1999 XR4

1999XR4, 2015 FW79, 2015FW79, 47307, J99X04R, K15F79W

All data for this body: [vot]

MPC data
Name (number) 1999 XR4 (47307)
a 2.34292
e 0.16840
i / sin(i) 2.5297 / 0.04414
q 1.94837
Q 2.73746
ω 3.9864
Node 131.4379
m 334.7372
n 0.2748
Epoch 2460800.5
nobs 1727
nopp 20
Years observed 1995-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.343
ep 0.204
sin(ip) 0.035
G 0.150
H 15.650
Mass
D
pV
Value
Rotational Period 4.450
Period quality 2-
Spectral Class S
Spectral Class Score 18.834
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.6800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3428 0.2039 0.0351 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
15.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.453 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.4141 0.6730 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.75 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.973 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6011 0.6730 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9815 0.6730 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT