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152778 (1999 RF163)
Classification: Main-belt Asteroid          SPK-ID: 2152778
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601280165532288 5.0017e-08  
a 2.725970663446615 1.7205e-08 au
q 2.289466387926619 1.3748e-07 au
i 9.284465790751259 6.4919e-06 deg
node 186.9916358104291 2.3231e-05 deg
peri 133.7904192621878 2.7701e-05 deg
M 279.3087281230211 1.5841e-05 deg
tp 2459568.971798077249
(2021-Dec-20.47179808)		 7.3632e-05 TDB
period 1643.918161434437
4.50		 1.5564e-05
4.261e-08		 d
yr
n .2189890034950852 2.0733e-09 deg/d
Q 3.162474938966611 1.996e-08 au
   Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      8338 days (22.83 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:37  

Additional Information
 Earth MOID = 1.28705 au 
 Jupiter MOID = 2.2368 au 
 T_jup = 3.319 
[ 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 15.53   n/a E2021B55  

152778 (1999 RF163)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1999 RF163 = 1998 HZ73 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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