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129535 (1996 HH7)
Classification: Main-belt Asteroid          SPK-ID: 2129535
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07466341750249184 6.3543e-08  
a 2.868459813745882 2.1778e-08 au
q 2.654290801083053 1.8468e-07 au
i 3.830305027691049 5.043e-06 deg
node 61.16621003648555 9.7736e-05 deg
peri 295.5167004631605 0.00010161 deg
M 200.1385790015899 2.7942e-05 deg
tp 2459788.475564577382
(2022-Jul-27.97556458)
0.00013841 TDB
period 1774.481932389922
4.86
2.0209e-05
5.533e-08
d
yr
n .202876114672603 2.3105e-09 deg/d
Q 3.08262882640871 2.3405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      8782 days (24.04 yr)  
   first obs. used      1996-04-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:45:09  

Additional Information
 Earth MOID = 1.65289 au 
 Jupiter MOID = 2.26782 au 
 T_jup = 3.291 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO426808  
diameter diameter 4.658 km 1.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129535 (1996 HH7)          Discovered 1996-Apr-19 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1996 HH7 = 2003 WN61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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