1999 RX174

1999RX174, 1998 HY47, 1998HY47, 40631, J98H47Y, J99RH4X

All data for this body: [vot]

MPC data
Name (number) 1999 RX174 (40631)
a 2.51526
e 0.11586
i / sin(i) 3.3271 / 0.05804
q 2.22384
Q 2.80669
ω 171.9157
Node 137.4093
m 186.2773
n 0.2471
Epoch 2460800.5
nobs 1781
nopp 23
Years observed 1991-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.516
ep 0.101
sin(ip) 0.048
G 0.150
H 15.420
Mass
D 2.46 0.271
pV 0.179 0.0438
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.166
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5164 0.1009 0.0481 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.42 0.297 0.297 Masiero 2011ApJ...741...68M NEATM
2.66 0.669 0.669 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.158 0.0737 0.0737 Masiero 2011ApJ...741...68M NEATM
0.191 0.0544 0.0544 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
15.42 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
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.861 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT