1999 JM56

1999JM56, 2000 VJ17, 2000VJ17, 38138, J99J56M, K00V17J

All data for this body: [vot]

MPC data
Name (number) 1999 JM56 (38138)
a 2.39678
e 0.18031
i / sin(i) 2.4209 / 0.04224
q 1.96461
Q 2.82896
ω 192.7441
Node 106.2176
m 311.6382
n 0.2656
Epoch 2460800.5
nobs 1453
nopp 21
Years observed 1991-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.398
ep 0.157
sin(ip) 0.025
G 0.150
H 16.000
Mass
D 1.78 0.350
pV 0.266 0.0416
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.3100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3979 0.1566 0.0254 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.78 0.350 0.350 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.266 0.0416 0.0416 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
16.00 MPC-2023-12-04 MPC-2023-12-04 Phot