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JPL Small-Body Database Browser
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4115 Peternorton (1982 QS3)
Classification: Main-belt Asteroid          SPK-ID: 2004115
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03959895080252396 3.3617e-08  
a 3.001660395489549 1.4983e-08 au
q 2.882797793162674 1.0431e-07 au
i 9.569190635088169 3.8754e-06 deg
node 206.5457727014226 2.049e-05 deg
peri 290.7469076024748 5.1076e-05 deg
M 309.8994828467531 4.7534e-05 deg
tp 2459264.850701706259
(2021-Feb-19.35070171)
0.00025114 TDB
period 1899.506392781531
5.20
1.4222e-05
3.894e-08
d
yr
n .1895229209904559 1.419e-09 deg/d
Q 3.120522997816424 1.5577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2546  
   data-arc span      17288 days (47.33 yr)  
   first obs. used      1972-10-06  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44016  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:04:35  

Additional Information
 Earth MOID = 1.91093 au 
 Jupiter MOID = 1.90405 au 
 T_jup = 3.230 
[ 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 12.2   n/a MPO384790  
diameter diameter 14.422 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.166   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4115 Peternorton (1982 QS3)          Discovered 1982-Aug-29 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1982 QS3 = 1972 TX6 = 1977 RK5 = 1983 XJ = 1987 PE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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