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27952 Atapuerca (1997 PR4)
Classification: Main-belt Asteroid          SPK-ID: 2027952
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08472471350335276 5.6984e-08  
a 2.377746820883413 1.5413e-08 au
q 2.176292902700558 1.3599e-07 au
i 5.78494586475833 5.8059e-06 deg
node 295.1063645634148 6.5404e-05 deg
peri 130.6448327224705 7.9386e-05 deg
M 276.7500991649646 4.6007e-05 deg
tp 2457710.190629960349
(2016-Nov-17.69062996)
0.00017254 JED
period 1339.20431937387
3.67
1.3021e-05
3.565e-08
d
yr
n .2688163372772827 2.6138e-09 deg/d
Q 2.579200739066268 1.6719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      875  
   data-arc span      9026 days (24.71 yr)  
   first obs. used      1990-10-10  
   last obs. used      2015-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54686  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:41:45  

Additional Information
 Earth MOID = 1.19456 au 
 Jupiter MOID = 2.63863 au 
 T_jup = 3.529 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO257059  

27952 Atapuerca           Discovered 1997 Aug. 11 by A. Lopez and R. Pacheco at Observatori Astronomic de Mallorca.
Atapuerca is a small mountain chain in the Spanish province of Burgos. Important human fossil deposits have been discovered there, among the most ancient found in Europe.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021120/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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