1998YL2

1977DW7, 1977EJ2, 31388, J77D07W, J77E02J, J98Y02L

All data for this body: [vot]

MPC data
Name (number) 1998YL2 (31388)
Packed designation 31388
a 2.38219
e 0.12716
i / sin(i) 2.2034 / 0.03845
q 2.07928
Q 2.68510
ω 92.9862
Node 93.9325
m 48.1335
n 0.2681
Epoch 2459600.5
nobs 1012
nopp 19
Years observed 1977-2021
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.383
ep 0.165
sin(ip) 0.023
Value Standard error
G 0.150
H 15.850
Mass
D 1.93 0.330
pV 0.272 0.0726
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 404 Massalia -0.8000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3826 0.1646 0.0234 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.93 0.330 0.330 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.272 0.0726 0.0726 Masiero 2011ApJ...741...68M NEATM
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
15.85 MPC-2022-01-18 MPC-2022-01-18 Phot