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JPL Small-Body Database Browser
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35921 (1999 JU101)
Classification: Main-belt Asteroid          SPK-ID: 2035921
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03576449534385875 5.6968e-08  
a 2.209867369253665 1.1982e-08 au
q 2.130832578015447 1.2484e-07 au
i 7.120799701088224 5.4638e-06 deg
node 88.15632618305763 4.5174e-05 deg
peri 79.66886852044109 8.6214e-05 deg
M 75.47210331435521 7.2405e-05 deg
tp 2458348.945730197223
(2018-Aug-18.44573020)
0.00024124 TDB
period 1199.907424758027
3.29
9.7592e-06
2.672e-08
d
yr
n .3000231455960843 2.4402e-09 deg/d
Q 2.288902160491883 1.2411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      7382 days (20.21 yr)  
   first obs. used      1997-11-06  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55719  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-05 18:49:27  

Additional Information
 Earth MOID = 1.15092 au 
 Jupiter MOID = 2.694 au 
 T_jup = 3.647 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456342.5 (2013-Feb-19.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0358195777089512 5.6799e-08  
q 2.13026674380203 1.2449e-07 au
tp 2455950.490623211363
(2012-Jan-23.99062321)
0.00024157 TDB
node 88.19083745050979 4.516e-05 deg
peri 79.77019870179818 8.6335e-05 deg
i 7.122482346895004 5.4646e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      7382 days (20.21 yr)  
   first obs. used      1997-11-06  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55719  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-05 18:49:27  

Additional Information
 Jupiter MOID = 2.694 au 
 T_jup = 3.647 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.226095565758793E-15 -7.040915626537916E-15 -4.998666440472118E-12 -1.020230314782987E-14 -1.458495203244254E-12 -7.040615560059846E-15
q -7.040915626537916E-15 1.549857845832656E-14 1.093428773237052E-11 2.330112862157273E-14 3.201288070242678E-12 1.589189274202407E-14
tp -4.998666440472118E-12 1.093428773237052E-11 5.835504339148241E-8 -1.203787675111087E-11 1.780201934836511E-8 1.41879717792217E-11
node -1.020230314782987E-14 2.330112862157273E-14 -1.203787675111087E-11 2.03938198557061E-9 -2.027115979054937E-9 1.045262775660566E-10
peri -1.458495203244254E-12 3.201288070242678E-12 1.780201934836511E-8 -2.027115979054937E-9 7.453685031951513E-9 -9.95194963443335E-11
i -7.040615560059846E-15 1.589189274202407E-14 1.41879717792217E-11 1.045262775660566E-10 -9.95194963443335E-11 2.986136678896227E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO431905  

35921 (1999 JU101)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JU101 = 2000 TU45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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