1999 GN9

1999GN9, 1985 SH2, 1985SH2, 1996 RM13, 1996RM13, 47139, J85S02H, J96R13M, J99G09N

All data for this body: [vot]

MPC data
Name (number) 1999 GN9 (47139)
a 3.15109
e 0.15949
i / sin(i) 23.1441 / 0.39305
q 2.64854
Q 3.65365
ω 98.0169
Node 350.7054
m 320.4765
n 0.1762
Epoch 2460800.5
nobs 3851
nopp 26
Years observed 1951-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.158
ep 0.134
sin(ip) 0.404
G 0.150
H 12.830
Mass
D 16.49 0.090
pV 0.065 0.0032
Value
Rotational Period 6.120
Period quality 2
Spectral Class X
Spectral Class Score 5.616
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1581 0.1342 0.4041 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.49 0.090 0.090 Masiero 2011ApJ...741...68M NEATM
16.57 4.610 4.610 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0032 0.0032 Masiero 2011ApJ...741...68M NEATM
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N 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
12.83 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.12036 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
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.936 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT