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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133089825125648 5.0157e-08  
a 2.414946751242035 1.4215e-08 AU
q 2.093541910431481 1.2118e-07 AU
i 6.804041486414095 5.5717e-06 deg
node 140.440173660473 4.7081e-05 deg
peri 149.4840002336015 5.2754e-05 deg
M 131.3772324985414 2.686e-05 deg
tp 2456500.261199953165
(2013-Jul-26.76119995)
0.00010002 JED
period 1370.754769239488
3.75
1.2103e-05
3.314e-08
d
yr
n .2626290333461561 2.3188e-09 deg/d
Q 2.73635159205259 1.6107e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1245  
   data-arc span      22493 days (61.58 yr)  
   first obs. used      1953-08-15  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47766  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:23:47  

Additional Information
 Earth MOID = 1.0819 AU 
 T_jup = 3.496 
[ 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 13.1 mag n/a MPO319160  

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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