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9766 Bradbury (1992 DZ2)
Classification: Main-belt Asteroid          SPK-ID: 2009766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08233240348979602 3.3157e-08  
a 2.451250105840204 7.9752e-09 au
q 2.249432793071763 8.1541e-08 au
i 1.27499767994966 3.8084e-06 deg
node 53.05521220762497 0.00019557 deg
peri 60.62955950657213 0.0001982 deg
M 220.8703616750454 3.1235e-05 deg
tp 2459742.247630410513
(2022-Jun-11.74763041)
0.00012179 TDB
period 1401.78001823213
3.84
6.8411e-06
1.873e-08
d
yr
n .2568163301785524 1.2533e-09 deg/d
Q 2.653067418608645 8.6318e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1923  
   data-arc span      24299 days (66.53 yr)  
   first obs. used      1954-04-08  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:36:34  

Additional Information
 Earth MOID = 1.26614 au 
 Jupiter MOID = 2.40573 au 
 T_jup = 3.490 
[ 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 14.31   n/a E2021B10  
diameter diameter 5.562 km 1.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.137   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

9766 Bradbury           Discovered 1992 Feb. 24 by Spacewatch at Kitt Peak.
Ray Douglas Bradbury (b. 1920) is the critically acclaimed science fiction author whose works include The Martian Chronicles and The Illustrated Man. He has worked in television and as "Imagineer" of Disney's Spaceship Earth at the Epcot center in Florida. His work has inspired many young scientists and engineers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1959-Jan-26 22:29 < 00:01 Eunom 0.0343188432765537 0.0343134291363549 0.0343242574433965 5.35806942965278 5.35806935331264 2436595.436826172 0.332690873934516 274.090950223428 34.3416618374313 -10.1883149181879 32214.4322575589 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 21:36:42 2021-Apr-12 21:36

Alternate Designations
 1992 DZ2 = 1981 JX4 = 1988 FK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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