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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2527029535147707 3.6844e-08  
a 2.708063044377089 1.5698e-08 au
q 2.023727514758797 9.8418e-08 au
i 9.59406573792633 5.5275e-06 deg
node 25.63523061729907 2.6728e-05 deg
peri 260.3714304533351 2.9519e-05 deg
M 263.8033880060146 1.4289e-05 deg
tp 2459435.454530324905
(2021-Aug-08.95453032)
6.5945e-05 TDB
period 1627.745797604139
4.46
1.4154e-05
3.875e-08
d
yr
n .2211647546747655 1.9231e-09 deg/d
Q 3.392398573995381 1.9665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1450  
   data-arc span      10870 days (29.76 yr)  
   first obs. used      1990-05-03  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:54:02  

Additional Information
 Earth MOID = 1.03455 au 
 Jupiter MOID = 1.90033 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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