1999 AB

1999AB, 70021, J99A00B

All data for this body: [vot]

MPC data
Name (number) 1999 AB (70021)
a 3.18853
e 0.06371
i / sin(i) 21.3061 / 0.36335
q 2.98538
Q 3.39167
ω 155.1464
Node 292.1164
m 216.2233
n 0.1731
Epoch 2460800.5
nobs 1861
nopp 21
Years observed 1952-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Alauda (702)
 
ap 3.186
ep 0.083
sin(ip) 0.378
G 0.150
H 13.940
Mass
D 10.88 0.112
pV 0.061 0.0013
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.570
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
702 Alauda 0 Alauda Novakovic 2019EPSC...13.1671N HCM
702 Alauda 902 Alauda -0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1862 0.0833 0.3783 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.88 0.112 0.112 Masiero 2011ApJ...741...68M NEATM
14.65 5.461 5.461 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.025 0.0157 0.0157 Masiero 2017AJ....154..168M NEATM
0.061 0.0013 0.0013 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
13.94 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
C 0.595 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.0119 0.0119 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT