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120713 (1997 QO2)
Classification: Main-belt Asteroid          SPK-ID: 2120713
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1704918119006516 4.7053e-08  
a 2.295796702033009 1.1889e-08 au
q 1.904382162547861 1.0683e-07 au
i 23.91692718011928 5.6248e-06 deg
node 143.3742673404024 1.1102e-05 deg
peri 198.1119177618479 1.7465e-05 deg
M 245.2716249604435 1.5411e-05 deg
tp 2459605.417838711365
(2022-Jan-25.91783871)
5.6104e-05 TDB
period 1270.569916865223
3.48
9.8698e-06
2.702e-08
d
yr
n .2833374182887941 2.201e-09 deg/d
Q 2.687211241518157 1.3916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      8277 days (22.66 yr)  
   first obs. used      1997-08-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:39:51  

Additional Information
 Earth MOID = .899547 au 
 Jupiter MOID = 2.70349 au 
 T_jup = 3.463 
[ 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 16.00   n/a E2021B55  
diameter diameter 4.189 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120713 (1997 QO2)          Discovered 1997-Aug-30 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1997 QO2 = 2004 NW6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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