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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07228562506870491 5.5186e-08  
a 2.557039120384152 1.205e-08 au
q 2.372201949242052 1.3505e-07 au
i 10.89829704504813 3.5609e-06 deg
node 126.4538256451414 2.4193e-05 deg
peri 279.7640575432063 3.5661e-05 deg
M 191.9373148376517 2.5136e-05 deg
tp 2459897.725532629762
(2022-Nov-14.22553263)
0.0001039 TDB
period 1493.497450098739
4.09
1.0557e-05
2.89e-08
d
yr
n .2410449378244332 1.7039e-09 deg/d
Q 2.741876291526252 1.2921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1635  
   data-arc span      10726 days (29.37 yr)  
   first obs. used      1991-02-07  
   last obs. used      2020-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5015  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:41:19  

Additional Information
 Earth MOID = 1.41062 au 
 Jupiter MOID = 2.5139 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 14.27   n/a MPCxxxxx  
rotation period rot_per 13.7585 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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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