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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893434962470198 1.0559e-08  
a 2.273475883352285 6.227e-09 au
q 1.843008010965081 2.4609e-08 au
i 6.46640203703397 3.0038e-07 deg
node 6.949959823412973 1.7761e-06 deg
peri 354.2648999722969 4.9316e-06 deg
M 171.1564305427721 3.7292e-06 deg
tp 2458605.215363292937
(2019-May-01.71536329)
1.213e-05 TDB
period 1252.085408272104
3.43
5.1442e-06
1.408e-08
d
yr
n .2875203221933599 1.1813e-09 deg/d
Q 2.703943755739488 7.4061e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      16992 days (46.52 yr)  
   first obs. used      1974-09-14  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44978  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:19:22  

Additional Information
 Earth MOID = .838708 au 
 Jupiter MOID = 2.74926 au 
 T_jup = 3.579 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.99   n/a E2021B10  
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

Alternate Designations
 1981 RG1 = 1974 RQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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