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JPL Small-Body Database Browser
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447307 (2005 WR144)
Classification: Main-belt Asteroid          SPK-ID: 2447307
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2639633768994902 1.0519e-07  
a 2.985885094214942 5.5722e-08 au
q 2.197720781712113 3.3435e-07 au
i 3.865546345241525 2.5845e-05 deg
node 41.0457791198473 0.00012301 deg
peri 294.6580137016874 0.0001467 deg
M 281.4567548922624 6.2726e-05 deg
tp 2459011.663356700167
(2020-Jun-11.16335670)
0.00032646 TDB
period 1884.551729547503
5.16
5.2754e-05
1.444e-07
d
yr
n .191026860316771 5.3474e-09 deg/d
Q 3.77404940671777 7.0431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      4965 days (13.59 yr)  
   first obs. used      2005-10-28  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5147  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:01  

Additional Information
 Earth MOID = 1.19081 au 
 Jupiter MOID = 1.63049 au 
 T_jup = 3.201 
[ 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 17.0   n/a MPO357071  

447307 (2005 WR144)          Discovered 2005-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

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