Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
129122 (2004 XA126)
Classification: Main-belt Asteroid          SPK-ID: 2129122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157756328229173 3.2422e-08  
a 3.010356203660036 2.3379e-08 au
q 2.535453462308716 1.0615e-07 au
i 11.04062489912515 6.3975e-06 deg
node 153.1260913181978 1.8494e-05 deg
peri 275.0061043756053 2.9628e-05 deg
M 341.1299968959363 2.1013e-05 deg
tp 2459100.498786132209
(2020-Sep-07.99878613)
0.00011157 TDB
period 1907.766671211763
5.22
2.2224e-05
6.085e-08
d
yr
n .1887023216373402 2.1983e-09 deg/d
Q 3.485258945011356 2.7068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58586  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 15:15:33  

Additional Information
 Earth MOID = 1.57898 au 
 Jupiter MOID = 1.91707 au 
 T_jup = 3.203 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO439818  
diameter diameter 3.689 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129122 (2004 XA126)          Discovered 2004-Dec-11 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2004 XA126 = 2000 AJ174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 05:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin