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JPL Small-Body Database Browser
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359297 (2009 HN77)
Classification: Main-belt Asteroid          SPK-ID: 2359297
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119815501548977 1.0956e-07  
a 2.717761532352228 4.4302e-08 au
q 2.392131571262929 2.7771e-07 au
i 7.810714023371926 1.0397e-05 deg
node 30.99431619769763 5.3729e-05 deg
peri 171.3051440449811 6.21e-05 deg
M 92.02408171101658 3.7255e-05 deg
tp 2458182.174403094794
(2018-Mar-04.67440309)
0.00016441 TDB
period 1636.497882791103
4.48
4.0014e-05
1.096e-07
d
yr
n .2199819527942241 5.3788e-09 deg/d
Q 3.043391493441526 4.961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5733 days (15.70 yr)  
   first obs. used      2004-02-12  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67572  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:15:44  

Additional Information
 Earth MOID = 1.38925 au 
 Jupiter MOID = 1.91455 au 
 T_jup = 3.336 
[ 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 16.6   n/a MPO440609  
diameter diameter 3.395 km 0.768 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359297 (2009 HN77)          Discovered 2009-Apr-22 by La Sagra at La Sagra
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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