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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07751648677195522 4.9155e-07  
a 2.562269284671488 5.8314e-08 au
q 2.363651171560064 1.3064e-06 au
i 12.5268429236699 9.7134e-06 deg
node 54.49516993300427 2.4287e-05 deg
peri 276.451118495889 0.00020792 deg
M 104.2459784834543 0.00023067 deg
tp 2458566.697158958276
(2019-Mar-24.19715896)
0.00097293 TDB
period 1498.081988839574
4.10
5.1142e-05
1.4e-07
d
yr
n .2403072746898577 8.2036e-09 deg/d
Q 2.760887397782913 6.2834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      4509 days (12.34 yr)  
   first obs. used      2007-09-15  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:10:56  

Additional Information
 Earth MOID = 1.394 au 
 Jupiter MOID = 2.48618 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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