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282357 (2003 HL1)
Classification: Main-belt Asteroid          SPK-ID: 2282357
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095820923974148 1.2861e-07  
a 2.418281286371009 2.3502e-08 AU
q 1.911452834367861 3.079e-07 AU
i 3.805136179487372 1.1444e-05 deg
node 47.79937446246146 0.00018488 deg
peri 248.6321819969006 0.00019015 deg
M 336.629861459137 3.7964e-05 deg
tp 2457089.669726742013
(2015-Mar-08.16972674)
0.00014508 JED
period 1373.594836461722
3.76
2.0024e-05
5.482e-08
d
yr
n .2620860172475119 3.8207e-09 deg/d
Q 2.925109738374157 2.8428e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      5539 days (15.16 yr)  
   first obs. used      1999-03-21  
   last obs. used      2014-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44851  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 18:30:21  

Additional Information
 Earth MOID = .900796 AU 
 T_jup = 3.482 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6 mag n/a MPO297473  

282357 (2003 HL1)          Discovered 2003-Apr-22 by McNaught, R. H. at Siding Spring (413)
Reference: 20110715/Numbers.arcLast Updated: 2011-07-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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