17678
q 2.14587
Q 2.77393
ω 208.1581
Node 359.7245
m 54.1273
n 0.2555
Epoch 2460200.5
nobs 2887
nopp 21
Years observed 1955-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.462
ep 0.157
sin(ip) 0.176
Value Standard error
G 0.150
H 13.960
Mass
D 4.54 0.185
pV 0.252 0.0339
Rotational Period 7.962
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4620 0.1569 0.1759 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.44 0.910 0.910 Nugent 2016AJ....152...63N NEATM
4.54 0.189 0.189 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.200 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.259 0.0360 0.0360 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
13.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.96 Durech 2023A&A...675A..24D Model