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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592209546504008 4.3441e-08  
a 2.561776088465234 1.6371e-08 AU
q 2.15388765405923 1.1166e-07 AU
i 8.354704026554252 5.2768e-06 deg
node 98.95971861425564 4.1172e-05 deg
peri 215.7159033523633 4.6705e-05 deg
M 57.6887761826675 2.3572e-05 deg
tp 2456760.506763021577
(2014-Apr-13.00676302)
9.7747e-05 JED
period 1497.649474113653
4.10
1.4356e-05
3.93e-08
d
yr
n .2403766743970963 2.3042e-09 deg/d
Q 2.969664522871238 1.8978e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1391  
   data-arc span      21812 days (59.72 yr)  
   first obs. used      1955-03-22  
   last obs. used      2014-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46014  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:15:53  

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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