Swiggum

1997 GR21, 1997GR21, 23672, J97G21R

All data for this body: [vot]

MPC data
Name (number) Swiggum (23672)
a 2.67300
e 0.17217
i / sin(i) 11.8846 / 0.20594
q 2.21278
Q 3.13321
ω 76.6047
Node 209.7415
m 97.5718
n 0.2255
Epoch 2460800.5
nobs 2020
nopp 23
Years observed 1997-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.674
ep 0.155
sin(ip) 0.219
G 0.150
H 14.660
Mass
D 3.17 0.120
pV 0.211 0.0214
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.982
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6738 0.1553 0.2192 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.12 0.594 0.594 Masiero 2011ApJ...741...68M NEATM
3.17 0.122 0.122 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.211 0.0225 0.0225 Masiero 2011ApJ...741...68M NEATM
0.219 0.0682 0.0682 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
14.66 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
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT