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7127 Stifter (1991 RD3)
Classification: Main-belt Asteroid          SPK-ID: 2007127
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277517270675243 3.1921e-08  
a 3.080512399574909 1.8679e-08 au
q 2.3789203803188 1.0079e-07 au
i 8.648374085692339 3.8831e-06 deg
node 209.4501091629628 2.6365e-05 deg
peri 31.77789968432486 2.8391e-05 deg
M 215.2354411270987 1.4073e-05 deg
tp 2459794.631858730299
(2022-Aug-03.13185873)
8.2354e-05 TDB
period 1974.844335994612
5.41
1.7962e-05
4.918e-08
d
yr
n .1822928488278492 1.658e-09 deg/d
Q 3.782104418831018 2.2933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      11293 days (30.92 yr)  
   first obs. used      1989-03-02  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:21:12  

Additional Information
 Earth MOID = 1.372 au 
 Jupiter MOID = 1.24926 au 
 T_jup = 3.171 
[ 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 13.3   n/a MPO452269  
diameter diameter 12.550 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7127 Stifter (1991 RD3)          Discovered 1991-Sep-09 by Borngen, F., Schmadel, L. D. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1991 RD3 = 1989 EA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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