1997 QD2

1997QD2, 12849, 1949 KQ, 1949KQ, 1990 HA5, 1990HA5, J49K00Q, J90H05A, J97Q02D

All data for this body: [vot]

MPC data
Name (number) 1997 QD2 (12849)
a 3.01250
e 0.06325
i / sin(i) 10.9165 / 0.18938
q 2.82195
Q 3.20305
ω 93.3266
Node 142.6568
m 214.7660
n 0.1885
Epoch 2460800.5
nobs 4972
nopp 25
Years observed 1949-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.006
ep 0.091
sin(ip) 0.178
G 0.150
H 12.100
Mass
D 13.66 0.137
pV 0.152 0.0119
Value
Rotational Period 21.221
Period quality 2
Spectral Class S
Spectral Class Score 13.294
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0060 0.0914 0.1776 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.40 0.149 0.149 Masiero 2011ApJ...741...68M NEATM
14.75 0.360 0.360 Masiero 2012ApJ...759L...8M NEATM
18.20 1.240 1.240 Usui 2011PASJ...63.1117U NEATM
18.37 3.670 3.670 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.094 0.0380 0.0380 Ali-Lagoa 2018A&A...612A..85A NEATM
0.141 0.0190 0.0190 Masiero 2012ApJ...759L...8M NEATM
0.171 0.0167 0.0167 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
12.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.277 1 Synodic Behrend LCDB Lightcurve
21.2217 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 X 0.2827 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.58 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.779 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S X 0.9100 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3791 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6730 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT