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69950 (1998 VW4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2069950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .2175115437764933 3.4417e-08  
a 3.220612951405803 2.1225e-08 au
q 2.520092456438958 1.1556e-07 au
i 8.304427123488262 5.1376e-06 deg
node 350.1224874439121 2.602e-05 deg
peri 70.78343399530378 2.87e-05 deg
M 302.6208196618519 1.2027e-05 deg
tp 2459536.979080676275
(2021-Nov-18.47908068)
7.0949e-05 TDB
period 2111.087476844367
5.78
2.0869e-05
5.714e-08
d
yr
n .1705282248834731 1.6858e-09 deg/d
Q 3.921133446372648 2.5842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      13676 days (37.44 yr)  
   first obs. used      1983-05-12  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:45:54  

Additional Information
 Earth MOID = 1.54691 au 
 Jupiter MOID = 1.58939 au 
 T_jup = 3.135 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.12   n/a E2021B10  

69950 (1998 VW4)          Discovered 1998-Nov-12 by Sarounova, L. at Ondrejov
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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