1984 SP4

1984SP4, 1996 TP55, 1996TP55, 2019 GM34, 2019GM34, 35057, J84S04P, J96T55P, K19G34M

All data for this body: [vot]

MPC data
Name (number) 1984 SP4 (35057)
a 2.53157
e 0.24967
i / sin(i) 5.0953 / 0.08881
q 1.89950
Q 3.16364
ω 81.3281
Node 302.7880
m 22.1923
n 0.2447
Epoch 2460800.5
nobs 2500
nopp 22
Years observed 1984-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.530
ep 0.198
sin(ip) 0.111
G 0.150
H 14.790
Mass
D 3.20 0.513
pV 0.172 0.0966
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.779
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5302 0.1978 0.1108 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.20 0.513 0.513 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.172 0.0966 0.0966 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
14.79 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.91 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9951 0.9951 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V Popescu NIR Mansour 2020MNRAS.491.5966M SPEC+PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT