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JPL Small-Body Database Browser
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35737 (1999 GN20)
Classification: Main-belt Asteroid          SPK-ID: 2035737
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2113538433168718 3.0004e-08  
a 2.358307814880588 9.3628e-09 au
q 1.859870394481362 7.1255e-08 au
i 5.336375934489113 5.051e-06 deg
node 177.3259629421463 3.81e-05 deg
peri 71.10845605095247 4.0226e-05 deg
M 272.0573441082647 1.3555e-05 deg
tp 2459323.644105714957
(2021-Apr-19.14410572)
5.0736e-05 TDB
period 1322.815155828345
3.62
7.8777e-06
2.157e-08
d
yr
n .2721468667892366 1.6207e-09 deg/d
Q 2.856745235279814 1.1342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      21653 days (59.28 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:09:59  

Additional Information
 Earth MOID = .854742 au 
 Jupiter MOID = 2.18954 au 
 T_jup = 3.517 
[ 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 15.6   n/a MPO309430  
diameter diameter 4.345 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35737 (1999 GN20)          Discovered 1999-Apr-15 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 GN20 = 2764 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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