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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594208988509447 5.0729e-08  
a 2.561985433275718 2.0151e-08 AU
q 2.153551412659876 1.3319e-07 AU
i 8.354718383808812 6.3533e-06 deg
node 98.96308699094251 4.3527e-05 deg
peri 215.8312890518954 5.1149e-05 deg
M 273.3933229290738 3.1276e-05 deg
tp 2456760.839844007109
(2014-Apr-13.33984401)		 0.00013206 JED
period 1497.833056639775
4.10		 1.7672e-05
4.838e-08		 d
yr
n .2403472125308949 2.8356e-09 deg/d
Q 2.97041945389156 2.3364e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1262  
   data-arc span      21216 days (58.09 yr)  
   first obs. used      1955-03-22  
   last obs. used      2013-04-22  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .50392  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:20:48  

Additional Information
 Earth MOID = 1.14544 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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