Helvetius

06972, 1938 DR1, 1938DR1, 1975 EZ5, 1975EZ5, 1992 GY3, 1992GY3, 1994 UR2, 1994UR2, J38D01R, J75E05Z, J92G03Y, J94U02R

All data for this body: [vot]

MPC data
Name (number) Helvetius (6972)
a 2.56943
e 0.12593
i / sin(i) 6.3590 / 0.11076
q 2.24585
Q 2.89301
ω 284.7339
Node 213.6769
m 70.6520
n 0.2393
Epoch 2460800.5
nobs 4690
nopp 27
Years observed 1938-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.569
ep 0.157
sin(ip) 0.124
G 0.150
H 13.110
Mass
D 6.88 0.057
pV 0.492 0.0381
Value
Rotational Period 16.300
Period quality 2
Spectral Class S
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5690 0.1568 0.1236 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.88 0.057 0.057 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.492 0.0381 0.0381 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
13.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.3088 2 Sidereal Durech 2020A&A...643A..59D Model
16.309 2 Sidereal Durech 2023A&A...675A..24D Model
16.35 2 Synodic Moravec 2012MPBu...39..213M 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 DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT