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52121 (4117 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2052121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102701627519164 3.8165e-08  
a 2.77797361975739 1.1813e-08 au
q 2.492671207803003 1.0707e-07 au
i 3.559308913780444 4.0926e-06 deg
node 353.6912725368459 5.0594e-05 deg
peri 341.3124547217743 5.3549e-05 deg
M 65.20194607581149 1.5664e-05 deg
tp 2459090.198826787108
(2020-Aug-28.69882679)
7.4041e-05 TDB
period 1691.182993655283
4.63
1.0787e-05
2.953e-08
d
yr
n .2128687441575465 1.3578e-09 deg/d
Q 3.063276031711778 1.3026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1136  
   data-arc span      22025 days (60.30 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49991  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:52:33  

Additional Information
 Earth MOID = 1.4824 au 
 Jupiter MOID = 2.26817 au 
 T_jup = 3.324 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.97   n/a E2021B10  

52121 (4117 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4117 P-L = 2000 EC62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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