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312709 (2010 PR49)
Classification: Main-belt Asteroid          SPK-ID: 2312709
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04728335007953727 9.8045e-08  
a 2.949178889800153 7.0881e-08 au
q 2.809731831906551 3.0761e-07 au
i 10.852606393875 1.2024e-05 deg
node 286.7760523396186 4.2139e-05 deg
peri 37.20862803773372 0.00011909 deg
M 31.56809423643045 0.00010469 deg
tp 2458838.283149444357
(2019-Dec-20.78314944)
0.00053983 TDB
period 1849.907877322491
5.06
6.6691e-05
1.826e-07
d
yr
n .1946042851177296 7.0157e-09 deg/d
Q 3.088625947693755 7.4232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      5001 days (13.69 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:15  

Additional Information
 Earth MOID = 1.8034 au 
 Jupiter MOID = 2.1231 au 
 T_jup = 3.241 
[ 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 15.8   n/a MPO440462  
diameter diameter 4.865 km 1.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.033   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

312709 (2010 PR49)          Discovered 2006-Dec-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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