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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07810444382749036 7.2308e-08  
a 2.973553843730166 4.7828e-08 au
q 2.741306074574525 2.1269e-07 au
i 12.13472191269783 1.2822e-05 deg
node 63.89352876209605 2.8994e-05 deg
peri 240.1981409312594 9.0163e-05 deg
M 192.568244268401 8.9372e-05 deg
tp 2458271.558790397815
(2018-Jun-02.05879040)
0.00047275 JED
period 1872.889423950726
5.13
4.5187e-05
1.237e-07
d
yr
n .192216366538397 4.6376e-09 deg/d
Q 3.205801612885807 5.1564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      6230 days (17.06 yr)  
   first obs. used      1998-10-18  
   last obs. used      2015-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53365  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 18:22:38  

Additional Information
 Earth MOID = 1.74753 au 
 Jupiter MOID = 1.95928 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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