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18011 (1999 JQ113)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018011
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760088788342654 4.6721e-08  
a 3.223237372480894 1.8208e-08 au
q 2.655918976333829 1.4973e-07 au
i 1.804325004777468 4.4325e-06 deg
node 143.3849699508616 0.00012776 deg
peri 192.6284914935885 0.00012831 deg
M 175.2257408161068 1.441e-05 deg
tp 2458171.696896330046
(2018-Feb-22.19689633)
8.1121e-05 TDB
period 2113.668434764232
5.79
1.791e-05
4.903e-08
d
yr
n .1703199963054546 1.4432e-09 deg/d
Q 3.79055576862796 2.1413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1428  
   data-arc span      10605 days (29.03 yr)  
   first obs. used      1992-02-29  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:19:57  

Additional Information
 Earth MOID = 1.64449 au 
 Jupiter MOID = 1.59512 au 
 T_jup = 3.163 
[ 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 13.95   n/a E2021B10  
diameter diameter 7.204 km 0.712 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18011 (1999 JQ113)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JQ113 = 1992 DC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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