1991 VL1

1991VL1, 09958, 1996 FN5, 1996FN5, J91V01L, J96F05N

All data for this body: [vot]

MPC data
Name (number) 1991 VL1 (9958)
a 2.17492
e 0.12679
i / sin(i) 5.9682 / 0.10398
q 1.89917
Q 2.45066
ω 256.6363
Node 102.5340
m 189.9011
n 0.3073
Epoch 2460800.5
nobs 7310
nopp 24
Years observed 1991-2025
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.175
ep 0.060
sin(ip) 0.096
G 0.150
H 14.590
Mass
D 3.66 0.096
pV 0.319 0.0401
Value
Rotational Period
Period quality None
Spectral Class A
Spectral Class Score 15.858
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1752 0.0599 0.0958 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.32 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM
3.82 0.116 0.116 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.278 0.0546 0.0546 Masiero 2011ApJ...741...68M NEATM
0.368 0.0590 0.0590 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
14.59 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
A S 0.2641 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A S 0.6905 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A S 0.7357 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A S 0.9527 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.767 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L S 0.3319 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8301 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9843 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT