1989 SK1

1989SK1, 1998 UN24, 1998UN24, 46548, J89S01K, J98U24N

All data for this body: [vot]

MPC data
Name (number) 1989 SK1 (46548)
a 2.68147
e 0.22157
i / sin(i) 4.6070 / 0.08032
q 2.08733
Q 3.27561
ω 279.4169
Node 56.8627
m 63.4662
n 0.2245
Epoch 2460800.5
nobs 1739
nopp 20
Years observed 1989-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.680
ep 0.186
sin(ip) 0.068
G 0.150
H 15.040
Mass
D 5.61 0.080
pV 0.055 0.0085
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.020
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6800 0.1863 0.0679 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.32 0.114 0.114 Masiero 2011ApJ...741...68M NEATM
5.50 1.620 1.620 Nugent 2016AJ....152...63N NEATM
5.88 0.112 0.112 Masiero 2011ApJ...741...68M NEATM
5.90 2.010 2.010 Masiero 2021PSJ.....2..162M NEATM
5.91 1.960 1.960 Masiero 2021PSJ.....2..162M NEATM
6.47 1.400 1.400 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.051 0.0174 0.0174 Masiero 2011ApJ...741...68M NEATM
0.055 0.0290 0.0630 Masiero 2021PSJ.....2..162M NEATM
0.056 0.0250 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.062 0.0127 0.0127 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
15.04 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 0.670 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT