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129609 (1997 YO16)
Classification: Main-belt Asteroid          SPK-ID: 2129609
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 .2177240319850562 7.1726e-08  
a 2.532355190963794 9.9414e-09 au
q 1.981000608368869 1.8337e-07 au
i 3.243184982722417 7.9565e-06 deg
node 283.3601682770078 7.6568e-05 deg
peri 186.3439215705528 7.7704e-05 deg
M 200.4265900358182 1.3523e-05 deg
tp 2459652.944211121154
(2022-Mar-14.44421112)
5.7419e-05 TDB
period 1471.923900456456
4.03
8.6676e-06
2.373e-08
d
yr
n .2445778615921387 1.4402e-09 deg/d
Q 3.083709773558718 1.2106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      21388 days (58.56 yr)  
   first obs. used      1960-10-17  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56566  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:06:42  

Additional Information
 Earth MOID = .997753 au 
 Jupiter MOID = 2.04908 au 
 T_jup = 3.414 
[ 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 15.7   n/a MPO436628  
diameter diameter 1.769 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129609 (1997 YO16)          Discovered 1997-Dec-31 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1997 YO16 = 1989 YW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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