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3943 Silbermann (1981 RG1)
Classification: Main-belt Asteroid          SPK-ID: 2003943
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1891885921544569 4.18e-08  
a 2.273709791113114 7.0619e-09 au
q 1.84354983676462 9.5568e-08 au
i 6.465698232652017 4.6629e-06 deg
node 6.954265396761529 3.3613e-05 deg
peri 354.2614390629551 3.5139e-05 deg
M 113.6663464344917 1.1636e-05 deg
tp 2458605.105726819200
(2019-May-01.60572682)
3.9705e-05 TDB
period 1252.278645439903
3.43
5.8342e-06
1.597e-08
d
yr
n .287475955380153 1.3393e-09 deg/d
Q 2.703869745461608 8.3979e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1873  
   data-arc span      16849 days (46.13 yr)  
   first obs. used      1974-09-14  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:55:48  

Additional Information
 Earth MOID = .840868 au 
 Jupiter MOID = 2.74845 au 
 T_jup = 3.578 
[ 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 13.9   n/a MPO347553  
diameter diameter 5.554 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3943 Silbermann (1981 RG1)          Discovered 1981-Sep-03 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 RG1 = 1974 RQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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