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JPL Small-Body Database Browser
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487474 (2014 SG172)
Classification: Main-belt Asteroid          SPK-ID: 2487474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333890749986022 7.5855e-08  
a 3.066688856277769 7.9517e-08 au
q 2.657626066430356 2.5347e-07 au
i 1.548188147125389 8.5905e-06 deg
node 141.8980536373414 0.00030572 deg
peri 131.9269270523574 0.00030754 deg
M 19.19262908082008 3.8385e-05 deg
tp 2458495.923291418646
(2019-Jan-12.42329142)
0.00020681 TDB
period 1961.566335219291
5.37
7.6293e-05
2.089e-07
d
yr
n .183526803828306 7.1381e-09 deg/d
Q 3.475751646125182 9.0124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      4052 days (11.09 yr)  
   first obs. used      2007-03-09  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:10:44  

Additional Information
 Earth MOID = 1.64112 au 
 Jupiter MOID = 1.63028 au 
 T_jup = 3.218 
[ 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 16.9   n/a MPO440945  

487474 (2014 SG172)          Discovered 2012-Feb-16 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

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