1999 VY2

1999VY2, 1998 ME31, 1998ME31, 43018, J98M31E, J99V02Y

All data for this body: [vot]

MPC data
Name (number) 1999 VY2 (43018)
a 2.81194
e 0.16979
i / sin(i) 7.8502 / 0.13659
q 2.33450
Q 3.28938
ω 121.5932
Node 271.7031
m 38.4927
n 0.2090
Epoch 2460200.5
nobs 2011
nopp 21
Years observed 1991-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.813
ep 0.134
sin(ip) 0.158
Value Standard error
G 0.150
H 13.980
Mass
D 4.60 0.361
pV 0.364 0.1432
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion 0.6900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8127 0.1337 0.1583 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.60 0.361 0.361 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.364 0.1432 0.1432 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
13.98 MPC-2023-12-04 MPC-2023-12-04 Phot