1989 SH4

1989SH4, 1999 GN27, 1999GN27, 35069, J89S04H, J99G27N

All data for this body: [vot]

MPC data
Name (number) 1989 SH4 (35069)
a 2.38146
e 0.16039
i / sin(i) 4.3644 / 0.07610
q 1.99949
Q 2.76343
ω 272.2364
Node 49.8972
m 286.8748
n 0.2682
Epoch 2460800.5
nobs 2224
nopp 21
Years observed 1989-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.382
ep 0.124
sin(ip) 0.066
G 0.150
H 15.310
Mass
D 2.76 0.541
pV 0.259 0.1480
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.928
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3817 0.1245 0.0655 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.68 0.638 0.638 Masiero 2011ApJ...741...68M NEATM
2.97 1.019 1.019 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.240 0.1823 0.1823 Masiero 2011ApJ...741...68M NEATM
0.296 0.2537 0.2537 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
15.31 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
S 0.988 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
U Popescu NIR Mansour 2020MNRAS.491.5966M SPEC+PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT