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8022 Scottcrossfield (1990 VD7)
Classification: Main-belt Asteroid          SPK-ID: 2008022
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .003913429276117761 4.1884e-08  
a 2.290326383539476 1.1861e-08 AU
q 2.281363353218268 9.3236e-08 AU
i 3.418341049581744 5.9795e-06 deg
node 346.5676358228752 7.5486e-05 deg
peri 279.8002527118481 0.00089776 deg
M 110.8063718531934 0.00089393 deg
tp 2456610.821248566888
(2013-Nov-14.32124857)
0.0031443 JED
period 1266.031439976955
3.47
9.8344e-06
2.693e-08
d
yr
n .2843531279180184 2.2088e-09 deg/d
Q 2.299289413860684 1.1907e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1401  
   data-arc span      16547 days (45.30 yr)  
   first obs. used      1969-10-09  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49936  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:11:41  

Additional Information
 Earth MOID = 1.26923 AU 
 T_jup = 3.596 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO266000  

8022 Scottcrossfield           Discovered 1990 Nov. 10 by A. Mrkos at Klet.
Test pilot Albert Scott Crossfield (1921-2006) was the first X-15 pilot and made a total of 14 flights. In 1953 Crossfield was the first pilot to exceed Mach 2 in the D-558-II Skyrocket. While an NACA research pilot, he made a total of 87 flights in the rocket-powered X-1 and D-558-II research aircraft.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1990 VD7 = 1940 EE = 1969 TF3 = 1983 TP1 = 1990 UM6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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