1999 SB18

1999SB18, 2001 BM8, 2001BM8, 70423, J99S18B, K01B08M

All data for this body: [vot]

MPC data
Name (number) 1999 SB18 (70423)
a 2.36095
e 0.13439
i / sin(i) 7.4634 / 0.12989
q 2.04367
Q 2.67823
ω 229.3368
Node 91.3288
m 48.1191
n 0.2717
Epoch 2460800.5
nobs 1878
nopp 20
Years observed 1999-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.361
ep 0.097
sin(ip) 0.115
G 0.150
H 15.320
Mass
D 2.39 0.379
pV 0.309 0.1396
Value
Rotational Period 5.433
Period quality 2
Spectral Class V
Spectral Class Score 9.457
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3612 0.0969 0.1150 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.39 0.379 0.379 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.309 0.1396 0.1396 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
15.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.43261 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S V 0.2326 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.6146 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.9615 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT