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JPL Small-Body Database Browser
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71039 (1999 XZ73)
Classification: Main-belt Asteroid          SPK-ID: 2071039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946120350690126 4.3249e-08  
a 2.757080209204512 1.438e-08 au
q 2.220519218842723 1.2282e-07 au
i 3.394420796273493 4.2926e-06 deg
node 84.34686756896532 9.7216e-05 deg
peri 347.1373244366945 9.8413e-05 deg
M 88.49547609156417 1.4756e-05 deg
tp 2458189.453364878103
(2018-Mar-11.95336488)
6.7647e-05 TDB
period 1672.139584748657
4.58
1.3082e-05
3.582e-08
d
yr
n .215293031325559 1.6844e-09 deg/d
Q 3.293641199566301 1.7179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      7555 days (20.68 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49362  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:57:53  

Additional Information
 Earth MOID = 1.23511 au 
 Jupiter MOID = 1.997 au 
 T_jup = 3.313 
[ 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 14.7   n/a MPO324923  
rotation period rot_per 3.23 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

71039 (1999 XZ73)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XZ73 = 2001 FG117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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