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22765 (1999 AR5)
Classification: Main-belt Asteroid          SPK-ID: 2022765
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07318048893382868 1.2684e-08  
a 2.968591941670928 1.5811e-08 au
q 2.751348931934426 4.4968e-08 au
i 10.45559014951093 3.7995e-07 deg
node 89.35380262521552 2.5345e-06 deg
peri 313.0527451502458 1.7704e-05 deg
M 184.0558448352273 2.0641e-05 deg
tp 2460113.554132925434
(2023-Jun-18.05413293)
0.00011018 TDB
period 1868.203507785339
5.11
1.4925e-05
4.086e-08
d
yr
n .1926984926962063 1.5395e-09 deg/d
Q 3.18583495140743 1.6968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1767  
   data-arc span      9429 days (25.82 yr)  
   first obs. used      1995-04-26  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51309  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:11:41  

Additional Information
 Earth MOID = 1.77277 au 
 Jupiter MOID = 2.13604 au 
 T_jup = 3.234 
[ 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 13.21   n/a E2021B10  
diameter diameter 7.365 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22765 (1999 AR5)          Discovered 1999-Jan-12 by Kobayashi, T. at Oizumi
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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