1999 GU

1999GU, 17915, J99G00U

All data for this body: [vot]

MPC data
Name (number) 1999 GU (17915)
a 2.23061
e 0.04268
i / sin(i) 0.8872 / 0.01549
q 2.13541
Q 2.32581
ω 173.3083
Node 10.2744
m 312.5031
n 0.2958
Epoch 2460800.5
nobs 1900
nopp 21
Years observed 1992-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.231
ep 0.091
sin(ip) 0.012
G 0.150
H 15.770
Mass
D 1.95 0.310
pV 0.293 0.1404
Value
Rotational Period 3.500
Period quality 2+
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2306 0.0913 0.0121 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.95 0.310 0.310 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.293 0.1404 0.1404 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
15.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.58 2+ Synodic Warner 2018MPBu...45..190W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT