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22494 Trillium (1997 JL)
Classification: Main-belt Asteroid          SPK-ID: 2022494
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08028964663171292 3.5997e-08  
a 2.472776278400978 1.163e-08 au
q 2.274237944808881 9.3762e-08 au
i 3.323721162615143 3.83e-06 deg
node 127.5714260271059 6.8661e-05 deg
peri 162.4529614401096 7.4157e-05 deg
M 282.0038274447966 2.7228e-05 deg
tp 2459308.213433586070
(2021-Apr-03.71343359)
0.00010716 TDB
period 1420.28554045496
3.89
1.002e-05
2.743e-08
d
yr
n .2534701577576303 1.7883e-09 deg/d
Q 2.671314611993075 1.2564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1018  
   data-arc span      10444 days (28.59 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:50:59  

Additional Information
 Earth MOID = 1.25824 au 
 Jupiter MOID = 2.44051 au 
 T_jup = 3.476 
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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 15.3   n/a MPO381443  

22494 Trillium           Discovered 1997 May 2 by Spacewatch at Kitt Peak.
Since 1937, the White Trillium (Trillium grandiflorum) has been the official flower of Canada's province of Ontario, where it is often found in forests. Name suggested and citation prepared by Robert Jedicke and Peter 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 2016-08-18Last Updated: 2016-11-23

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