1999RD51

1998EW21, 38278, J98E21W, J99R51D

All data for this body: [vot]

MPC data
Name (number) 1999RD51 (38278)
Packed designation 38278
a 2.45767
e 0.16540
i / sin(i) 5.1780 / 0.09025
q 2.05117
Q 2.86417
ω 134.6394
Node 144.0023
m 326.3736
n 0.2558
Epoch 2459600.5
nobs 1312
nopp 18
Years observed 1998-2021
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.458
ep 0.160
sin(ip) 0.082
Value Standard error
G 0.150
H 15.100
Mass
D 2.06 0.218
pV 0.495 0.1436
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4575 0.1600 0.0821 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.96 0.232 0.232 Masiero 2011ApJ...741...68M NEATM
2.75 0.630 0.630 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.336 0.2003 0.2003 Masiero 2011ApJ...741...68M NEATM
0.663 0.2061 0.2061 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.10 MPC-2022-01-18 MPC-2022-01-18 Phot