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JPL Small-Body Database Browser
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441922 (2010 HK45)
Classification: Main-belt Asteroid          SPK-ID: 2441922
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417904806126135 8.866e-08  
a 3.120094459257612 6.3801e-08 au
q 2.677694766322722 2.9778e-07 au
i 14.6558718786419 6.9075e-06 deg
node 260.9051929085199 3.9389e-05 deg
peri 83.47385269131136 6.353e-05 deg
M 180.7123618838124 3.9081e-05 deg
tp 2459603.031172761554
(2022-Jan-23.53117276)
0.00021794 TDB
period 2013.029040854844
5.51
6.1745e-05
1.69e-07
d
yr
n .1788349758963855 5.4853e-09 deg/d
Q 3.562494152192501 7.2847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      4982 days (13.64 yr)  
   first obs. used      2005-09-01  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:27:49  

Additional Information
 Earth MOID = 1.7192 au 
 Jupiter MOID = 1.9481 au 
 T_jup = 3.151 
[ 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 16.2   n/a MPO386693  
diameter diameter 3.991 km 1.344 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441922 (2010 HK45)          Discovered 2010-Apr-23 by WISE at WISE
Reference: Last Updated: 2015-09-02

[ 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
1918-May-05 11:54 00:08 Jupiter 1.97119897924083 1.97119694369693 1.9712010149081 5.34590567140974 5.26491302471458 2421718.995811990 8.29561049353283 949.306430491849 53.9379929856302 -85.1016382884476 1805444.05513453 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:27:51 2019-Jul-14 13:27
2001-Mar-27 06:05 00:01 Jupiter 1.99345577751068 1.9934544737368 1.99345708128536 5.44518733079967 5.36658754714725 2451995.753265453 1.1620249809131 178.408830780241 57.3305049026817 -81.4699650892745 1765444.26606696 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:27:51 2019-Jul-14 13:27
2073-Sep-11 10:22 00:06 Jupiter 1.99989196511551 1.99989046943172 1.99989346081022 4.46014011049486 4.36414728589383 2478461.932184849 5.49830033141537 428.440270668772 63.2810178064805 82.8708655725884 1593822.18547425 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:27:51 2019-Jul-14 13:27
2156-Aug-03 17:14 00:13 Jupiter 1.99646840973714 1.99646591314909 1.99647090646874 4.60411125157608 4.51102201137727 2508738.218079810 12.9386879097372 998.311638486748 63.8515633163625 82.3521029738634 1675959.26081459 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:27:51 2019-Jul-14 13:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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