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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205422352061088 2.8271e-08  
a 2.421774970373453 1.0813e-08 au
q 2.129848802278429 6.854e-08 au
i 6.844279228954269 6.215e-06 deg
node 347.9486009090107 3.108e-05 deg
peri 292.158048820771 4.2301e-05 deg
M 98.50948345614376 2.8257e-05 deg
tp 2458823.818191004491
(2019-Dec-06.31819100)
0.00010778 TDB
period 1376.572554039981
3.77
9.2197e-06
2.524e-08
d
yr
n .2615190888002726 1.7515e-09 deg/d
Q 2.713701138468477 1.2117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      9071 days (24.84 yr)  
   first obs. used      1996-03-12  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61086  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:38  

Additional Information
 Earth MOID = 1.12312 au 
 Jupiter MOID = 2.44014 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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