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JPL Small-Body Database Browser
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393881 (2005 TM57)
Classification: Main-belt Asteroid          SPK-ID: 2393881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07449615820519191 1.3259e-07  
a 3.12380283513331 5.9348e-08 au
q 2.891091524925392 4.3858e-07 au
i 12.39163432394929 1.4634e-05 deg
node 30.76845159674911 2.8988e-05 deg
peri 182.9503830328657 6.1842e-05 deg
M 48.24770452374644 5.0208e-05 deg
tp 2458730.229898966760
(2019-Sep-03.72989897)
0.00028077 TDB
period 2016.61897353228
5.52
5.7469e-05
1.573e-07
d
yr
n .1785166185208649 5.0874e-09 deg/d
Q 3.356514145341229 6.3769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4958 days (13.57 yr)  
   first obs. used      2005-10-01  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62055  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:02:14  

Additional Information
 Earth MOID = 1.88501 au 
 Jupiter MOID = 1.6065 au 
 T_jup = 3.175 
[ 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 16.0   n/a MPO472042  

393881 (2005 TM57)          Discovered 2005-Oct-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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