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52938 (1998 SW136)
Classification: Main-belt Asteroid          SPK-ID: 2052938
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1246336624503877 3.1937e-08  
a 2.38874232661765 8.4417e-09 au
q 2.091024621801032 7.4184e-08 au
i 7.260532642261677 3.5225e-06 deg
node 57.64347263480202 3.5172e-05 deg
peri 234.4200031990421 4.0338e-05 deg
M 74.86767239000844 1.9037e-05 deg
tp 2458920.057251471377
(2020-Mar-11.55725147)
7.1304e-05 TDB
period 1348.504451218629
3.69
7.1483e-06
1.957e-08
d
yr
n .266962411339964 1.4151e-09 deg/d
Q 2.686460031434267 9.4938e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      10095 days (27.64 yr)  
   first obs. used      1993-06-17  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:49:09  

Additional Information
 Earth MOID = 1.08268 au 
 Jupiter MOID = 2.46983 au 
 T_jup = 3.512 
[ 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 15.54   n/a E2021B10  

52938 (1998 SW136)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW136 = 2001 LC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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