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120676 (1997 AO16)
Classification: Main-belt Asteroid          SPK-ID: 2120676
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1791268366160276 7.1529e-08  
a 2.707679286322568 2.2855e-08 au
q 2.222661261192863 1.9405e-07 au
i 13.10775835757104 7.5766e-06 deg
node 251.1042634611443 3.5628e-05 deg
peri 147.1522628739381 4.3965e-05 deg
M 200.2565184783516 3.2728e-05 deg
tp 2459922.629198317960
(2022-Dec-09.12919832)
0.00015457 TDB
period 1627.3998094829
4.46
2.0604e-05
5.641e-08
d
yr
n .2212117746986764 2.8008e-09 deg/d
Q 3.192697311452274 2.6948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      10479 days (28.69 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .68104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:38  

Additional Information
 Earth MOID = 1.24233 au 
 Jupiter MOID = 2.23887 au 
 T_jup = 3.304 
[ 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 15.83   n/a E2021B55  
diameter diameter 2.185 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.161   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120676 (1997 AO16)          Discovered 1997-Jan-14 by Klet at Klet
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1997 AO16 = 2000 WB17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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