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160523 (1995 SN40)
Classification: Main-belt Asteroid          SPK-ID: 2160523
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181349555623152 4.2153e-08  
a 2.641098762440294 1.5749e-08 au
q 2.064982801259695 1.1587e-07 au
i 2.777449666206766 4.6639e-06 deg
node 153.0934303267933 0.00012411 deg
peri 172.3624423990228 0.00012503 deg
M 329.7124776145444 1.7877e-05 deg
tp 2459332.397522124462
(2021-Apr-27.89752212)
7.8513e-05 TDB
period 1567.744873961964
4.29
1.4023e-05
3.839e-08
d
yr
n .2296291992269236 2.054e-09 deg/d
Q 3.217214723620893 1.9185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5514  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:26:51  

Additional Information
 Earth MOID = 1.05123 au 
 Jupiter MOID = 2.13007 au 
 T_jup = 3.359 
[ 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 16.56   n/a E2021B55  

160523 (1995 SN40)          Discovered 1995-Sep-25 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1995 SN40 = 2007 HC14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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