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120288 (2004 HK61)
Classification: Main-belt Asteroid          SPK-ID: 2120288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206812528901407 4.6432e-08  
a 2.422075805918657 1.5144e-08 au
q 2.129776663065496 1.1977e-07 au
i 6.843971050555922 6.9123e-06 deg
node 347.9484443202601 3.3776e-05 deg
peri 292.1954982250118 4.7354e-05 deg
M 46.15921923891895 3.0153e-05 deg
tp 2458823.962904214227
(2019-Dec-06.46290421)
0.00011555 TDB
period 1376.829061036056
3.77
1.2913e-05
3.535e-08
d
yr
n .2614703670832617 2.4522e-09 deg/d
Q 2.714374948771818 1.6972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      8459 days (23.16 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63459  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:57:51  

Additional Information
 Earth MOID = 1.12491 au 
 Jupiter MOID = 2.44069 au 
 T_jup = 3.493 
[ 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 16.1   n/a MPO432704  

120288 (2004 HK61)          Discovered 2004-Apr-25 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 HK61 = 2001 SV92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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