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25554 Jayaranjan (1999 XG169)
Classification: Main-belt Asteroid          SPK-ID: 2025554
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152443815052748 3.9799e-08  
a 2.295020991386747 8.4975e-09 au
q 1.945159235833611 9.1617e-08 au
i 3.92594505902382 4.5145e-06 deg
node 31.54777153659627 5.8797e-05 deg
peri 24.98195326697459 6.0508e-05 deg
M 338.4248430564853 1.5948e-05 deg
tp 2459076.607925242558
(2020-Aug-15.10792524)
5.6449e-05 TDB
period 1269.926015326473
3.48
7.053e-06
1.931e-08
d
yr
n .2834810813033475 1.5744e-09 deg/d
Q 2.644882746939883 9.7929e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      15340 days (42.00 yr)  
   first obs. used      1978-11-01  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:33:55  

Additional Information
 Earth MOID = .957658 au 
 Jupiter MOID = 2.68827 au 
 T_jup = 3.577 
[ 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 14.7   n/a MPO337475  

25554 Jayaranjan           Discovered 1999 Dec. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Nirusan Jayaranjan (b. 1993) was awarded second place in the 2009 Intel International Science and Engineering Fair for his electrical and mechanical engineering project. He attends the College Sturgeon Heights Collegiate, Winnipeg, Manitoba, Canada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100428/MPCPages.arcLast Updated: 2010-06-03

Alternate Designations
 1999 XG169 = 1978 VY1 = 1985 WM = 1994 JS8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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