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22898 Falce (1999 TF12)
Classification: Main-belt Asteroid          SPK-ID: 2022898
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352983593678626 3.9847e-08  
a 2.985230594498125 1.4547e-08 au
q 2.58133379272778 1.1914e-07 au
i 10.3414207849361 4.3425e-06 deg
node 200.8732665554238 1.9631e-05 deg
peri 135.9582748817371 2.3725e-05 deg
M 86.61610903591161 1.2657e-05 deg
tp 2458747.225359196490
(2019-Sep-20.72535920)
6.5679e-05 TDB
period 1883.932128856178
5.16
1.3771e-05
3.77e-08
d
yr
n .1910896865581738 1.3968e-09 deg/d
Q 3.389127396268471 1.6516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      9571 days (26.20 yr)  
   first obs. used      1994-11-28  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5385  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:29  

Additional Information
 Earth MOID = 1.58315 au 
 Jupiter MOID = 2.11265 au 
 T_jup = 3.220 
[ 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 14.46   n/a MPCxxxxx  

22898 Falce           Discovered 1999 Oct. 10 by S. Sposetti at Gnosca.
Renato Conedera (1922-1997), nicknamed Falce, was the discoverer's father-in-law.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

Alternate Designations
 1999 TF12 = 1997 GJ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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