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4835 (1989 BQ)
Classification: Jupiter Trojan          SPK-ID: 2004835
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2513784299110797 7.6509e-08  
a 5.192625489884334 1.0335e-07 au
q 3.887311447120958 4.0215e-07 au
i 19.571396139 8.0082e-06 deg
node 125.473131715318 2.3147e-05 deg
peri 355.312801769113 2.8243e-05 deg
M 109.4718059629459 1.5713e-05 deg
tp 2456086.247807555583
(2012-Jun-07.74780756)
0.00017904 JED
period 4321.941938549327
11.83
0.00012904
3.533e-07
d
yr
n .08329588993063501 2.4869e-09 deg/d
Q 6.497939532647709 1.2933e-07 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      13142 days (35.98 yr)  
   first obs. used      1979-07-13  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51561  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:25:15  

Additional Information
 Earth MOID = 2.90355 au 
 Jupiter MOID = 1.37857 au 
 T_jup = 2.824 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.6 mag n/a MPO309187  

4835 (1989 BQ)          Discovered 1989-Jan-29 by Iwamoto and Furuta at Tokushima
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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