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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592209479504118 4.8913e-08  
a 2.561776092335818 2.0757e-08 AU
q 2.153887674477407 1.3089e-07 AU
i 8.354703538554205 5.8919e-06 deg
node 98.95971912383484 4.1451e-05 deg
peri 215.7159077181029 4.9089e-05 deg
M 57.68876914365636 3.1714e-05 deg
tp 2456760.506791760923
(2014-Apr-13.00679176)
0.00013051 JED
period 1497.649477507848
4.10
1.8202e-05
4.983e-08
d
yr
n .2403766738523191 2.9214e-09 deg/d
Q 2.969664510194229 2.4061e-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 = 1.14677 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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