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7672 Hawking (1995 UO2)
Classification: Main-belt Asteroid          SPK-ID: 2007672
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0727367980157673 3.2994e-08  
a 2.252258245619292 7.7945e-09 au
q 2.088436192528335 7.4367e-08 au
i 6.880952751983537 3.9839e-06 deg
node 22.2967738217283 3.0152e-05 deg
peri 27.99148589301993 4.0993e-05 deg
M 88.3756851822972 2.799e-05 deg
tp 2458697.420893405913
(2019-Aug-01.92089341)
9.566e-05 TDB
period 1234.598386974965
3.38
6.409e-06
1.755e-08
d
yr
n .2915927995678648 1.5137e-09 deg/d
Q 2.416080298710249 8.3615e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1248  
   data-arc span      15075 days (41.27 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5208  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:35:16  

Additional Information
 Earth MOID = 1.10025 au 
 Jupiter MOID = 2.80978 au 
 T_jup = 3.613 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO452277  
diameter diameter 2.013 km 0.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.251   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7672 Hawking           Discovered 1995 Oct. 24 at Klet.
Named in honor of Stephen Hawking (b. 1942), theoretical physicist, professor of mathematics at Cambridge University. He is renowned for his research on cosmology and quantum gravitation theory, as well as on the physics of black holes. Besides his scientific work, he is also the author of the well-known popularizations A Brief History of Time and Black holes and Baby Universes and Other Essays.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980211/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1995 UO2 = 1978 UD8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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