1998 XJ78

1998XJ78, 1987 SY10, 1987SY10, 28212, J87S10Y, J98X78J

All data for this body: [vot]

MPC data
Name (number) 1998 XJ78 (28212)
a 2.34262
e 0.20213
i / sin(i) 5.5581 / 0.09686
q 1.86911
Q 2.81613
ω 247.3317
Node 145.7329
m 157.2038
n 0.2749
Epoch 2460800.5
nobs 1651
nopp 22
Years observed 1976-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.343
ep 0.177
sin(ip) 0.092
G 0.150
H 15.660
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 71.403
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3429 0.1769 0.0920 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.66 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
S S 0.8711 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9000 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9019 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9279 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9581 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9903 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9983 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9991 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9992 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9999 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.2703 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A S 0.7013 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K 0.520 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S None Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.0511 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7757 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8613 0.8100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT