1998 QL87

1998QL87, 1999 XC250, 1999XC250, 44291, J98Q87L, J99XP0C

All data for this body: [vot]

MPC data
Name (number) 1998 QL87 (44291)
a 2.73663
e 0.17206
i / sin(i) 10.7390 / 0.18634
q 2.26577
Q 3.20749
ω 78.4545
Node 220.0602
m 358.0278
n 0.2177
Epoch 2460800.5
nobs 2706
nopp 22
Years observed 1998-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.736
ep 0.149
sin(ip) 0.202
G 0.150
H 14.320
Mass
D 3.92 0.730
pV 0.288 0.1202
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 21.472
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7363 0.1492 0.2024 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.92 0.730 0.730 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.288 0.1202 0.1202 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
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
S S 0.7326 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9049 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9611 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9800 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.7990 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT