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JPL Small-Body Database Browser
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80365 (1999 XF139)
Classification: Main-belt Asteroid          SPK-ID: 2080365
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344370908790297 5.4594e-08  
a 2.198912121717739 8.8961e-09 au
q 1.903296772975371 1.2359e-07 au
i 4.086227879905699 4.7724e-06 deg
node 77.77791403684942 6.0423e-05 deg
peri 332.2830599327269 6.1938e-05 deg
M 18.80255563349338 1.3417e-05 deg
tp 2458538.295096811054
(2019-Feb-23.79509681)
4.4282e-05 TDB
period 1190.995819107167
3.26
7.2276e-06
1.979e-08
d
yr
n .3022680636023349 1.8343e-09 deg/d
Q 2.494527470460106 1.0092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      9052 days (24.78 yr)  
   first obs. used      1994-04-10  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51518  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:42:16  

Additional Information
 Earth MOID = .914552 au 
 Jupiter MOID = 2.83899 au 
 T_jup = 3.651 
[ 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 16.0   n/a MPO453226  
diameter diameter 1.880 km 0.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.239   0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80365 (1999 XF139)          Discovered 1999-Dec-06 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XF139 = 2002 UF22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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