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129656 (1998 QO16)
Classification: Main-belt Asteroid          SPK-ID: 2129656
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2754965992259042 4.0122e-08  
a 2.636969011515295 1.2171e-08 au
q 1.910493016578737 1.0948e-07 au
i 12.65325774887136 4.6265e-06 deg
node 159.3557469709369 2.2266e-05 deg
peri 137.5081509384902 2.4267e-05 deg
M 45.57356961490241 1.0201e-05 deg
tp 2458802.499397386918
(2019-Nov-14.99939739)
4.3694e-05 TDB
period 1564.069208162289
4.28
1.0829e-05
2.965e-08
d
yr
n .2301688429906396 1.5936e-09 deg/d
Q 3.363445006451852 1.5525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      9997 days (27.37 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:41:27  

Additional Information
 Earth MOID = .915782 au 
 Jupiter MOID = 2.0019 au 
 T_jup = 3.309 
[ 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 15.6   n/a MPO493742  
diameter diameter 4.106 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129656 (1998 QO16)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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