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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593288350163725 4.8906e-08  
a 2.562213659024326 2.075e-08 AU
q 2.153979141668943 1.3088e-07 AU
i 8.354724109441573 5.8919e-06 deg
node 98.96139495999763 4.1448e-05 deg
peri 215.7513613760585 4.9075e-05 deg
M 9.583200564875057 3.1407e-05 deg
tp 2456760.622353728787
(2014-Apr-13.12235373)
0.00013046 JED
period 1498.033205133454
4.10
1.8197e-05
4.982e-08
d
yr
n .240315100337131 2.9192e-09 deg/d
Q 2.970448176379708 2.4056e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1305  
   data-arc span      21655 days (59.29 yr)  
   first obs. used      1955-03-22  
   last obs. used      2014-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47045  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:14:01  

Additional Information
 Earth MOID = 1.14498 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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