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22716 (1998 SV9)
Classification: Main-belt Asteroid          SPK-ID: 2022716
[ 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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434002530421906 2.7728e-08  
a 3.127973439830188 1.3881e-08 au
q 2.679421257049287 8.6508e-08 au
i 1.695532538164472 3.472e-06 deg
node 161.5458995994672 0.00010011 deg
peri 151.7034210563007 0.00010099 deg
M 47.16075189415538 1.1835e-05 deg
tp 2458935.789461371695
(2020-Mar-27.28946137)		 6.6568e-05 TDB
period 2020.658918247649
5.53		 1.3451e-05
3.683e-08		 d
yr
n .1781597065932326 1.186e-09 deg/d
Q 3.576525622611088 1.5872e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1789  
   data-arc span      9096 days (24.90 yr)  
   first obs. used      1996-03-17  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:10:24  

Additional Information
 Earth MOID = 1.66358 au 
 Jupiter MOID = 1.69963 au 
 T_jup = 3.197 
[ 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 13.98   n/a E2021B10  
diameter diameter 11.184 km 3.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.039   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

22716 (1998 SV9)          Discovered 1998-Sep-16 by Visnjan at Visnjan
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SV9 = 1999 XC76 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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