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4120 Denoyelle (1985 RS4)
Classification: Main-belt Asteroid          SPK-ID: 2004120
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08544693079731484 1.9554e-08  
a 3.158802224880135 1.5226e-08 au
q 2.888892269768398 6.5518e-08 au
i 6.725779470129761 5.0292e-07 deg
node 154.8420699208496 9.3089e-06 deg
peri 61.02036109927156 1.4295e-05 deg
M 227.7352288576573 1.2219e-05 deg
tp 2459953.896787033198
(2023-Jan-09.39678703)
7.0981e-05 TDB
period 2050.605319840326
5.61
1.4826e-05
4.059e-08
d
yr
n .1755579177118452 1.2693e-09 deg/d
Q 3.428712179991872 1.6527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2522  
   data-arc span      13875 days (37.99 yr)  
   first obs. used      1983-03-15  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:58:12  

Additional Information
 Earth MOID = 1.88942 au 
 Jupiter MOID = 1.55884 au 
 T_jup = 3.189 
[ 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 12.92   n/a MPCxxxxx  
diameter diameter 14.712 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4120 Denoyelle (1985 RS4)          Discovered 1985-Sep-14 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 RS4 = 1988 BR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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