1988 XJ1

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

All data for this body: [vot]

MPC data
Name (number) 1988 XJ1 (12254)
a 3.14525
e 0.03652
i / sin(i) 13.6116 / 0.23534
q 3.03038
Q 3.26011
ω 312.6127
Node 73.1420
m 229.1760
n 0.1767
Epoch 2460800.5
nobs 3850
nopp 30
Years observed 1954-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.143
ep 0.022
sin(ip) 0.218
G 0.150
H 12.940
Mass
D 18.58 0.289
pV 0.037 0.0050
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 0.690
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-Nov-2024
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
12.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.115 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT