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382432 (1999 RY187)
Classification: Main-belt Asteroid          SPK-ID: 2382432
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2738119694526717 8.156e-08  
a 2.738035530668075 1.7846e-08 au
q 1.988328629584458 2.2981e-07 au
i 3.067723566330031 1.2737e-05 deg
node 340.1596149746956 9.5682e-05 deg
peri 44.13650141184215 0.00010031 deg
M 186.3560997593865 2.6386e-05 deg
tp 2459798.704326479450
(2022-Aug-07.20432648)
0.00012641 TDB
period 1654.843948646767
4.53
1.6179e-05
4.43e-08
d
yr
n .2175431709403093 2.1268e-09 deg/d
Q 3.487742431751692 2.2732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      1999-09-09  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:42:43  

Additional Information
 Earth MOID = .993394 au 
 Jupiter MOID = 1.98577 au 
 T_jup = 3.294 
[ 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 16.8   n/a MPO427903  

382432 (1999 RY187)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

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