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120511 (1993 TA20)
Classification: Main-belt Asteroid          SPK-ID: 2120511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07355403431545419 6.3269e-08  
a 2.517831808555354 1.2246e-08 au
q 2.332635121308332 1.5948e-07 au
i 2.774839164331425 3.6191e-06 deg
node 96.74006975398659 0.00012943 deg
peri 306.1118363559255 0.00013676 deg
M 220.0820381797068 4.4674e-05 deg
tp 2459567.665062032269
(2021-Dec-19.16506203)
0.00018175 TDB
period 1459.279564076693
4.00
1.0646e-05
2.915e-08
d
yr
n .2466970749554608 1.7998e-09 deg/d
Q 2.703028495802376 1.3147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      9311 days (25.49 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58314  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:48:15  

Additional Information
 Earth MOID = 1.34251 au 
 Jupiter MOID = 2.56329 au 
 T_jup = 3.452 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO325313  

120511 (1993 TA20)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1993 TA20 = 2001 TO52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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