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442121 (2010 TR177)
Classification: Main-belt Asteroid          SPK-ID: 2442121
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402910223626408 7.9239e-08  
a 3.1506662407296 8.9724e-08 au
q 2.708656052694187 2.7409e-07 au
i 8.519377476008065 7.7818e-06 deg
node 302.1848807004944 6.0542e-05 deg
peri 84.70706792913768 6.9802e-05 deg
M 254.0286768679171 4.3053e-05 deg
tp 2459601.795401134597
(2022-Jan-22.29540113)
0.00026402 TDB
period 2042.687946234763
5.59
8.7257e-05
2.389e-07
d
yr
n .176238372906434 7.5283e-09 deg/d
Q 3.592676428765014 1.0231e-07 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4864 days (13.32 yr)  
   first obs. used      2006-02-02  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64334  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:47  

Additional Information
 Earth MOID = 1.72999 au 
 Jupiter MOID = 1.97023 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 15.9   n/a MPO440830  

442121 (2010 TR177)          Discovered 2010-Oct-01 by CSS at Catalina
Reference: Last Updated: 2015-09-02

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