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35765 (1999 HR8)
Classification: Main-belt Asteroid          SPK-ID: 2035765
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1944166634985741 3.2651e-08  
a 2.350376874114371 1.0026e-08 au
q 1.893424444284847 7.6203e-08 au
i 1.383193911039279 3.6606e-06 deg
node 279.3141540019451 0.0002034 deg
peri 346.3247420259934 0.00020376 deg
M 156.3938859598803 1.3271e-05 deg
tp 2458028.729223028711
(2017-Oct-02.22922303)
4.7284e-05 TDB
period 1316.14786886533
3.60
8.4214e-06
2.306e-08
d
yr
n .2735254970327621 1.7502e-09 deg/d
Q 2.807329303943896 1.1975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1081  
   data-arc span      8724 days (23.89 yr)  
   first obs. used      1995-03-02  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:48:37  

Additional Information
 Earth MOID = .877192 au 
 Jupiter MOID = 2.27806 au 
 T_jup = 3.532 
[ 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 15.3   n/a MPO417058  
diameter diameter 6.168 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35765 (1999 HR8)          Discovered 1999-Apr-17 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 HR8 = 2000 SS259 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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