1999 SO18

1999SO18, 2000 YW78, 2000YW78, 38447, J99S18O, K00Y78W

All data for this body: [vot]

MPC data
Name (number) 1999 SO18 (38447)
a 3.16575
e 0.09731
i / sin(i) 10.2080 / 0.17722
q 2.85768
Q 3.47381
ω 257.3441
Node 93.2212
m 201.9230
n 0.1750
Epoch 2460800.5
nobs 1632
nopp 22
Years observed 1994-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent Veritas (490)
 
ap 3.174
ep 0.060
sin(ip) 0.157
G 0.150
H 14.140
Mass
D 8.39 0.189
pV 0.076 0.0093
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 23.575
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
490 Veritas 0 Veritas Novakovic 2019EPSC...13.1671N HCM
490 Veritas 609 Veritas 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1740 0.0601 0.1569 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.39 0.189 0.189 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.076 0.0093 0.0093 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
14.14 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.97 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.2111 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.2306 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4288 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4796 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5553 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5577 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8094 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D C 0.1223 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.0437 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.2711 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.5997 0.4140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT