1999 RY204

1999RY204, 2001 AM40, 2001AM40, F0272, J99RK4Y, K01A40M

All data for this body: [vot]

MPC data
Name (number) 1999 RY204 (150272)
a 3.04298
e 0.14467
i / sin(i) 15.1936 / 0.26208
q 2.60276
Q 3.48320
ω 77.9577
Node 307.7824
m 285.9187
n 0.1857
Epoch 2460800.5
nobs 1637
nopp 20
Years observed 1999-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.040
ep 0.100
sin(ip) 0.284
G 0.150
H 14.130
Mass
D 11.33 0.385
pV 0.035 0.0058
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.723
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0399 0.1001 0.2837 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.39 0.390 0.390 Masiero 2012ApJ...759L...8M NEATM
8.88 3.750 3.750 Masiero 2021PSJ.....2..162M NEATM
9.13 3.122 3.122 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0060 0.0060 Masiero 2012ApJ...759L...8M NEATM
0.040 0.0234 0.0234 Masiero 2017AJ....154..168M NEATM
0.055 0.0290 0.0590 Masiero 2021PSJ.....2..162M 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
14.13 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
B 0.578 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.2547 0.2920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.3658 0.2920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.40 Bus VIS Carvano 2010A&A...510A..43C PHOT
X C 0.3827 0.2920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT