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14880 Moa (1991 CJ1)
Classification: Main-belt Asteroid          SPK-ID: 2014880
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07223452234651513 5.5165e-08  
a 2.557215289978407 1.2697e-08 au
q 2.372496064969612 1.3506e-07 au
i 10.89825023545818 3.7161e-06 deg
node 126.4539384311032 2.513e-05 deg
peri 279.8577819887053 3.757e-05 deg
M 143.6246435759388 2.6226e-05 deg
tp 2458404.596647460818
(2018-Oct-13.09664746)
0.00010973 TDB
period 1493.651796606056
4.09
1.1124e-05
3.046e-08
d
yr
n .2410200294459583 1.795e-09 deg/d
Q 2.741934514987203 1.3614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      10588 days (28.99 yr)  
   first obs. used      1991-02-07  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5231  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:06:28  

Additional Information
 Earth MOID = 1.41179 au 
 Jupiter MOID = 2.5138 au 
 T_jup = 3.408 
[ 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 14.3   n/a MPO467851  

14880 Moa           Discovered 1991 Feb. 7 by T. Seki at Geisei.
A giant flightless bird of New Zealand thought to have become extinct by A.D. 1400, MOA is also the acronym of the project Microlensing Observations in Astrophysics which involves New Zealand and Japanese universities.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

Alternate Designations
 1991 CJ1 = 1998 YL22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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