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JPL Small-Body Database Browser
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136650 (1995 HK2)
Classification: Main-belt Asteroid          SPK-ID: 2136650
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04126640582781577 7.8802e-08  
a 2.777514126242433 2.501e-08 au
q 2.662896101116421 2.1961e-07 au
i 6.109385124337083 5.2934e-06 deg
node 85.79406271896342 7.8077e-05 deg
peri 270.5126325964094 0.00010044 deg
M 291.9955980728209 6.359e-05 deg
tp 2458919.887096444950
(2020-Mar-11.38709645)
0.00029942 TDB
period 1690.763413275881
4.63
2.2837e-05
6.252e-08
d
yr
n .2129215697319203 2.8759e-09 deg/d
Q 2.892132151368445 2.6042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      8422 days (23.06 yr)  
   first obs. used      1995-04-25  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .544  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:25:15  

Additional Information
 Earth MOID = 1.66579 au 
 Jupiter MOID = 2.29688 au 
 T_jup = 3.325 
[ 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 15.9   n/a MPO439843  
diameter diameter 3.665 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136650 (1995 HK2)          Discovered 1995-Apr-25 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1995 HK2 = 2001 TO203 = 2003 AO45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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