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JPL Small-Body Database Browser
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19553 (1999 JF71)
Classification: Main-belt Asteroid          SPK-ID: 2019553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128526196911478 5.6827e-08  
a 2.532785961194278 1.1283e-08 au
q 1.993675834237114 1.4729e-07 au
i 8.251200010125821 3.2627e-06 deg
node 112.2975304686159 4.0853e-05 deg
peri 231.8859616519219 4.1456e-05 deg
M 339.3191178819707 9.663e-06 deg
tp 2459085.079034007194
(2020-Aug-23.57903401)
3.9689e-05 TDB
period 1472.299492295134
4.03
9.8381e-06
2.694e-08
d
yr
n .2445154684111207 1.6339e-09 deg/d
Q 3.071896088151442 1.3684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1353  
   data-arc span      9744 days (26.68 yr)  
   first obs. used      1992-10-26  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:50:31  

Additional Information
 Earth MOID = .997527 au 
 Jupiter MOID = 2.35544 au 
 T_jup = 3.404 
[ 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 14.4   n/a MPO435880  
diameter diameter 3.829 km 0.966 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19553 (1999 JF71)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JF71 = 1992 UM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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