1998 SD144

1998SD144, 1990 VJ, 1990VJ, 26303, J90V00J, J98SE4D

All data for this body: [vot]

MPC data
Name (number) 1998 SD144 (26303)
a 2.54456
e 0.07695
i / sin(i) 21.8035 / 0.37143
q 2.34876
Q 2.74035
ω 279.8978
Node 199.1902
m 111.6671
n 0.2428
Epoch 2460800.5
nobs 2491
nopp 22
Years observed 1990-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Hansa (480)
 
ap 2.545
ep 0.050
sin(ip) 0.379
G 0.150
H 14.590
Mass
D 3.38 0.687
pV 0.295 0.0750
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 27.695
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
480 Hansa 0 Hansa Novakovic 2019EPSC...13.1671N HCM
480 Hansa 803 Hansa Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5451 0.0499 0.3787 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.38 0.687 0.687 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.295 0.0750 0.0750 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
14.59 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 0.0530 0.6590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.3853 0.6590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5540 0.6590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5816 0.6590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6796 0.6590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6797 0.6590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7455 0.6590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9902 0.6590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT