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JPL Small-Body Database Browser
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185631 (2008 CZ181)
Classification: Main-belt Asteroid          SPK-ID: 2185631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08602131842083181 5.3582e-08  
a 2.367734552919985 1.7732e-08 au
q 2.164058905007249 1.3235e-07 au
i 7.130090028188757 4.4866e-06 deg
node 92.81249901238697 4.6559e-05 deg
peri 167.414590811093 6.2463e-05 deg
M 44.27557370371785 4.6458e-05 deg
tp 2458836.833557963248
(2019-Dec-19.33355796)
0.00017071 TDB
period 1330.754504221892
3.64
1.4949e-05
4.093e-08
d
yr
n .2705232248757228 3.0388e-09 deg/d
Q 2.571410200832721 1.9257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7058 days (19.32 yr)  
   first obs. used      1999-12-27  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6699  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:24:56  

Additional Information
 Earth MOID = 1.14908 au 
 Jupiter MOID = 2.47309 au 
 T_jup = 3.531 
[ 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 16.4   n/a MPO475563  

185631 (2008 CZ181)          Discovered 2008-Feb-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2008 CZ181 = 1999 YR11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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