1999 AD7

1999AD7, 1991 RW2, 1991RW2, 44542, J91R02W, J99A07D

All data for this body: [vot]

MPC data
Name (number) 1999 AD7 (44542)
a 3.16616
e 0.10227
i / sin(i) 3.5070 / 0.06117
q 2.84236
Q 3.48997
ω 199.6716
Node 248.6899
m 266.6655
n 0.1749
Epoch 2460800.5
nobs 1541
nopp 23
Years observed 1991-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.169
ep 0.095
sin(ip) 0.079
G 0.150
H 14.320
Mass
D 7.50 0.283
pV 0.087 0.0199
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 2.269
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1689 0.0945 0.0794 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.50 0.283 0.283 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.087 0.0199 0.0199 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
14.32 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
B B 0.3782 0.3782 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT