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101829 (1999 JW28)
Classification: Main-belt Asteroid          SPK-ID: 2101829
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1341771093694308 5.7665e-08  
a 2.607815218529939 1.2878e-08 au
q 2.257906110737982 1.4614e-07 au
i 13.34864674105015 1.0073e-05 deg
node 36.85019000115232 1.701e-05 deg
peri 124.6106219232548 4.4529e-05 deg
M 97.60474987942567 3.7958e-05 deg
tp 2458783.455784201270
(2019-Oct-26.95578420)
0.00016154 TDB
period 1538.202985746192
4.21
1.1394e-05
3.12e-08
d
yr
n .2340393324781916 1.7335e-09 deg/d
Q 2.957724326321897 1.4605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      7719 days (21.13 yr)  
   first obs. used      1999-05-09  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:50  

Additional Information
 Earth MOID = 1.29088 au 
 Jupiter MOID = 2.07012 au 
 T_jup = 3.360 
[ 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 15.52   n/a E2021B55  

101829 (1999 JW28)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JW28 = 2001 VZ61 = 2003 ED60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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