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30283 (2000 HS57)
Classification: Main-belt Asteroid          SPK-ID: 2030283
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054413785622508 2.8752e-08  
a 2.276978671635629 6.9308e-09 au
q 2.036890901541526 6.6567e-08 au
i 6.799790837399137 3.5222e-06 deg
node 60.55630564285101 3.3068e-05 deg
peri 226.1805034460999 4.1283e-05 deg
M 250.2246857679191 2.7295e-05 deg
tp 2459383.182902250498
(2021-Jun-17.68290225)
9.582e-05 TDB
period 1254.980190891755
3.44
5.73e-06
1.569e-08
d
yr
n .2868571174372034 1.3097e-09 deg/d
Q 2.517066441729732 7.6616e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1785  
   data-arc span      9902 days (27.11 yr)  
   first obs. used      1993-04-15  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:07:05  

Additional Information
 Earth MOID = 1.0273 au 
 Jupiter MOID = 2.59908 au 
 T_jup = 3.592 
[ 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 14.7   n/a MPO358912  
diameter diameter 2.451 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.511   0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30283 (2000 HS57)          Discovered 2000-Apr-24 by LONEOS at Anderson Mesa
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HS57 = 1998 XL45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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