1988 XJ1

1988XJ1, 12254, 1977 XG3, 1977XG3, J77X03G, J88X01J

All data for this body: [vot]

MPC data
Name (number) 1988 XJ1 (12254)
a 3.14332
e 0.03710
i / sin(i) 13.6117 / 0.23534
q 3.02672
Q 3.25992
ω 312.0930
Node 73.1473
m 123.6617
n 0.1769
Epoch 2460200.5
nobs 2644
nopp 29
Years observed 1954-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.143
ep 0.022
sin(ip) 0.218
Value Standard error
G 0.150
H 12.900
Mass
D 18.58 0.289
pV 0.037 0.0050
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1430 0.0221 0.2178 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.57 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
19.82 4.149 4.149 Masiero 2017AJ....154..168M NEATM
23.17 6.850 6.850 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0110 0.0110 Masiero 2012ApJ...759L...8M NEATM
0.036 0.0161 0.0161 Masiero 2017AJ....154..168M NEATM
0.039 0.0060 0.0060 Masiero 2012ApJ...759L...8M 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
12.90 MPC-2023-12-04 MPC-2023-12-04 Phot