1999 AG2

1999AG2, 15998, 1989 AO8, 1989AO8, 1993 HY6, 1993HY6, 1996 HS21, 1996HS21, J89A08O, J93H06Y, J96H21S, J99A02G

All data for this body: [vot]

MPC data
Name (number) 1999 AG2 (15998)
a 2.20694
e 0.04351
i / sin(i) 4.2547 / 0.07419
q 2.11091
Q 2.30297
ω 238.0519
Node 24.8036
m 227.9280
n 0.3006
Epoch 2460800.5
nobs 3959
nopp 24
Years observed 1989-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.207
ep 0.065
sin(ip) 0.069
G 0.150
H 14.240
Mass
D 7.13 0.046
pV 0.087 0.0062
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 4.832
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2069 0.0651 0.0693 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.39 1.660 1.660 Masiero 2020PSJ.....1....5M NEATM
5.83 1.520 1.520 Masiero 2021PSJ.....2..162M NEATM
6.52 1.794 1.794 Masiero 2017AJ....154..168M NEATM
6.92 2.052 2.052 Masiero 2017AJ....154..168M NEATM
7.00 0.051 0.051 Masiero 2011ApJ...741...68M NEATM
7.73 0.110 0.110 Masiero 2012ApJ...759L...8M NEATM
7.84 1.870 1.870 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.074 0.0090 0.0090 Masiero 2012ApJ...759L...8M NEATM
0.080 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.099 0.0091 0.0091 Masiero 2011ApJ...741...68M NEATM
0.109 0.0490 0.0890 Masiero 2021PSJ.....2..162M NEATM
0.127 0.0900 0.0900 Masiero 2020PSJ.....1....5M NEATM
0.152 0.0737 0.0737 Masiero 2017AJ....154..168M NEATM
0.154 0.0804 0.0804 Masiero 2017AJ....154..168M 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
14.24 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
K K 0.3771 0.3990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K K 0.4283 0.3990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L K 0.1429 0.3990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT