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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790417835300661 7.1783e-08  
a 2.707884126353298 2.2966e-08 au
q 2.223059722778249 1.9482e-07 au
i 13.10731111930377 7.8001e-06 deg
node 251.106049931225 3.6299e-05 deg
peri 147.1883413164951 4.4744e-05 deg
M 155.9639366278435 3.2526e-05 deg
tp 2458295.376434419641
(2018-Jun-25.87643442)
0.00014105 TDB
period 1627.584485858711
4.46
2.0705e-05
5.669e-08
d
yr
n .2211866745645862 2.8138e-09 deg/d
Q 3.192708529928348 2.7077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      10449 days (28.61 yr)  
   first obs. used      1991-09-17  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:39:27  

Additional Information
 Earth MOID = 1.24361 au 
 Jupiter MOID = 2.23773 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 15.8   n/a MPO417628  
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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