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19645 (1999 RE102)
Classification: Main-belt Asteroid          SPK-ID: 2019645
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 .1378772554946155 2.4535e-08  
a 3.100637598709775 1.7385e-08 au
q 2.673130196316257 8.0011e-08 au
i 16.40088366143034 5.0428e-07 deg
node 199.3270786618768 3.9049e-06 deg
peri 160.3730572283636 1.0645e-05 deg
M 311.5698224940405 8.2823e-06 deg
tp 2459468.780125284775
(2021-Sep-11.28012528)
4.6735e-05 TDB
period 1994.22860035222
5.46
1.6772e-05
4.592e-08
d
yr
n .1805209292136403 1.5183e-09 deg/d
Q 3.528145001103294 1.9782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1813  
   data-arc span      13523 days (37.02 yr)  
   first obs. used      1983-10-06  
   last obs. used      2020-10-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46918  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:00:16  

Additional Information
 Earth MOID = 1.67531 au 
 Jupiter MOID = 1.96503 au 
 T_jup = 3.145 
[ 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 12.81   n/a E2021B10  
diameter diameter 7.253 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.306   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19645 (1999 RE102)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RE102 = 1983 TF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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