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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1057168442774908 2.8032e-08  
a 2.277227358548792 6.1332e-09 au
q 2.036486068500648 6.4634e-08 au
i 6.799353011628503 3.3878e-06 deg
node 60.54981941905206 3.1005e-05 deg
peri 226.2481126909631 3.7127e-05 deg
M 3.778565374348385 2.1779e-05 deg
tp 2459383.325551146555
(2021-Jun-17.82555115)		 7.5927e-05 TDB
period 1255.185796026624
3.44		 5.0708e-06
1.388e-08		 d
yr
n .2868101289383648 1.1587e-09 deg/d
Q 2.517968648596936 6.7816e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1862  
   data-arc span      10293 days (28.18 yr)  
   first obs. used      1993-04-15  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51561  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 06:42:53  

Additional Information
 Earth MOID = 1.02666 au 
 Jupiter MOID = 2.59641 au 
 T_jup = 3.591 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.73   n/a E2021B10  
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

Alternate Designations
 2000 HS57 = 1998 XL45 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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