1998 RY42

1998RY42, 44321, J98R42Y

All data for this body: [vot]

MPC data
Name (number) 1998 RY42 (44321)
a 2.65109
e 0.03448
i / sin(i) 21.6050 / 0.36821
q 2.55967
Q 2.74251
ω 282.9854
Node 186.7611
m 310.6183
n 0.2283
Epoch 2460800.5
nobs 2037
nopp 20
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Hansa (480)
 
ap 2.651
ep 0.034
sin(ip) 0.372
G 0.150
H 14.560
Mass
D 3.57 0.967
pV 0.419 0.1991
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 10.495
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
480 Hansa 0 Hansa Novakovic 2019EPSC...13.1671N HCM
480 Hansa 803 Hansa Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6507 0.0343 0.3716 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.57 0.967 0.967 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.419 0.1991 0.1991 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
14.56 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
S 0.899 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8501 0.7580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.3829 0.7580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT