1999XM221

1998SR104, 41329, J98SA4R, J99XM1M

All data for this body: [vot]

MPC data
Name (number) 1999XM221 (41329)
Packed designation 41329
a 3.49190
e 0.06538
i / sin(i) 11.2281 / 0.19472
q 3.26361
Q 3.72020
ω 274.0770
Node 36.6641
m 255.2087
n 0.1510
Epoch 2459600.5
nobs 1243
nopp 20
Years observed 1996-2021
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.495
ep 0.047
sin(ip) 0.188
Value Standard error
G 0.150
H 13.490
Mass
D 12.69 0.330
pV 0.052 0.0069
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.4949 0.0473 0.1880 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.69 0.330 0.330 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0069 0.0069 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
13.49 MPC-2022-01-18 MPC-2022-01-18 Phot