1999 RD156

1999RD156, 2000 WH93, 2000WH93, 59911, J99RF6D, K00W93H

All data for this body: [vot]

MPC data
Name (number) 1999 RD156 (59911)
a 3.14823
e 0.15079
i / sin(i) 3.7308 / 0.06507
q 2.67352
Q 3.62294
ω 56.3997
Node 265.4027
m 227.1389
n 0.1764
Epoch 2460800.5
nobs 1567
nopp 21
Years observed 1999-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.158
ep 0.124
sin(ip) 0.086
G 0.150
H 14.290
Mass
D 6.50 0.138
pV 0.105 0.0175
Value
Rotational Period 11.596
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1579 0.1243 0.0859 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.50 0.138 0.138 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.105 0.0175 0.0175 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
14.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.5968 2 Sidereal Durech 2023A&A...675A..24D Model