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48422 Schrade (1988 VN7)
Classification: Main-belt Asteroid          SPK-ID: 2048422
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694582477459204 5.104e-08  
a 2.296151895968734 8.4123e-09 au
q 1.907050019119399 1.2075e-07 au
i 8.178235041944097 4.0352e-06 deg
node 62.13788874464717 4.1693e-05 deg
peri 328.0531711049931 4.4665e-05 deg
M 37.65704502371686 1.6148e-05 deg
tp 2458867.563853593310
(2020-Jan-19.06385359)
5.6771e-05 TDB
period 1270.864792398536
3.48
6.984e-06
1.912e-08
d
yr
n .2832716762265188 1.5567e-09 deg/d
Q 2.685253772818069 9.8378e-09 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      14265 days (39.06 yr)  
   first obs. used      1981-10-25  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:26:18  

Additional Information
 Earth MOID = .918728 au 
 Jupiter MOID = 2.75073 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457306.5 (2015-Oct-11.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703611005576205 5.1377e-08  
q 1.904756258659378 1.2171e-07 au
tp 2457594.929969253089
(2016-Jul-25.42996925)
5.4154e-05 TDB
node 62.1585280075397 4.171e-05 deg
peri 327.632794210445 4.4612e-05 deg
i 8.178342803154846 4.0375e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      14265 days (39.06 yr)  
   first obs. used      1981-10-25  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:26:18  

Additional Information
 Jupiter MOID = 2.75073 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.639628079610233E-15 -6.24515214425157E-15 -1.425187087409904E-12 4.373126984875895E-14 -4.135765212987887E-13 -8.670911625426398E-15
q -6.24515214425157E-15 1.481263475095763E-14 3.360032924752347E-12 -1.020332667232877E-13 9.695906538455797E-13 2.066877550294915E-14
tp -1.425187087409904E-12 3.360032924752347E-12 2.932614964408841E-9 -2.867042218500035E-11 8.970101132132605E-10 9.725163392824125E-12
node 4.373126984875895E-14 -1.020332667232877E-13 -2.867042218500035E-11 1.739732716196619E-9 -1.729902533476013E-9 -5.1117706108488E-11
peri -4.135765212987887E-13 9.695906538455797E-13 8.970101132132605E-10 -1.729902533476013E-9 1.990265216363966E-9 5.334123473446653E-11
i -8.670911625426398E-15 2.066877550294915E-14 9.725163392824125E-12 -5.1117706108488E-11 5.334123473446653E-11 1.630119533903103E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO302335  
diameter diameter 1.913 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.401   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48422 Schrade           Discovered 1988 Nov. 3 by F. Börngen at Tautenburg.
Engineer Hugo Schrade (1900-1974), employed by the firm Carl Zeiss Jena from 1929, became the highly esteemed head works manager during 1945-1966.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1988 VN7 = 1981 UJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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