1998 HY98

1998HY98, 1999 XG263, 1999XG263, 48872, J98H98Y, J99XQ3G

All data for this body: [vot]

MPC data
Name (number) 1998 HY98 (48872)
a 2.20530
e 0.21477
i / sin(i) 3.5684 / 0.06224
q 1.73166
Q 2.67894
ω 97.7835
Node 202.0248
m 33.3567
n 0.3010
Epoch 2460800.5
nobs 1331
nopp 20
Years observed 1998-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.206
ep 0.165
sin(ip) 0.071
G 0.150
H 16.120
Mass
D 3.62 0.098
pV 0.066 0.0088
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 5.513
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2056 0.1653 0.0710 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.29 0.410 0.410 Masiero 2020PSJ.....1....5M NEATM
2.80 0.650 0.650 Masiero 2020PSJ.....1....5M NEATM
3.66 0.110 0.110 Masiero 2011ApJ...741...68M NEATM
3.80 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
4.50 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0090 0.0090 Masiero 2011ApJ...741...68M NEATM
0.099 0.0520 0.0520 Masiero 2020PSJ.....1....5M NEATM
0.147 0.0570 0.0570 Masiero 2020PSJ.....1....5M 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
16.12 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.0510 0.2390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.5345 0.2390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT