Sprattia

04789, 1976 HE1, 1976HE1, 1987 UU2, 1987UU2, J76H01E, J87U02U

All data for this body: [vot]

MPC data
Name (number) Sprattia (4789)
a 2.23903
e 0.12449
i / sin(i) 1.2761 / 0.02227
q 1.96029
Q 2.51776
ω 153.0186
Node 209.6372
m 90.4079
n 0.2942
Epoch 2460800.5
nobs 6199
nopp 28
Years observed 1976-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.239
ep 0.083
sin(ip) 0.034
G 0.150
H 14.110
Mass
D 4.17 0.232
pV 0.279 0.0705
Value
Rotational Period 3.130
Period quality 2
Spectral Class S
Spectral Class Score 32.680
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2385 0.0826 0.0335 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.17 0.232 0.232 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.279 0.0705 0.0705 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
14.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.136 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
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 0.41 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9878 0.8200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9932 0.8200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9957 0.8200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9999 0.8200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT