1999 XH77

1999XH77, 1998 QR97, 1998QR97, 45110, J98Q97R, J99X77H

All data for this body: [vot]

MPC data
Name (number) 1999 XH77 (45110)
a 2.75568
e 0.08053
i / sin(i) 7.8344 / 0.13631
q 2.53376
Q 2.97760
ω 236.3706
Node 256.1452
m 159.4243
n 0.2155
Epoch 2460800.5
nobs 1953
nopp 22
Years observed 1998-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.756
ep 0.108
sin(ip) 0.156
G 0.150
H 14.890
Mass
D 3.28 0.484
pV 0.285 0.1318
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 12.265
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.4500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7555 0.1085 0.1557 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.28 0.484 0.484 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.285 0.1318 0.1318 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
14.89 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 S 0.3525 0.8290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7660 0.8290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9256 0.8290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT