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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2179719887567763 4.4118e-08  
a 2.640120518201426 1.6241e-08 au
q 2.06464819829149 1.1998e-07 au
i 2.777310053070165 5.1773e-06 deg
node 153.1029253454242 0.00012552 deg
peri 172.4314878251907 0.00012641 deg
M 283.6922195599903 1.7695e-05 deg
tp 2459332.624088888770
(2021-Apr-28.12408889)
7.8715e-05 TDB
period 1566.873932258511
4.29
1.4458e-05
3.958e-08
d
yr
n .229756837859375 2.12e-09 deg/d
Q 3.215592838111362 1.9781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      8985 days (24.60 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:34:08  

Additional Information
 Earth MOID = 1.05286 au 
 Jupiter MOID = 2.1319 au 
 T_jup = 3.360 
[ 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 16.4   n/a MPO469696  

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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