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7881 Schieferdecker (1992 RC7)
Classification: Main-belt Asteroid          SPK-ID: 2007881
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212961424141536 4.1805e-08  
a 2.933630225702719 1.4908e-08 au
q 2.577792196055416 1.2288e-07 au
i 2.797364459008544 4.6369e-06 deg
node 132.2238374551182 8.095e-05 deg
peri 246.7152437784458 8.2646e-05 deg
M 162.0724224469216 1.7608e-05 deg
tp 2458174.246890481985
(2018-Feb-24.74689048)
8.8125e-05 TDB
period 1835.297547452282
5.02
1.399e-05
3.83e-08
d
yr
n .1961534795814138 1.4952e-09 deg/d
Q 3.289468255350021 1.6716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2031  
   data-arc span      13734 days (37.60 yr)  
   first obs. used      1982-09-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:51:37  

Additional Information
 Earth MOID = 1.58141 au 
 Jupiter MOID = 2.17186 au 
 T_jup = 3.263 
[ 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 13.1   n/a MPO337322  
diameter diameter 6.426 km 0.361 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7881 Schieferdecker (1992 RC7)          Discovered 1992-Sep-02 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1992 RC7 = 1982 SD3 = 1990 FU4 = 1991 NZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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