1999RD201

1978NH4, 21762, J78N04H, J99RK1D

All data for this body: [vot]

MPC data
Name (number) 1999RD201 (21762)
Packed designation 21762
a 2.55774
e 0.06925
i / sin(i) 14.2920 / 0.24687
q 2.38060
Q 2.73487
ω 282.1818
Node 302.9466
m 297.9938
n 0.2409
Epoch 2459600.5
nobs 1478
nopp 18
Years observed 1993-2022
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.557
ep 0.096
sin(ip) 0.262
Value Standard error
G 0.150
H 14.350
Mass
D 3.82 0.178
pV 0.299 0.0275
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5574 0.0955 0.2620 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.70 0.301 0.301 Masiero 2011ApJ...741...68M NEATM
3.88 0.220 0.220 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.294 0.0299 0.0299 Masiero 2011ApJ...741...68M NEATM
0.324 0.0697 0.0697 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
14.35 MPC-2022-01-18 MPC-2022-01-18 Phot