1999 RR157

1999RR157, 1985 QC6, 1985QC6, 1990 TM16, 1990TM16, 1990 VZ7, 1990VZ7, 40606, J85Q06C, J90T16M, J90V07Z, J99RF7R

All data for this body: [vot]

MPC data
Name (number) 1999 RR157 (40606)
a 2.79188
e 0.23334
i / sin(i) 8.3018 / 0.14439
q 2.14042
Q 3.44334
ω 348.3884
Node 9.7822
m 41.0556
n 0.2113
Epoch 2460200.5
nobs 1105
nopp 21
Years observed 1985-2023
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.792
ep 0.197
sin(ip) 0.137
Value Standard error
G 0.150
H 14.960
Mass
D 6.26 0.185
pV 0.060 0.0063
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7922 0.1969 0.1366 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.65 1.460 1.460 Masiero 2020PSJ.....1....5M NEATM
6.10 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
6.23 0.193 0.193 Masiero 2011ApJ...741...68M NEATM
6.37 1.650 1.650 Masiero 2021PSJ.....2..162M NEATM
7.90 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0270 0.0560 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0064 0.0064 Masiero 2011ApJ...741...68M NEATM
0.066 0.0540 0.0540 Masiero 2020PSJ.....1....5M 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
14.96 MPC-2023-12-04 MPC-2023-12-04 Phot