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52159 (4178 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2052159
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671034429883837 3.8666e-08  
a 2.384990389716513 7.8797e-09 au
q 1.986450284100677 9.0532e-08 au
i 3.254789176737051 3.4502e-06 deg
node 59.15432367599161 6.2862e-05 deg
peri 157.3463198543618 6.3537e-05 deg
M 152.9154739053133 9.19e-06 deg
tp 2458629.051218251415
(2019-May-25.55121825)
3.4243e-05 TDB
period 1345.328606553418
3.68
6.6672e-06
1.825e-08
d
yr
n .2675926151026252 1.3261e-09 deg/d
Q 2.78353049533235 9.1964e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      18191 days (49.80 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:20  

Additional Information
 Earth MOID = .978665 au 
 Jupiter MOID = 2.18376 au 
 T_jup = 3.515 
[ 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 15.59   n/a MPCxxxxx  

52159 (4178 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4178 T-1 = 1997 JB12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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