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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0772817364090706 6.3358e-08  
a 2.975618846033298 4.6949e-08 au
q 2.74565785472029 1.9121e-07 au
i 12.13460122583919 8.9098e-06 deg
node 63.83048778711943 2.8688e-05 deg
peri 240.1818742929131 7.7864e-05 deg
M 231.0316986094029 7.9168e-05 deg
tp 2458272.152842329052
(2018-Jun-02.65284233)
0.00042134 JED
period 1874.840721567321
5.13
4.4371e-05
1.215e-07
d
yr
n .1920163114971435 4.5444e-09 deg/d
Q 3.205579837346306 5.0577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      6358 days (17.41 yr)  
   first obs. used      1998-10-18  
   last obs. used      2016-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53199  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 18:35:20  

Additional Information
 Earth MOID = 1.75324 au 
 Jupiter MOID = 1.95904 au 
 T_jup = 3.223 
[ 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 14.4 mag n/a MPO333421  

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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