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JPL Small-Body Database Browser
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185833 (2000 AL221)
Classification: Main-belt Asteroid          SPK-ID: 2185833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2323510915774099 8.7375e-08  
a 2.361349417321123 1.5777e-08 au
q 1.812687302610879 2.0506e-07 au
i 1.975725653740889 8.1685e-06 deg
node 342.1664906836178 0.00017419 deg
peri 7.564604356497855 0.00017484 deg
M 323.7267403071801 2.2919e-05 deg
tp 2459134.043543308941
(2020-Oct-11.54354331)
8.54e-05 TDB
period 1325.37511098665
3.63
1.3283e-05
3.637e-08
d
yr
n .2716212165263952 2.7222e-09 deg/d
Q 2.910011532031367 1.9443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      7050 days (19.30 yr)  
   first obs. used      2000-01-05  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56972  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:47:03  

Additional Information
 Earth MOID = .80657 au 
 Jupiter MOID = 2.52038 au 
 T_jup = 3.513 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO470004  

185833 (2000 AL221)          Discovered 2000-Jan-08 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2000 AL221 = 2000 AW245 = 2002 RO86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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