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181646 (2007 AM16)
Classification: Main-belt Asteroid          SPK-ID: 2181646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06401011141172917 4.5563e-08  
a 3.009516844388047 2.5417e-08 au
q 2.816877335883293 1.3203e-07 au
i 10.97625170216414 4.7018e-06 deg
node 131.8317273868038 2.6199e-05 deg
peri 95.39232564086969 4.8147e-05 deg
M 150.9266599991305 4.2897e-05 deg
tp 2458401.021010291185
(2018-Oct-09.52101029)
0.00022299 TDB
period 1906.968830403002
5.22
2.4158e-05
6.614e-08
d
yr
n .1887812712302805 2.3915e-09 deg/d
Q 3.202156352892801 2.7044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      6908 days (18.91 yr)  
   first obs. used      2002-02-12  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52042  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:27  

Additional Information
 Earth MOID = 1.83303 au 
 Jupiter MOID = 1.87848 au 
 T_jup = 3.219 
[ 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 15.16   n/a MPCxxxxx  

181646 (2007 AM16)          Discovered 2007-Jan-10 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2007 AM16 = 2005 WU184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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