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8258 (1982 RW1)
Classification: Main-belt Asteroid          SPK-ID: 2008258
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835505930027686 6.374e-08  
a 2.314255547407255 1.3193e-08 AU
q 1.889472569320706 1.4737e-07 AU
i 5.090351884008435 6.7884e-06 deg
node 11.17497017837111 6.7008e-05 deg
peri 343.4464779556828 6.8659e-05 deg
M 55.02486722451167 2.0569e-05 deg
tp 2456803.950519840661
(2014-May-26.45051984)
7.2532e-05 JED
period 1285.924281628107
3.52
1.0996e-05
3.011e-08
d
yr
n .279954275024813 2.3939e-09 deg/d
Q 2.739038525493803 1.5614e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      21863 days (59.86 yr)  
   first obs. used      1954-11-23  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54987  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:12:21  

Additional Information
 Earth MOID = .885761 AU 
 T_jup = 3.554 
[ 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 14.3 mag n/a MPO266002  

8258 (1982 RW1)          Discovered 1982-Sep-15 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 RW1 = 1989 TZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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