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173349 (1999 XD141)
Classification: Main-belt Asteroid          SPK-ID: 2173349
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753889953644673 4.6691e-08  
a 2.433808317747993 1.0192e-08 au
q 2.006945121988489 1.151e-07 au
i 11.59555503607299 5.7645e-06 deg
node 216.568896660121 2.2219e-05 deg
peri 195.3989223522297 2.7234e-05 deg
M 130.9266177132418 1.5946e-05 deg
tp 2458496.125140239724
(2019-Jan-12.62514024)
6.0147e-05 TDB
period 1386.845186143804
3.80
8.7115e-06
2.385e-08
d
yr
n .2595819660311177 1.6306e-09 deg/d
Q 2.860671513507498 1.198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      7514 days (20.57 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:27:07  

Additional Information
 Earth MOID = 1.01935 au 
 Jupiter MOID = 2.53022 au 
 T_jup = 3.457 
[ 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 16.3   n/a MPO475467  

173349 (1999 XD141)          Discovered 1999-Dec-03 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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