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72804 Caldentey (2001 GQ)
Classification: Main-belt Asteroid          SPK-ID: 2072804
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07895435199473572 7.4146e-08  
a 2.971308854160421 4.8476e-08 AU
q 2.736711089003964 2.1686e-07 AU
i 12.13954904982766 1.3492e-05 deg
node 63.92090982253916 2.9343e-05 deg
peri 240.1229084978553 9.2415e-05 deg
M 115.6561113037159 9.0586e-05 deg
tp 2456399.483759262717
(2013-Apr-16.98375926)
0.00046688 JED
period 1870.768818235983
5.12
4.5781e-05
1.253e-07
d
yr
n .1924342529610137 4.7092e-09 deg/d
Q 3.205906619316878 5.2303e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      5969 days (16.34 yr)  
   first obs. used      1998-10-18  
   last obs. used      2015-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52991  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 19:00:58  

Additional Information
 Earth MOID = 1.74586 AU 
 T_jup = 3.224 
[ 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 14.3 mag n/a MPO319919  

72804 Caldentey           Discovered 2001 Apr. 11 by S. Sanchez at the Observatorio Astronomico de Mallorca.
Maria-Dolors Caldentey Rius (b. 1956) is a founding member of the Observatorio Astronomico de Mallorca. In 1991 she designed and managed the construction of the observatory. In 2003-2004 she did the same for the Planetarium of Mallorca and the Observatorio Astronomico of La Sagra in Granada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 GQ = 1999 XR200 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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