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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 
[ 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 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

[ 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
1978-Jun-23 20:18 < 00:01 Amphi 0.04851952306559 0.0485170974078992 0.0485219501750966 4.57639963897927 4.57639961308924 2443683.345992619 0.995029270162233 471.384038072943 47.9002434149144 76.3028478455491 147208.483969695 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:58:18 2020-Nov-12 17:58
2028-Jan-20 14:30 00:01 Iris 0.0286243232852692 0.0286185805271569 0.0286300665378083 5.85355438916687 5.85355435485707 2461791.104077010 1.06855989063761 344.882836377109 63.0345827883971 34.5450661753602 39844.6878095094 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 17:58:18 2020-Nov-12 17:58

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