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6238 (1989 NM)
Classification: Main-belt Asteroid          SPK-ID: 2006238
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 .1592209626618464 4.5452e-08  
a 2.561776084020519 1.7966e-08 AU
q 2.153887629798677 1.1876e-07 AU
i 8.35470401295956 5.6002e-06 deg
node 98.95971754215969 4.1208e-05 deg
peri 215.715899954022 4.7372e-05 deg
M 57.68878301566617 2.6421e-05 deg
tp 2456760.506735219951
(2014-Apr-13.00673522)
0.00010917 JED
period 1497.649470215991
4.10
1.5754e-05
4.313e-08
d
yr
n .2403766750226812 2.5286e-09 deg/d
Q 2.969664538242362 2.0826e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      21744 days (59.53 yr)  
   first obs. used      1955-03-22  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46816  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:06:33  

Additional Information
 Earth MOID = 1.14677 AU 
 T_jup = 3.402 
[ 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 12.5 mag n/a PDS3 (MPC 24727)  

6238 (1989 NM)          Discovered 1989-Jul-02 by Helin, E. F. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 NM = 1972 JP = 1976 HH = 1977 TW6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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