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JPL Small-Body Database Browser
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447016 (2004 HK22)
Classification: Main-belt Asteroid          SPK-ID: 2447016
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2262695877534449 9.4377e-08  
a 2.697973581175162 2.1912e-08 au
q 2.087504211192973 2.5512e-07 au
i 6.50893479857932 8.9833e-06 deg
node 22.88348214448802 8.3961e-05 deg
peri 123.5361516054548 9.3499e-05 deg
M 180.8622183235186 2.6706e-05 deg
tp 2459405.951986672861
(2021-Jul-10.45198667)
0.00011817 TDB
period 1618.657507582046
4.43
1.9719e-05
5.399e-08
d
yr
n .2224065302966833 2.7094e-09 deg/d
Q 3.308442951157351 2.6869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      8060 days (22.07 yr)  
   first obs. used      1995-03-01  
   last obs. used      2017-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55562  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:43:43  

Additional Information
 Earth MOID = 1.10771 au 
 Jupiter MOID = 1.72523 au 
 T_jup = 3.322 
[ 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 17.3   n/a MPO368922  

447016 (2004 HK22)          Discovered 2004-Apr-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2004 HK22 = 2008 BG13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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