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120423 (2061 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2120423
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399924938033835 4.0031e-08  
a 2.317367550562045 9.2152e-09 au
q 1.992953488099826 9.3804e-08 au
i .168143928155658 4.1804e-06 deg
node 169.660125963461 0.0016353 deg
peri 208.7555115307011 0.0016354 deg
M 73.66965884345045 1.8055e-05 deg
tp 2458736.820135498807
(2019-Sep-10.32013550)		 6.4641e-05 TDB
period 1288.518946750473
3.53		 7.6859e-06
2.104e-08		 d
yr
n .279390536637344 1.6665e-09 deg/d
Q 2.641781613024264 1.0505e-08 au
   Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      16868 days (46.18 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5531  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 10:00:45  

Additional Information
 Earth MOID = .994832 au 
 Jupiter MOID = 2.81773 au 
 T_jup = 3.567 
[ 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 17.1   n/a MPO453675  

120423 (2061 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2061 T-2 = 2001 PK28 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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