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101740 (1999 FC7)
Classification: Main-belt Asteroid          SPK-ID: 2101740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980987774224913 4.6364e-08  
a 2.696279699347247 1.2787e-08 au
q 2.162149987317475 1.2729e-07 au
i 14.3109269499303 4.1707e-06 deg
node 23.12441386431236 1.5957e-05 deg
peri 337.1827379447066 1.8135e-05 deg
M 178.0699207430197 9.1092e-06 deg
tp 2458400.603301471523
(2018-Oct-09.10330147)
3.9501e-05 TDB
period 1617.133372490367
4.43
1.1504e-05
3.15e-08
d
yr
n .2226161466481914 1.5837e-09 deg/d
Q 3.230409411377019 1.5321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2077  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1999-02-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:33:47  

Additional Information
 Earth MOID = 1.16586 au 
 Jupiter MOID = 2.24562 au 
 T_jup = 3.297 
[ 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 13.95   n/a E2021B55  
rotation period rot_per 14.6229 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

101740 (1999 FC7)          Discovered 1999-Mar-20 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 FC7 = 2001 UE169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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