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52290 (1990 SF)
Classification: Main-belt Asteroid          SPK-ID: 2052290
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2958130578534569 4.2078e-08  
a 3.098058472680357 2.2684e-08 au
q 2.18161232246797 1.3401e-07 au
i 16.45776976122236 4.7086e-06 deg
node 75.82439558858721 1.7625e-05 deg
peri 266.4465644996171 1.9257e-05 deg
M 196.5821593274391 1.199e-05 deg
tp 2460104.627771284923
(2023-Jun-09.12777128)
7.2656e-05 TDB
period 1991.740903704303
5.45
2.1876e-05
5.989e-08
d
yr
n .1807464009653367 1.9852e-09 deg/d
Q 4.014504622892743 2.9395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      11145 days (30.51 yr)  
   first obs. used      1990-09-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:39  

Additional Information
 Earth MOID = 1.24557 au 
 Jupiter MOID = 1.82729 au 
 T_jup = 3.093 
[ 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 14.05   n/a MPCxxxxx  

52290 (1990 SF)          Discovered 1990-Sep-17 by McNaught, R. H. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1990 SF = 2000 HW19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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