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115402 (2003 SR291)
Classification: Main-belt Asteroid          SPK-ID: 2115402
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08130407885159475 4.8659e-08  
a 2.323163208305918 9.9796e-09 au
q 2.13428056363269 1.1272e-07 au
i 6.549077413241743 5.1269e-06 deg
node 320.231191261543 3.2158e-05 deg
peri 195.9254590869616 3.8577e-05 deg
M 176.9601285898426 2.1318e-05 deg
tp 2458564.743318487269
(2019-Mar-22.24331849)
7.5967e-05 TDB
period 1293.355781149225
3.54
8.3338e-06
2.282e-08
d
yr
n .2783456843407141 1.7935e-09 deg/d
Q 2.512045852979147 1.0791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55534  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:24  

Additional Information
 Earth MOID = 1.14484 au 
 Jupiter MOID = 2.48104 au 
 T_jup = 3.563 
[ 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 15.75   n/a E2021B55  

115402 (2003 SR291)          Discovered 2003-Sep-30 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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