1998 FM40

1998FM40, 11687, 1978 PV, 1978PV, 1995 UL45, 1995UL45, J78P00V, J95U45L, J98F40M

All data for this body: [vot]

MPC data
Name (number) 1998 FM40 (11687)
a 2.57717
e 0.23659
i / sin(i) 1.1429 / 0.01995
q 1.96744
Q 3.18689
ω 30.4061
Node 257.7462
m 116.4100
n 0.2382
Epoch 2460800.5
nobs 2575
nopp 24
Years observed 1978-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.578
ep 0.231
sin(ip) 0.037
G 0.150
H 14.730
Mass
D 4.59 0.334
pV 0.139 0.0174
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.368
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5781 0.2310 0.0373 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.22 0.740 0.740 Nugent 2016AJ....152...63N NEATM
4.94 0.374 0.374 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.138 0.0176 0.0176 Masiero 2011ApJ...741...68M NEATM
0.180 0.1200 0.1200 Nugent 2016AJ....152...63N 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
14.73 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.3946 0.3930 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
XL 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT