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120283 (2004 HK35)
Classification: Main-belt Asteroid          SPK-ID: 2120283
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09838743456892141 3.4911e-08  
a 2.744568741904503 1.641e-08 au
q 2.474537664390467 9.5926e-08 au
i 5.725655003808003 4.0436e-06 deg
node 138.9315421968608 4.0468e-05 deg
peri 144.6554059279266 4.6484e-05 deg
M 122.5621456369289 2.2099e-05 deg
tp 2458435.090045047052
(2018-Nov-12.59004505)
0.0001015 TDB
period 1660.770401213756
4.55
1.4895e-05
4.078e-08
d
yr
n .2167668690006143 1.9441e-09 deg/d
Q 3.01459981941854 1.8025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      6682 days (18.29 yr)  
   first obs. used      2001-10-10  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:17  

Additional Information
 Earth MOID = 1.46084 au 
 Jupiter MOID = 2.12244 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457153.5 (2015-May-11.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09963582132166315 3.467e-08  
q 2.470804001505126 9.5431e-08 au
tp 2456777.482195279835
(2014-Apr-29.98219528)
0.00010083 TDB
node 139.0157938551858 4.0451e-05 deg
peri 145.2092871562303 4.6379e-05 deg
i 5.727191688386323 4.0455e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      6682 days (18.29 yr)  
   first obs. used      2001-10-10  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:17  

Additional Information
 Jupiter MOID = 2.12244 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.201994853369169E-15 -3.268472636890889E-15 -8.06872874705783E-14 -4.747087781195023E-15 -4.36908802043175E-14 -4.678895846916334E-16
q -3.268472636890889E-15 9.107148294121594E-15 7.618946346406971E-14 1.390805693797421E-14 9.577620694944561E-14 1.743952399211278E-15
tp -8.06872874705783E-14 7.618946346406971E-14 1.016692909607675E-8 4.209830854776693E-12 2.304102214806124E-9 -1.117915356607312E-12
node -4.747087781195023E-15 1.390805693797421E-14 4.209830854776693E-12 1.636268002937633E-9 -1.626763844561144E-9 1.65336103272559E-11
peri -4.36908802043175E-14 9.577620694944561E-14 2.304102214806124E-9 -1.626763844561144E-9 2.15101542628931E-9 -1.668138583906061E-11
i -4.678895846916334E-16 1.743952399211278E-15 -1.117915356607312E-12 1.65336103272559E-11 -1.668138583906061E-11 1.636615029799087E-11

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 MPO439777  
diameter diameter 3.028 km 0.786 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120283 (2004 HK35)          Discovered 2004-Apr-20 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 HK35 = 2005 MV30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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