2001 QA139

2001QA139, 42270, K01QD9A

All data for this body: [vot]

MPC data
Name (number) 2001 QA139 (42270)
a 2.77411
e 0.21966
i / sin(i) 7.7249 / 0.13442
q 2.16474
Q 3.38347
ω 120.9816
Node 256.2097
m 45.6868
n 0.2133
Epoch 2460800.5
nobs 1946
nopp 22
Years observed 1982-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Phaeo (322)
 
ap 2.772
ep 0.176
sin(ip) 0.157
G 0.150
H 14.800
Mass
D 7.01 0.036
pV 0.053 0.0093
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.260
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
322 Phaeo 530 Phaeo -0.4500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7724 0.1765 0.1572 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.90 1.570 1.570 Nugent 2016AJ....152...63N NEATM
6.54 1.490 1.490 Masiero 2021PSJ.....2..162M NEATM
6.80 2.585 2.585 Masiero 2017AJ....154..168M NEATM
7.01 0.036 0.036 Masiero 2011ApJ...741...68M NEATM
7.25 2.370 2.370 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0306 0.0306 Masiero 2017AJ....154..168M NEATM
0.049 0.0150 0.0150 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.055 0.0220 0.0380 Masiero 2021PSJ.....2..162M NEATM
0.058 0.0154 0.0154 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
14.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Ad Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.210 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT