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103061 (1999 XZ138)
Classification: Main-belt Asteroid          SPK-ID: 2103061
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06740162502820544 5.1849e-08  
a 2.130154609891432 7.7809e-09 au
q 1.986578727623426 1.1567e-07 au
i 2.494822540679509 2.5291e-06 deg
node 72.65933570536686 9.8913e-05 deg
peri 315.6114119057304 0.00010262 deg
M 339.0131617536758 2.8158e-05 deg
tp 2459266.700250206133
(2021-Feb-21.20025021)
8.9e-05 TDB
period 1135.573152777405
3.11
6.2219e-06
1.703e-08
d
yr
n .317020527580725 1.737e-09 deg/d
Q 2.273730492159437 8.3053e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1324  
   data-arc span      10917 days (29.89 yr)  
   first obs. used      1991-02-22  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:12  

Additional Information
 Earth MOID = .990653 au 
 Jupiter MOID = 2.95743 au 
 T_jup = 3.718 
[ 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 15.97   n/a E2021B55  

103061 (1999 XZ138)          Discovered 1999-Dec-05 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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