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70456 (1999 TZ20)
Classification: Main-belt Asteroid          SPK-ID: 2070456
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379318999145694 3.3174e-08  
a 2.611945211502177 8.86e-09 au
q 2.25167464600692 8.647e-08 au
i 2.511037276725496 3.6725e-06 deg
node 315.4359159424367 0.00010436 deg
peri .3193141375637004 0.00010564 deg
M 60.50123717603824 1.6891e-05 deg
tp 2458941.376813321434
(2020-Apr-01.87681332)		 7.225e-05 TDB
period 1541.858506675783
4.22		 7.8453e-06
2.148e-08		 d
yr
n .2334844594632442 1.188e-09 deg/d
Q 2.972215776997435 1.0082e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1999-09-14  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:40:59  

Additional Information
 Earth MOID = 1.23602 au 
 Jupiter MOID = 2.29542 au 
 T_jup = 3.394 
[ 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 15.37   n/a E2021B10  

70456 (1999 TZ20)          Discovered 1999-Oct-07 by Tucker, R. A. at Goodricke-Pigott
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 TZ20 = 2001 BD52 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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