1990 QM4

1990QM4, 15254, 1979 HF4, 1979HF4, 1979 HU3, 1979HU3, J79H03U, J79H04F, J90Q04M

All data for this body: [vot]

MPC data
Name (number) 1990 QM4 (15254)
a 2.28559
e 0.14154
i / sin(i) 5.2347 / 0.09123
q 1.96208
Q 2.60909
ω 123.9782
Node 137.9813
m 74.5483
n 0.2852
Epoch 2460800.5
nobs 4250
nopp 24
Years observed 1979-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.286
ep 0.138
sin(ip) 0.086
G 0.150
H 14.100
Mass
D 4.00 0.066
pV 0.367 0.0304
Value
Rotational Period 2.310
Period quality 1
Spectral Class S
Spectral Class Score 5.196
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.7700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 403 Baptistina 1.6200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2862 0.1381 0.0861 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.00 0.066 0.066 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.367 0.0304 0.0304 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
14.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.318 1 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 0.866 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT