1998 SE66

1998SE66, 1999 XJ180, 1999XJ180, 52897, J98S66E, J99XI0J

All data for this body: [vot]

MPC data
Name (number) 1998 SE66 (52897)
a 2.39929
e 0.13822
i / sin(i) 11.1308 / 0.19305
q 2.06766
Q 2.73092
ω 259.5358
Node 41.0275
m 124.4156
n 0.2652
Epoch 2460800.5
nobs 3047
nopp 24
Years observed 1956-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.398
ep 0.100
sin(ip) 0.186
G 0.150
H 14.320
Mass
D 7.03 0.974
pV 0.072 0.0213
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.430
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3978 0.1002 0.1862 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.34 1.780 1.780 Masiero 2021PSJ.....2..162M NEATM
7.08 2.081 2.081 Masiero 2017AJ....154..168M NEATM
7.13 1.760 1.760 Masiero 2021PSJ.....2..162M NEATM
7.98 2.330 2.330 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.058 0.0310 0.0660 Masiero 2021PSJ.....2..162M NEATM
0.070 0.0260 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.073 0.0477 0.0477 Masiero 2017AJ....154..168M NEATM
0.088 0.0350 0.0570 Masiero 2021PSJ.....2..162M 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
14.32 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 0.905 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.3602 0.3602 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT