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181667 (2008 AU38)
Classification: Main-belt Asteroid          SPK-ID: 2181667
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3021331038638835 5.8139e-08  
a 2.600145463553717 1.8766e-08 au
q 1.814555444152636 1.5993e-07 au
i 4.586537640031005 7.0043e-06 deg
node 177.4125842901447 5.0134e-05 deg
peri 236.9666783961778 5.1546e-05 deg
M 71.79655959032087 1.1273e-05 deg
tp 2458895.081016473675
(2020-Feb-15.58101647)
4.5746e-05 TDB
period 1531.422044410885
4.19
1.6579e-05
4.539e-08
d
yr
n .2350756287686107 2.5449e-09 deg/d
Q 3.385735482954798 2.4435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      8249 days (22.58 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:44  

Additional Information
 Earth MOID = .829893 au 
 Jupiter MOID = 2.00907 au 
 T_jup = 3.345 
[ 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 16.52   n/a MPCxxxxx  

181667 (2008 AU38)          Discovered 2008-Jan-10 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2008 AU38 = 1998 RR35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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