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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 ]

[ 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 .1835505917377667 6.5156e-08  
a 2.314255547771055 1.3528e-08 AU
q 1.889472572545269 1.5117e-07 AU
i 5.090352190609648 6.8392e-06 deg
node 11.17496706005393 6.7895e-05 deg
peri 343.4464815052008 6.9548e-05 deg
M 55.02486648863547 2.1234e-05 deg
tp 2456803.950522422873
(2014-May-26.45052242)
7.4842e-05 JED
period 1285.924281931327
3.52
1.1275e-05
3.087e-08
d
yr
n .2799542749587998 2.4547e-09 deg/d
Q 2.739038522996842 1.6011e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      21768 days (59.60 yr)  
   first obs. used      1954-11-23  
   last obs. used      2014-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54888  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:19:11  

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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