Marichardson

1982 DH1, 1982DH1, 1994 LC5, 1994LC5, 1999 TP94, 1999TP94, 20634, J82D01H, J94L05C, J99T94P

All data for this body: [vot]

MPC data
Name (number) Marichardson (20634)
a 2.44904
e 0.14365
i / sin(i) 5.6445 / 0.09836
q 2.09724
Q 2.80084
ω 122.2321
Node 59.5585
m 78.2001
n 0.2572
Epoch 2460800.5
nobs 3686
nopp 22
Years observed 1982-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.447
ep 0.183
sin(ip) 0.085
G 0.150
H 14.390
Mass
D 2.86 0.994
pV 0.542 0.2361
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4472 0.1834 0.0854 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.86 0.994 0.994 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.542 0.2361 0.2361 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
14.39 MPC-2023-12-04 MPC-2023-12-04 Phot