Tomjohnson

12919, 1974 QH, 1974QH, 1988 RC14, 1988RC14, 1992 YC5, 1992YC5, 1998 VB6, 1998VB6, J74Q00H, J88R14C, J92Y05C, J98V06B

All data for this body: [vot]

MPC data
Name (number) Tomjohnson (12919)
a 2.27361
e 0.21820
i / sin(i) 6.3713 / 0.11097
q 1.77751
Q 2.76971
ω 66.9356
Node 256.5684
m 279.9780
n 0.2875
Epoch 2460800.5
nobs 5340
nopp 24
Years observed 1974-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.274
ep 0.161
sin(ip) 0.128
G 0.150
H 14.000
Mass
D 4.88 0.468
pV 0.245 0.1040
Value
Rotational Period 8.140
Period quality 3
Spectral Class S
Spectral Class Score 5.988
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2739 0.1611 0.1275 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.88 0.468 0.468 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.245 0.1040 0.1040 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
14.00 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.147 2 Synodic Brincat 2023MPBu...50...54B Lightcurve
8.147 3 Synodic Marchini 2023MPBu...50...17M Lightcurve
8.1472 3 Synodic Pravec LCDB Lightcurve
8.149 3 Synodic Dose 2023MPBu...50...65D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT