Geyer

04380, 1935 UV, 1935UV, 1975 EX4, 1975EX4, 1980 EO, 1980EO, 1988 PB2, 1988PB2, J35U00V, J75E04X, J80E00O, J88P02B

All data for this body: [vot]

MPC data
Name (number) Geyer (4380)
a 3.03933
e 0.06278
i / sin(i) 9.8759 / 0.17152
q 2.84853
Q 3.23013
ω 49.9711
Node 345.5387
m 295.3191
n 0.1860
Epoch 2460800.5
nobs 9500
nopp 30
Years observed 1935-2025
rms 0.44
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.038
ep 0.038
sin(ip) 0.180
G 0.150
H 12.110
Mass
D 16.91 1.060
pV 0.129 0.0230
Value
Rotational Period 9.400
Period quality 2
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0385 0.0381 0.1805 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.91 1.060 1.060 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.129 0.0230 0.0230 Masiero 2012ApJ...759L...8M 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
12.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.7283 2 Sidereal Durech 2023A&A...675A..24D Model
7.72831 2 Sidereal Durech 2020A&A...643A..59D Model
7.7284 2 Synodic Pal 2020ApJS..247...26P Lightcurve
9.41 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT