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134703 (1999 XM137)
Classification: Main-belt Asteroid          SPK-ID: 2134703
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709001166598721 6.2024e-08  
a 2.324803227441061 7.5588e-09 au
q 1.927494084660136 1.4774e-07 au
i 3.677004653599968 4.7631e-06 deg
node 144.8417140058267 6.0914e-05 deg
peri 237.5580885455657 6.1989e-05 deg
M 3.282492016117458 1.0483e-05 deg
tp 2459188.694648995103
(2020-Dec-05.19464900)
3.7684e-05 TDB
period 1294.725574622972
3.54
6.3145e-06
1.729e-08
d
yr
n .2780512002358747 1.3561e-09 deg/d
Q 2.722112370221985 8.8507e-09 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      7759 days (21.24 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:00:29  

Additional Information
 Earth MOID = .932016 au 
 Jupiter MOID = 2.73755 au 
 T_jup = 3.553 
[ 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 16.32   n/a E2021B55  

134703 (1999 XM137)          Discovered 1999-Dec-02 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 XM137 = 2002 NZ45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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