1997 QA2

1997QA2, 14970, 1990 BA5, 1990BA5, J90B05A, J97Q02A

All data for this body: [vot]

MPC data
Name (number) 1997 QA2 (14970)
a 2.76849
e 0.02988
i / sin(i) 4.0449 / 0.07054
q 2.68577
Q 2.85122
ω 350.3993
Node 266.0639
m 102.3098
n 0.2140
Epoch 2460800.5
nobs 1779
nopp 24
Years observed 1989-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Hoffmeister (1726)
 
ap 2.769
ep 0.052
sin(ip) 0.088
G 0.150
H 14.670
Mass
D 3.47 0.738
pV 0.280 0.1173
Value
Rotational Period 22.530
Period quality 2
Spectral Class C
Spectral Class Score 3.525
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1726 Hoffmeister 519 Hoffmeister -1.2400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7695 0.0523 0.0879 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.47 0.738 0.738 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.280 0.1173 0.1173 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
14.67 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
22.534 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.5875 0.5780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT