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6021 (1991 TM)
Classification: Main-belt Asteroid          SPK-ID: 2006021
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318741321991422 4.4563e-08  
a 2.416148917755684 1.3061e-08 au
q 2.097521375962757 1.0979e-07 au
i 6.801993797257678 5.2721e-06 deg
node 140.4288986688273 4.0416e-05 deg
peri 149.6300277315787 4.7125e-05 deg
M 288.6546484890429 2.7708e-05 deg
tp 2457872.361153625963
(2017-Apr-28.86115363)
0.00010689 JED
period 1371.778444322557
3.76
1.1123e-05
3.045e-08
d
yr
n .262433049221577 2.128e-09 deg/d
Q 2.734776459548611 1.4784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1478  
   data-arc span      22889 days (62.67 yr)  
   first obs. used      1953-08-15  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47236  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:54:21  

Additional Information
 Earth MOID = 1.08431 au 
 Jupiter MOID = 2.43448 au 
 T_jup = 3.495 
[ 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 13.2 mag n/a MPO358689  

6021 (1991 TM)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 TM = 1957 SK = 1983 ND1 = 1986 EF4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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