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100278 (1994 YN)
Classification: Main-belt Asteroid          SPK-ID: 2100278
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2742458797752174 3.2144e-07  
a 2.526873771240309 1.44e-08 au
q 1.833889050765589 8.1878e-07 au
i 13.58289146360724 4.4827e-06 deg
node 100.9844400318265 2.1359e-05 deg
peri 292.3621528867744 2.2958e-05 deg
M 207.755718821361 2.2532e-05 deg
tp 2459820.957781058805
(2022-Aug-29.45778106)
8.9725e-05 TDB
period 1467.147399245034
4.02
1.2541e-05
3.434e-08
d
yr
n .245374118636784 2.0974e-09 deg/d
Q 3.219858491715029 1.8349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      10738 days (29.40 yr)  
   first obs. used      1991-01-13  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:02  

Additional Information
 Earth MOID = .888776 au 
 Jupiter MOID = 2.33703 au 
 T_jup = 3.362 
[ 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 14.48   n/a E2021B55  

100278 (1994 YN)          Discovered 1994-Dec-28 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 YN = 1991 AC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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