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22435 Pierfederici (1996 GN7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2022435
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559136544608817 3.8289e-08  
a 3.216023987480612 2.1745e-08 au
q 2.714601934758653 1.2446e-07 au
i 2.069991157061347 3.8662e-06 deg
node 150.5230316524825 0.00011628 deg
peri 251.2238079622198 0.0001169 deg
M 265.0545721254049 1.4755e-05 deg
tp 2459756.082939426967
(2022-Jun-25.58293943)
8.9704e-05 TDB
period 2106.577037684038
5.77
2.1366e-05
5.85e-08
d
yr
n .1708933466756964 1.7332e-09 deg/d
Q 3.717446040202571 2.5136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      9308 days (25.48 yr)  
   first obs. used      1995-02-21  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51877  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:16  

Additional Information
 Earth MOID = 1.72298 au 
 Jupiter MOID = 1.69329 au 
 T_jup = 3.170 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO435909  
diameter diameter 7.426 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22435 Pierfederici           Discovered 1996 Apr. 12 by Spacewatch at Kitt Peak.
Francesco Pierfederici (b. 1973) developed software for the Pan-STARRS moving object processing system and Large Synoptic Survey Telescope. Name suggested by P. and R. Jedicke.
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 2017-03-12Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 1996 GN7 = 1999 XQ68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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