1999 RY2

1999RY2, 19622, 1997 HG4, 1997HG4, 1998 MG12, 1998MG12, J97H04G, J98M12G, J99R02Y

All data for this body: [vot]

MPC data
Name (number) 1999 RY2 (19622)
a 3.23332
e 0.17979
i / sin(i) 12.2421 / 0.21204
q 2.65200
Q 3.81465
ω 86.8889
Node 175.7497
m 217.6313
n 0.1695
Epoch 2460800.5
nobs 2524
nopp 25
Years observed 1993-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.207
ep 0.201
sin(ip) 0.220
G 0.150
H 13.520
Mass
D 11.35 0.141
pV 0.051 0.0074
Value
Rotational Period 14.862
Period quality 2
Spectral Class C
Spectral Class Score 6.253
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2069 0.2009 0.2199 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.34 0.141 0.141 Masiero 2011ApJ...741...68M NEATM
11.84 3.660 3.660 Masiero 2017AJ....154..168M NEATM
13.68 4.370 4.370 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.050 0.0270 0.0270 Masiero 2017AJ....154..168M NEATM
0.052 0.0078 0.0078 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
13.52 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.8621 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B C 0.1765 0.2000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.59 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.2031 0.2000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.3091 0.2000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT