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385034 (2012 TW305)
Classification: Main-belt Asteroid          SPK-ID: 2385034
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03039348897974468 7.6637e-08  
a 2.665068258867179 5.1539e-08 au
q 2.584067536111032 2.05e-07 au
i 2.554494684551093 9.1995e-06 deg
node 323.1674677725376 0.00019819 deg
peri 314.1419092849355 0.00029367 deg
M 54.25679342285895 0.00020648 deg
tp 2458960.996119286736
(2020-Apr-21.49611929)
0.00091568 TDB
period 1589.135509442933
4.35
4.6098e-05
1.262e-07
d
yr
n .226538264270614 6.5714e-09 deg/d
Q 2.746068981623325 5.3105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1997-03-10  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:03:50  

Additional Information
 Earth MOID = 1.56658 au 
 Jupiter MOID = 2.2807 au 
 T_jup = 3.382 
[ 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 17.32   n/a E2021B25  

385034 (2012 TW305)          Discovered 2010-Feb-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2012 TW305 = 2010 CR176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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