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173715 (2001 QD144)
Classification: Main-belt Asteroid          SPK-ID: 2173715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09763392781508409 1.1311e-07  
a 2.901455597288584 2.6518e-08 au
q 2.618175090944239 3.2761e-07 au
i 1.219610928746611 9.8192e-06 deg
node 337.0722674184002 0.00031399 deg
peri 20.55049083979072 0.00031544 deg
M 277.322167836868 3.0351e-05 deg
tp 2459415.080527609589
(2021-Jul-19.58052761)
0.00015401 TDB
period 1805.187509572917
4.94
2.4748e-05
6.776e-08
d
yr
n .1994252664008135 2.734e-09 deg/d
Q 3.18473610363293 2.9107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      10075 days (27.58 yr)  
   first obs. used      1991-09-05  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55948  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:13:08  

Additional Information
 Earth MOID = 1.61405 au 
 Jupiter MOID = 2.23496 au 
 T_jup = 3.279 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO433116  

173715 (2001 QD144)          Discovered 2001-Aug-21 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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