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19699 (1999 SC7)
Classification: Main-belt Asteroid          SPK-ID: 2019699
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2527281527875719 3.6126e-08  
a 2.707531467456388 1.513e-08 au
q 2.023262041071911 9.6971e-08 au
i 9.595065565527751 5.231e-06 deg
node 25.63219412446451 2.6469e-05 deg
peri 260.4194432783055 2.908e-05 deg
M 307.9994941701837 1.4267e-05 deg
tp 2459435.551898596533
(2021-Aug-09.05189860)
6.5269e-05 TDB
period 1627.266545669502
4.46
1.364e-05
3.734e-08
d
yr
n .2212298906765063 1.8544e-09 deg/d
Q 3.391800893840865 1.8954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1621  
   data-arc span      11233 days (30.75 yr)  
   first obs. used      1990-05-03  
   last obs. used      2021-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:03:04  

Additional Information
 Earth MOID = 1.03229 au 
 Jupiter MOID = 1.90045 au 
 T_jup = 3.298 
[ 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 13.8   n/a MPO384923  
diameter diameter 5.138 km 1.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19699 (1999 SC7)          Discovered 1999-Sep-29 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SC7 = 1990 JA1 = 1998 FD84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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