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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007548208757666 3.4554e-08  
a 2.250891205720433 8.9854e-09 au
q 1.799013944905189 7.9881e-08 au
i 3.419206494212797 3.5285e-06 deg
node 53.83116567676176 6.9149e-05 deg
peri 241.2424113431538 6.9841e-05 deg
M 273.7919523237146 1.1483e-05 deg
tp 2458895.876195605150
(2020-Feb-16.37619561)
3.9954e-05 TDB
period 1233.474522206413
3.38
7.3859e-06
2.022e-08
d
yr
n .2918584806729851 1.7476e-09 deg/d
Q 2.702768466535677 1.0789e-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 = .785432 au 
 Jupiter MOID = 2.49728 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-January); 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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