1999 XU56

1999XU56, H3343, J99X56U

All data for this body: [vot]

MPC data
Name (number) 1999 XU56 (173343)
a 2.45467
e 0.17240
i / sin(i) 1.7389 / 0.03035
q 2.03148
Q 2.87785
ω 208.2800
Node 216.6112
m 223.9212
n 0.2563
Epoch 2460800.5
nobs 864
nopp 17
Years observed 1991-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.455
ep 0.165
sin(ip) 0.042
G 0.150
H 16.600
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.820
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4546 0.1652 0.0418 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.60 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 0.970 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT