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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1944485101243553 3.0778e-08  
a 2.350068365955813 9.5128e-09 au
q 1.893101073505327 7.2634e-08 au
i 1.383313924230896 3.6222e-06 deg
node 279.3141940256999 0.00017888 deg
peri 346.39916458 0.00017922 deg
M 265.7119108832844 1.328e-05 deg
tp 2459345.146208509590
(2021-May-10.64620851)
4.9651e-05 TDB
period 1315.888742955302
3.60
7.9899e-06
2.188e-08
d
yr
n .2735793599020312 1.6611e-09 deg/d
Q 2.807035658406299 1.1363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1261  
   data-arc span      9181 days (25.14 yr)  
   first obs. used      1995-03-02  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:08:45  

Additional Information
 Earth MOID = .877269 au 
 Jupiter MOID = 2.27917 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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