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120852 (1998 OO15)
Classification: Main-belt Asteroid          SPK-ID: 2120852
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2741714171092467 3.5417e-08  
a 2.690833081584891 1.6624e-08 au
q 1.953083562402321 9.2515e-08 au
i 10.57200023619996 5.705e-06 deg
node 298.426213604789 2.5911e-05 deg
peri 302.4256097699343 2.8466e-05 deg
M 23.48684763786668 1.0939e-05 deg
tp 2458895.315730756548
(2020-Feb-15.81573076)
4.8926e-05 TDB
period 1612.235814336909
4.41
1.4941e-05
4.091e-08
d
yr
n .2232923973023533 2.0693e-09 deg/d
Q 3.428582600767462 2.1182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      8147 days (22.31 yr)  
   first obs. used      1998-06-30  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:16  

Additional Information
 Earth MOID = .963468 au 
 Jupiter MOID = 1.75175 au 
 T_jup = 3.293 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457420.5 (2016-Feb-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733605439575247 3.5483e-08  
q 1.955009807874072 9.2554e-08 au
tp 2457282.454498613479
(2015-Sep-16.95449861)
5.036e-05 TDB
node 298.4638682794346 2.5922e-05 deg
peri 302.2337925236638 2.8485e-05 deg
i 10.56869240607788 5.7037e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      8147 days (22.31 yr)  
   first obs. used      1998-06-30  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:16  

Additional Information
 Jupiter MOID = 1.75175 au 
 T_jup = 3.293 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.259031841036277E-15 -3.258354460905932E-15 -1.235839510402651E-13 3.592545333188019E-15 -3.692586919748771E-14 5.30843828641918E-16
q -3.258354460905932E-15 8.566167140031866E-15 1.913829653188984E-13 -1.236555241923188E-14 7.507296050099406E-14 -1.810011454035012E-15
tp -1.235839510402651E-13 1.913829653188984E-13 2.536139408929523E-9 -1.273465509124411E-11 6.158357883212867E-10 -3.997761930158369E-14
node 3.592545333188019E-15 -1.236555241923188E-14 -1.273465509124411E-11 6.719253446686483E-10 -6.635124713033167E-10 4.972599302061405E-11
peri -3.692586919748771E-14 7.507296050099406E-14 6.158357883212867E-10 -6.635124713033167E-10 8.114165490184662E-10 -4.894967424972924E-11
i 5.30843828641918E-16 -1.810011454035012E-15 -3.997761930158369E-14 4.972599302061405E-11 -4.894967424972924E-11 3.253213412212371E-11

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 15.3   n/a MPO469253  

120852 (1998 OO15)          Discovered 1998-Jul-20 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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