1998BL18

2008GM67, J98B18L, K08G67M, P7531

All data for this body: [vot]

MPC data
Name (number) 1998BL18 (257531)
Packed designation P7531
a 2.73843
e 0.04245
i / sin(i) 3.1696 / 0.05529
q 2.62219
Q 2.85466
ω 1.8252
Node 86.1629
m 135.8769
n 0.2175
Epoch 2459600.5
nobs 149
nopp 12
Years observed 1998-2021
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Henan (2085)
 
ap 2.739
ep 0.052
sin(ip) 0.036
Value Standard error
G 0.150
H 17.250
Mass
D
pV
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
2085 Henan 532 Henan 0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7391 0.0519 0.0361 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.25 MPC-2022-01-18 MPC-2022-01-18 Phot