1999 RP21

1999RP21, 74614, J99R21P

All data for this body: [vot]

MPC data
Name (number) 1999 RP21 (74614)
a 2.39301
e 0.16943
i / sin(i) 2.2734 / 0.03967
q 1.98757
Q 2.79844
ω 310.6634
Node 111.3095
m 125.1898
n 0.2662
Epoch 2460200.5
nobs 985
nopp 17
Years observed 1997-2023
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.393
ep 0.163
sin(ip) 0.026
Value Standard error
G 0.150
H 16.330
Mass
D
pV
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 404 Massalia -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3925 0.1631 0.0260 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
16.33 MPC-2023-12-04 MPC-2023-12-04 Phot