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70366 (1999 RQ198)
Classification: Main-belt Asteroid          SPK-ID: 2070366
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230811884826861 4.3147e-08  
a 2.350895186768089 1.0344e-08 au
q 2.061544213182446 1.0316e-07 au
i 4.824791904897225 4.8436e-06 deg
node 212.9272359457627 4.6988e-05 deg
peri 178.0569674977864 4.978e-05 deg
M 239.8149268943499 1.7764e-05 deg
tp 2459440.037929731447
(2021-Aug-13.53792973)
6.6334e-05 TDB
period 1316.583254596217
3.60
8.6891e-06
2.379e-08
d
yr
n .2734350438859322 1.8046e-09 deg/d
Q 2.640246160353732 1.1617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      8117 days (22.22 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:59  

Additional Information
 Earth MOID = 1.06704 au 
 Jupiter MOID = 2.77644 au 
 T_jup = 3.543 
[ 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 MPO381744  
diameter diameter 4.071 km 0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70366 (1999 RQ198)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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