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JPL Small-Body Database Browser
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461340 (3073 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2461340
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3341332855790105 3.566e-07  
a 2.584024095807504 2.7412e-08 au
q 1.720615634660011 9.1888e-07 au
i 2.763910908999952 1.7622e-05 deg
node 43.46300684838847 0.00041447 deg
peri 312.8525472631482 0.00041963 deg
M 92.43797906961706 6.2632e-05 deg
tp 2458610.924885593949
(2019-May-07.42488559)
0.00026092 TDB
period 1517.201507408067
4.15
2.4142e-05
6.61e-08
d
yr
n .2372789627760199 3.7756e-09 deg/d
Q 3.447432556954998 3.6571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      15453 days (42.31 yr)  
   first obs. used      1973-09-24  
   last obs. used      2016-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65387  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 09:05:07  

Additional Information
 Earth MOID = .717985 au 
 Jupiter MOID = 2.00267 au 
 T_jup = 3.341 
[ 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 18.1   n/a MPO227538  

461340 (3073 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: Last Updated: 2016-02-25

[ show close-approach data ]
Alternate Designations
 3073 T-2 = 2002 RJ44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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