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78453 Bullock (2002 RD26)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078453
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134644294225874 4.2513e-08  
a 3.208990481150222 2.5581e-08 au
q 2.776918222638203 1.3428e-07 au
i 5.963354568160578 4.1455e-06 deg
node 98.43767674898184 4.9723e-05 deg
peri 209.6207635556027 5.3016e-05 deg
M 65.89337128960442 1.7543e-05 deg
tp 2458616.182379135160
(2019-May-12.68237914)
0.00010297 TDB
period 2099.670130752133
5.75
2.5107e-05
6.874e-08
d
yr
n .171455503760985 2.0502e-09 deg/d
Q 3.641062739662241 2.9026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      8331 days (22.81 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:48  

Additional Information
 Earth MOID = 1.76403 au 
 Jupiter MOID = 1.60573 au 
 T_jup = 3.169 
[ 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 14.5   n/a MPO449493  
diameter diameter 6.092 km 0.680 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78453 Bullock           Discovered 2002 Sept. 3 by F. Bernardi at Campo Imperatore.
Sandra Annette Bullock (b. 1964) is an American actress and producer. She starred in many well-known movies such as "Speed", "While You Were Sleeping" and "Crash", and most recently "The Heat" and "Gravity". She has received many awards, including a Golden Globe Award for Best Actress.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-10-08Last Updated: 2015-01-12

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Alternate Designations
 2002 RD26 = 1998 YL20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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