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39731 (1996 XL14)
Classification: Main-belt Asteroid          SPK-ID: 2039731
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0391823580856546 4.6204e-08  
a 2.589211001118755 1.5414e-08 au
q 2.487759608513604 1.1995e-07 au
i 5.137210098982097 5.0454e-06 deg
node 89.45448762010716 6.7981e-05 deg
peri 8.692400113235568 0.00010942 deg
M 234.9124951327825 8.46e-05 deg
tp 2459529.262955247641
(2021-Nov-10.76295525)
0.00035771 TDB
period 1521.772011450827
4.17
1.3589e-05
3.72e-08
d
yr
n .2365663169588611 2.1125e-09 deg/d
Q 2.690662393723906 1.6018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      9613 days (26.32 yr)  
   first obs. used      1993-01-26  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:08:13  

Additional Information
 Earth MOID = 1.50472 au 
 Jupiter MOID = 2.36689 au 
 T_jup = 3.414 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456454.5 (2013-Jun-11.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04028589683777758 4.5944e-08  
q 2.486457593528273 1.1972e-07 au
tp 2456476.680447290283
(2013-Jul-03.18044729)
0.00034881 TDB
node 89.4851899619224 6.7957e-05 deg
peri 6.778911672271649 0.00010777 deg
i 5.137972467915801 5.0438e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      9613 days (26.32 yr)  
   first obs. used      1993-01-26  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:08:13  

Additional Information
 Jupiter MOID = 2.36689 au 
 T_jup = 3.414 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.110896010069512E-15 -5.459357808881353E-15 5.451402672919164E-13 7.611244111667687E-15 8.008959199350602E-14 -2.269268897353315E-15
q -5.459357808881353E-15 1.433226108020485E-14 -1.484059886066334E-12 -2.059316260865634E-14 -2.258011458570792E-13 6.082780469260002E-15
tp 5.451402672919164E-13 -1.484059886066334E-12 1.216691119419495E-7 2.557611864103148E-10 2.922233482498781E-8 -8.037984570571339E-12
node 7.611244111667687E-15 -2.059316260865634E-14 2.557611864103148E-10 4.618101371244094E-9 -4.537237664870326E-9 2.63826614251728E-11
peri 8.008959199350602E-14 -2.258011458570792E-13 2.922233482498781E-8 -4.537237664870326E-9 1.16149234165162E-8 -2.817268707341574E-11
i -2.269268897353315E-15 6.082780469260002E-15 -8.037984570571339E-12 2.63826614251728E-11 -2.817268707341574E-11 2.543963801616384E-11

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 15.4   n/a MPO309461  

39731 (1996 XL14)          Discovered 1996-Dec-09 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 XL14 = 1998 HQ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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