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7282 (1989 BC)
Classification: Main-belt Asteroid          SPK-ID: 2007282
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357291729907333 8.5786e-08  
a 2.756058331057815 2.4571e-08 AU
q 2.381980813069117 2.4241e-07 AU
i 13.11650868190105 8.0432e-06 deg
node 99.59453785416079 3.7418e-05 deg
peri 98.91651609955211 4.9457e-05 deg
M 50.83729266549314 3.0185e-05 deg
tp 2456164.500573366803
(2012-Aug-25.00057337)		 0.00013982 JED
period 1671.210033684961
4.58		 2.2349e-05
6.119e-08		 d
yr
n .2154127804069081 2.8807e-09 deg/d
Q 3.130135849046513 2.7906e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      21436 days (58.69 yr)  
   first obs. used      1954-08-08  
   last obs. used      2013-04-16  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .59585  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:25:44  

Additional Information
 Earth MOID = 1.42163 AU 
 T_jup = 3.292 
[ 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 11.9 mag n/a PDS3 (MPC 28285)  

7282 (1989 BC)          Discovered 1989-Jan-29 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 BC = 1985 HU1 = 1992 XJ 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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