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91303 (1999 FG41)
Classification: Main-belt Asteroid          SPK-ID: 2091303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375735210701525 3.4631e-08  
a 2.223286676524984 8.3162e-09 au
q 1.917421300087085 7.9619e-08 au
i 3.301176029191423 3.6164e-06 deg
node 178.6862698661407 6.0145e-05 deg
peri 249.0102606720207 6.186e-05 deg
M 287.4632006883446 1.6166e-05 deg
tp 2459444.476228006019
(2021-Aug-17.97622801)
5.5223e-05 TDB
period 1210.853565578454
3.32
6.7938e-06
1.86e-08
d
yr
n .2973109302676243 1.6681e-09 deg/d
Q 2.529152052962883 9.4603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      9527 days (26.08 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:44:58  

Additional Information
 Earth MOID = .933597 au 
 Jupiter MOID = 2.73772 au 
 T_jup = 3.633 
[ 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 16.17   n/a E2021B10  

91303 (1999 FG41)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2014-Jan-28 02:15 < 00:01 Thisb 0.0350936108330471 0.0350922727518873 0.0350949489293905 4.123395676999 4.12339562988048 2456685.594023371 0.57374916648138 80.7834246054214 40.1727236339282 40.5722216867371 98238.9244537262 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 14:45:02 2021-Apr-13 14:45

Alternate Designations
 1999 FG41 = 2001 XD30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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