1998 SW140

1998SW140, 1991 GR6, 1991GR6, 25202, J91G06R, J98SE0W

All data for this body: [vot]

MPC data
Name (number) 1998 SW140 (25202)
a 2.94448
e 0.04337
i / sin(i) 0.9486 / 0.01656
q 2.81679
Q 3.07217
ω 75.5813
Node 262.6103
m 137.0417
n 0.1951
Epoch 2460800.5
nobs 1721
nopp 21
Years observed 1991-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.944
ep 0.024
sin(ip) 0.037
G 0.150
H 14.380
Mass
D 3.64 0.850
pV 0.335 0.1929
Value
Rotational Period 11.179
Period quality 2
Spectral Class B
Spectral Class Score 1.740
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9436 0.0240 0.0366 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.64 0.850 0.850 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.335 0.1929 0.1929 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
14.38 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.1799 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
B 0.290 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT