2003 WC21

2003WC21, 1999 XK16, 1999XK16, j0260, J99X16K, K03W21C

All data for this body: [vot]

MPC data
Name (number) 2003 WC21 (450260)
a 2.53796
e 0.22352
i / sin(i) 28.7962 / 0.48170
q 1.97068
Q 3.10525
ω 117.4469
Node 251.2307
m 140.6224
n 0.2438
Epoch 2460800.5
nobs 454
nopp 10
Years observed 1999-2024
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.540
ep 0.116
sin(ip) 0.497
G 0.150
H 16.730
Mass
D 2.94 0.640
pV 0.047 0.0190
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5401 0.1158 0.4969 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.94 0.640 0.640 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.047 0.0150 0.0230 Masiero 2021PSJ.....2..162M 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
16.73 MPC-2023-12-04 MPC-2023-12-04 Phot