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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .003444907573178213 3.4069e-08  
a 2.291071660213284 9.0693e-09 au
q 2.283179130100322 7.9187e-08 au
i 3.417429040399833 5.2071e-06 deg
node 346.5687766849586 6.1484e-05 deg
peri 273.7555652412665 0.00094008 deg
M 287.4284827668222 0.00093958 deg
tp 2457855.840755405836
(2017-Apr-12.34075541)
0.003306 JED
period 1266.6494438961
3.47
7.5211e-06
2.059e-08
d
yr
n .2842143907572977 1.6876e-09 deg/d
Q 2.298964190326247 9.1005e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1753  
   data-arc span      16994 days (46.53 yr)  
   first obs. used      1969-10-09  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49853  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:00:55  

Additional Information
 Earth MOID = 1.26969 au 
 Jupiter MOID = 2.66773 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 13.9 mag n/a MPO358709  
rotation period rot_per 4.0028 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

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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