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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703282845900216 4.7046e-08  
a 2.296145859366037 1.1903e-08 au
q 1.905047273971739 1.0683e-07 au
i 23.91608023018635 5.6246e-06 deg
node 143.3727167634329 1.1101e-05 deg
peri 198.0882631755313 1.7477e-05 deg
M 188.6336480696073 1.5199e-05 deg
tp 2459605.451678996764
(2022-Jan-25.95167900)		 5.6165e-05 TDB
period 1270.859780730446
3.48		 9.8824e-06
2.706e-08		 d
yr
n .2832727933156282 2.2028e-09 deg/d
Q 2.687244444760335 1.3931e-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 = .902095 au 
 Jupiter MOID = 2.70302 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 15.9   n/a MPO453677  
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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