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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04091954486509124 7.8818e-08  
a 2.775920929854538 2.4495e-08 au
q 2.66233150882341 2.2005e-07 au
i 6.109386337684886 5.2924e-06 deg
node 85.79296714983602 7.8096e-05 deg
peri 271.2363437069739 0.00010061 deg
M 16.50790794996831 6.4019e-05 deg
tp 2458923.036234932042
(2020-Mar-14.53623493)
0.00030023 TDB
period 1689.308876023784
4.63
2.236e-05
6.122e-08
d
yr
n .2131049005362188 2.8207e-09 deg/d
Q 2.889510350885667 2.5498e-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 = 1.66633 au 
 Jupiter MOID = 2.29787 au 
 T_jup = 3.326 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2125-May-30 05:28 00:02 Ceres 0.0214936763153451 0.0214871397206833 0.0215002870285108 2.53526877349246 2.53526102070964 2497349.728116291 1.95370184939166 2042.14830903891 81.3133974915455 -81.1367938603704 38280.1218803364 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 05:25:18 2018-Dec-17 18:36
2192-Apr-28 10:26 00:05 Ceres 0.0456897340016035 0.0456221236079205 0.0457573439033374 2.80163263328078 2.80162933291478 2521789.934422991 5.21495021702784 3325.6498417353 81.5549722454494 -0.337414789077508 2077.28992387273 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 05:25:18 2018-Dec-17 18:36

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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