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146501 (2001 SD41)
Classification: Main-belt Asteroid          SPK-ID: 2146501
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09249523337983698 5.7196e-08  
a 2.604175785405947 1.7033e-08 au
q 2.363301938372703 1.446e-07 au
i 14.48191960652316 7.8983e-06 deg
node 349.0440191670601 1.6805e-05 deg
peri 86.68963125336185 6.6914e-05 deg
M 93.68231794610004 5.8647e-05 deg
tp 2458601.053152105287
(2019-Apr-27.55315211)
0.00025104 TDB
period 1534.984065240915
4.20
1.506e-05
4.123e-08
d
yr
n .2345301219420138 2.301e-09 deg/d
Q 2.84504963243919 1.8609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      6824 days (18.68 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:55:20  

Additional Information
 Earth MOID = 1.43003 au 
 Jupiter MOID = 2.37618 au 
 T_jup = 3.362 
[ 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 15.6   n/a MPO412892  

146501 (2001 SD41)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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