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2366 Aaryn (1981 AC1)
Classification: Main-belt Asteroid          SPK-ID: 2002366
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268092226940205 2.8351e-08  
a 2.24039557855078 6.0836e-09 au
q 1.956292756707635 6.2963e-08 au
i 1.083549675743828 3.7016e-06 deg
node 308.1472140467035 0.0001871 deg
peri 111.252585150525 0.00018783 deg
M 319.8424770019773 1.6766e-05 deg
tp 2459137.131206468638
(2020-Oct-14.63120647)
5.7164e-05 TDB
period 1224.857278451454
3.35
4.9889e-06
1.366e-08
d
yr
n .2939117939153989 1.1971e-09 deg/d
Q 2.524498400393925 6.855e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2245  
   data-arc span      31676 days (86.72 yr)  
   first obs. used      1934-02-09  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:10:13  

Additional Information
 Earth MOID = .969015 au 
 Jupiter MOID = 2.76055 au 
 T_jup = 3.624 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO337267  

2366 Aaryn (1981 AC1)          Discovered 1981-Jan-10 by Thomas, N. G. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 AC1 = 1934 CC1 = 1949 PJ = 1971 DR = 1973 YM1 = 1976 QP1 = 1976 SM8 = 1978 ET2 = 1979 OK7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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