Ulfbirgitta

09720, 1980 FH1, 1980FH1, 1990 DU, 1990DU, J80F01H, J90D00U

All data for this body: [vot]

MPC data
Name (number) Ulfbirgitta (9720)
a 2.94049
e 0.10627
i / sin(i) 11.9521 / 0.20709
q 2.62800
Q 3.25297
ω 171.4370
Node 345.8956
m 249.8363
n 0.1955
Epoch 2460200.5
nobs 2674
nopp 21
Years observed 1980-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.934
ep 0.153
sin(ip) 0.211
Value Standard error
G 0.150
H 13.370
Mass
D 5.52 0.148
pV 0.333 0.1056
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9343 0.1526 0.2113 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.52 0.148 0.148 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.333 0.1056 0.1056 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
13.37 MPC-2023-12-04 MPC-2023-12-04 Phot