1978 RU8

1978RU8, 1992 EN31, 1992EN31, 30723, J78R08U, J92E31N

All data for this body: [vot]

MPC data
Name (number) 1978 RU8 (30723)
a 3.11627
e 0.19350
i / sin(i) 10.9286 / 0.18959
q 2.51328
Q 3.71926
ω 223.9241
Node 163.8560
m 124.9877
n 0.1792
Epoch 2460800.5
nobs 2279
nopp 23
Years observed 1978-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.125
ep 0.158
sin(ip) 0.180
G 0.150
H 14.300
Mass
D 8.12 0.212
pV 0.061 0.0121
Value
Rotational Period 60.918
Period quality 2
Spectral Class D
Spectral Class Score 5.818
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1253 0.1576 0.1801 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.08 2.100 2.100 Masiero 2020PSJ.....1....5M NEATM
8.06 0.218 0.218 Masiero 2011ApJ...741...68M NEATM
8.69 1.050 1.050 Masiero 2012ApJ...759L...8M NEATM
9.90 2.540 2.540 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0250 0.0250 Masiero 2020PSJ.....1....5M NEATM
0.045 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM
0.059 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM
0.090 0.0240 0.0240 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
14.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
60.9182 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.9696 0.4080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
L 0.915 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT