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JPL Small-Body Database Browser
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20907 (2762 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2020907
[ 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 .2410741614348494 4.8111e-08  
a 3.14479362301866 1.9446e-08 au
q 2.386665137463774 1.5138e-07 au
i 2.728376153974988 4.744e-06 deg
node 81.66378793730783 0.00011303 deg
peri 297.3872740750627 0.00011352 deg
M 153.5843348675694 1.1447e-05 deg
tp 2457731.477396751319
(2016-Dec-08.97739675)		 6.0625e-05 TDB
period 2036.979470850875
5.58		 1.8893e-05
5.173e-08		 d
yr
n .1767322671394538 1.6392e-09 deg/d
Q 3.902922108573546 2.4134e-08 au
   Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      21397 days (58.58 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:46:55  

Additional Information
 Earth MOID = 1.38981 au 
 Jupiter MOID = 1.55735 au 
 T_jup = 3.162 
[ 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 14.6   n/a MPO395203  
diameter diameter 6.709 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20907 (2762 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2762 P-L = 1999 RQ49 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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