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JPL Small-Body Database Browser
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344968 (2004 XT31)
Classification: Main-belt Asteroid          SPK-ID: 2344968
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05842750469104203 1.2282e-07  
a 2.602049346513816 4.1344e-08 au
q 2.450018096114057 3.3874e-07 au
i 21.41754253907775 1.1035e-05 deg
node 279.0173716118599 2.9311e-05 deg
peri 116.9499749237043 9.8715e-05 deg
M 209.4299417515823 9.3173e-05 deg
tp 2459241.721147873980
(2021-Jan-27.22114787)		 0.00040049 TDB
period 1533.104362978876
4.20		 3.654e-05
1e-07		 d
yr
n .2348176736647642 5.5966e-09 deg/d
Q 2.754080596913576 4.376e-08 au
   Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      6285 days (17.21 yr)  
   first obs. used      2001-01-04  
   last obs. used      2018-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70901  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:30:06  

Additional Information
 Earth MOID = 1.51352 au 
 Jupiter MOID = 2.53925 au 
 T_jup = 3.314 
[ 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 15.8   n/a MPO291953  

344968 (2004 XT31)          Discovered 2004-Dec-09 by CSS at Catalina
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1977-Aug-11 15:35 00:02 Amphi 0.0185243008954851 0.0185203581207943 0.0185282677877698 6.3786720350618 6.37867198640977 2443367.149333945 2.48877126885004 1184.03717543679 84.8758286409033 81.3328301159187 32271.400451134 T 9 CATAB v2.0e-lin.ifort 2019-Jul-13 19:30:07 2019-Jul-13 19:30
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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