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180877 (2005 JF90)
Classification: Main-belt Asteroid          SPK-ID: 2180877
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869029692907824 3.9847e-08  
a 2.639986167184975 1.7786e-08 au
q 2.146564913651511 1.0344e-07 au
i 8.985392196307179 5.2788e-06 deg
node 67.09308917829036 2.8549e-05 deg
peri 259.4762893590664 3.2447e-05 deg
M 155.2629845394625 1.6982e-05 deg
tp 2458524.780684949985
(2019-Feb-10.28068495)
7.0256e-05 TDB
period 1566.754330657462
4.29
1.5833e-05
4.335e-08
d
yr
n .2297743768475381 2.322e-09 deg/d
Q 3.133407420718439 2.111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      6698 days (18.34 yr)  
   first obs. used      2002-11-07  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:19  

Additional Information
 Earth MOID = 1.15501 au 
 Jupiter MOID = 2.25742 au 
 T_jup = 3.353 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO502983  
diameter diameter 2.539 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180877 (2005 JF90)          Discovered 2005-May-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 JF90 = 2006 UJ178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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