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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2741401006352591 3.2149e-07  
a 2.527072716612297 1.4287e-08 au
q 1.834300747767585 8.188e-07 au
i 13.58273735837597 4.5329e-06 deg
node 100.9859399782564 2.1359e-05 deg
peri 292.3816216851593 2.299e-05 deg
M 158.6483043447858 2.271e-05 deg
tp 2458353.866844067444
(2018-Aug-23.36684407)
9.5019e-05 TDB
period 1467.320669433748
4.02
1.2443e-05
3.407e-08
d
yr
n .2453451433618306 2.0806e-09 deg/d
Q 3.21984468545701 1.8204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1060  
   data-arc span      10699 days (29.29 yr)  
   first obs. used      1991-01-13  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:51:47  

Additional Information
 Earth MOID = .890069 au 
 Jupiter MOID = 2.33588 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 14.5   n/a MPO469008  

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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