1999SM22

1998HN90, 1999RD182, 38449, J98H90N, J99RI2D, J99S22M

All data for this body: [vot]

MPC data
Name (number) 1999SM22 (38449)
Packed designation 38449
a 2.53701
e 0.11699
i / sin(i) 5.8390 / 0.10173
q 2.24019
Q 2.83382
ω 60.4294
Node 173.0557
m 300.7152
n 0.2439
Epoch 2459600.5
nobs 1257
nopp 20
Years observed 1991-2022
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.538
ep 0.150
sin(ip) 0.112
Value Standard error
G 0.150
H 15.130
Mass
D 2.29 0.307
pV 0.224 0.0459
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5378 0.1497 0.1120 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.23 0.419 0.419 Masiero 2011ApJ...741...68M NEATM
2.36 0.452 0.452 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.219 0.0505 0.0505 Masiero 2011ApJ...741...68M NEATM
0.245 0.1106 0.1106 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
15.13 MPC-2022-01-18 MPC-2022-01-18 Phot