1999 XB

1999XB, 1998 HP80, 1998HP80, 1999 SV8, 1999SV8, 27250, J98H80P, J99S08V, J99X00B

All data for this body: [vot]

MPC data
Name (number) 1999 XB (27250)
a 2.63906
e 0.20506
i / sin(i) 15.2307 / 0.26271
q 2.09790
Q 3.18022
ω 321.6871
Node 29.9647
m 349.0333
n 0.2299
Epoch 2460800.5
nobs 1598
nopp 21
Years observed 1995-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.639
ep 0.168
sin(ip) 0.251
G 0.150
H 14.350
Mass
D 3.73 0.538
pV 0.318 0.0688
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6388 0.1682 0.2507 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.73 0.538 0.538 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.318 0.0688 0.0688 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
14.35 MPC-2023-12-04 MPC-2023-12-04 Phot