Kellyryan

1998 XH73, 1998XH73, 2000 JQ20, 2000JQ20, 28818, J98X73H, K00J20Q

All data for this body: [vot]

MPC data
Name (number) Kellyryan (28818)
a 2.26237
e 0.15034
i / sin(i) 5.3443 / 0.09314
q 1.92224
Q 2.60249
ω 54.3161
Node 316.9874
m 335.0230
n 0.2896
Epoch 2460800.5
nobs 2495
nopp 22
Years observed 1986-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.262
ep 0.111
sin(ip) 0.099
G 0.150
H 14.610
Mass
D 2.86 0.513
pV 0.493 0.1011
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.802
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2624 0.1105 0.0992 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.85 0.722 0.722 Masiero 2011ApJ...741...68M NEATM
2.87 0.729 0.729 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.491 0.1225 0.1225 Masiero 2011ApJ...741...68M NEATM
0.499 0.1789 0.1789 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
14.61 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 0.967 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT