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195577 (2002 JU99)
Classification: Main-belt Asteroid          SPK-ID: 2195577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08442869778174988 6.1917e-08  
a 2.73154115373196 2.2816e-08 au
q 2.500920691185113 1.6955e-07 au
i 13.8314080042449 6.1175e-06 deg
node 64.31361136307382 1.9283e-05 deg
peri 347.9433219161588 3.3733e-05 deg
M 209.3630889897819 2.9428e-05 deg
tp 2459890.483887996344
(2022-Nov-06.98388800)
0.00013937 TDB
period 1648.95972715369
4.51
2.066e-05
5.656e-08
d
yr
n .2183194617017147 2.7354e-09 deg/d
Q 2.962161616278808 2.4743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      7568 days (20.72 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:29:04  

Additional Information
 Earth MOID = 1.51341 au 
 Jupiter MOID = 2.38 au 
 T_jup = 3.307 
[ 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 15.3   n/a MPO338481  

195577 (2002 JU99)          Discovered 2002-May-12 by Kusnirak, P. at Ondrejov
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2002 JU99 = 2004 UH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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