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181702 Forcalquier (1988 RC9)
Classification: Main-belt Asteroid          SPK-ID: 2181702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2484111329107375 5.7189e-08  
a 2.338705149848673 1.1088e-08 au
q 1.757744754030588 1.3758e-07 au
i 5.08185448701048 6.2213e-06 deg
node 161.7731448391532 4.7758e-05 deg
peri 173.809275275543 4.8635e-05 deg
M 16.14036867464771 9.461e-06 deg
tp 2459141.930355956023
(2020-Oct-19.43035596)
3.4109e-05 TDB
period 1306.3562723292
3.58
9.2904e-06
2.544e-08
d
yr
n .2755756661681037 1.9598e-09 deg/d
Q 2.919665545666757 1.3842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      11777 days (32.24 yr)  
   first obs. used      1988-09-11  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:40  

Additional Information
 Earth MOID = .746374 au 
 Jupiter MOID = 2.47173 au 
 T_jup = 3.519 
[ 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 16.75   n/a E2021B55  

181702 Forcalquier           Discovered 1988 Sept. 15 by E. W. Elst at Haute Provence.
Forcalquier is a French community in front of the Luberon Massif, in the Alpes-de Haute Provence department. In the Middle Ages it was the capital of Haute Provence. The St.-Michel Observatory is only 8 km away from the center of Forcalquier.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-03-23Last Updated: 2016-03-24

Alternate Designations
 1988 RC9 = 2006 RD22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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