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JPL Small-Body Database Browser
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447788 (2007 RU309)
Classification: Main-belt Asteroid          SPK-ID: 2447788
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07736063747975 5.4111e-07  
a 2.561527941456989 6.5119e-08 au
q 2.363366506983684 1.4391e-06 au
i 12.52820901581238 9.7647e-06 deg
node 54.49418662393618 2.7827e-05 deg
peri 276.2582300464027 0.00023211 deg
M 8.297159532948926 0.00025773 deg
tp 2458565.987691251003
(2019-Mar-23.48769125)
0.0010732 TDB
period 1497.431874161271
4.10
5.7102e-05
1.563e-07
d
yr
n .2404116048362068 9.1677e-09 deg/d
Q 2.759689375930293 7.0157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      4430 days (12.13 yr)  
   first obs. used      2007-09-15  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62118  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:22:55  

Additional Information
 Earth MOID = 1.39288 au 
 Jupiter MOID = 2.48602 au 
 T_jup = 3.397 
[ 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 16.5   n/a MPO349648  

447788 (2007 RU309)          Discovered 2007-Sep-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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