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35783 (1999 JU20)
Classification: Main-belt Asteroid          SPK-ID: 2035783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007014248494704 3.4558e-08  
a 2.25109097908695 9.0747e-09 au
q 1.79929381211841 7.9904e-08 au
i 3.418457707432331 3.5278e-06 deg
node 53.82166258239362 6.9174e-05 deg
peri 241.1295122655622 6.9867e-05 deg
M 30.61245400632418 1.1732e-05 deg
tp 2458895.598030226012
(2020-Feb-16.09803023)
3.9961e-05 TDB
period 1233.638737712231
3.38
7.4596e-06
2.042e-08
d
yr
n .2918196300057955 1.7646e-09 deg/d
Q 2.70288814605549 1.0896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      11961 days (32.75 yr)  
   first obs. used      1986-08-11  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:55:29  

Additional Information
 Earth MOID = .786386 au 
 Jupiter MOID = 2.49817 au 
 T_jup = 3.598 
[ 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 14.4   n/a MPO436015  
diameter diameter 3.462 km 0.437 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 40.650 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.281   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

35783 (1999 JU20)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JU20 = 1986 PW5 = 1986 QU3 = 1986 SU1 = 2000 UL10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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