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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694582572102142 5.2157e-08  
a 2.296151894639133 8.5495e-09 au
q 1.907049996283654 1.235e-07 au
i 8.178234713383269 4.0815e-06 deg
node 62.13789060125618 4.1938e-05 deg
peri 328.0531696408224 4.4897e-05 deg
M 37.65704555634394 1.6177e-05 deg
tp 2458867.563851828507
(2020-Jan-19.06385183)
5.6864e-05 TDB
period 1270.864791294683
3.48
7.0979e-06
1.943e-08
d
yr
n .283271676472564 1.5821e-09 deg/d
Q 2.685253792994612 9.9983e-09 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      13970 days (38.25 yr)  
   first obs. used      1981-10-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:06:18  

Additional Information
 Earth MOID = .918728 au 
 Jupiter MOID = 2.75073 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457246.5 (2015-Aug-12.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703690195698537 5.2488e-08  
q 1.904704076588252 1.2444e-07 au
tp 2457594.941513589461
(2016-Jul-25.44151359)
5.4191e-05 TDB
node 62.1592338297449 4.1954e-05 deg
peri 327.6382320998935 4.4844e-05 deg
i 8.178467924037333 4.0839e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      13970 days (38.25 yr)  
   first obs. used      1981-10-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:06:18  

Additional Information
 Jupiter MOID = 2.75073 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.755006382573254E-15 -6.523854050969978E-15 -1.444863309093442E-12 4.649005609854391E-14 -4.148600508763281E-13 -9.131486575109271E-15
q -6.523854050969978E-15 1.548585362526255E-14 3.407566057625296E-12 -1.086334973956113E-13 9.726301315431466E-13 2.177588531583418E-14
tp -1.444863309093442E-12 3.407566057625296E-12 2.936669541597279E-9 -3.010483678204535E-11 8.984413250469936E-10 9.940683795780287E-12
node 4.649005609854391E-14 -1.086334973956113E-13 -3.010483678204535E-11 1.760178793997676E-9 -1.75045046699828E-9 -5.387914327067718E-11
peri -4.148600508763281E-13 9.726301315431466E-13 8.984413250469936E-10 -1.75045046699828E-9 2.011023013912133E-9 5.611761246705555E-11
i -9.131486575109271E-15 2.177588531583418E-14 9.940683795780287E-12 -5.387914327067718E-11 5.611761246705555E-11 1.667864191287615E-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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