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48923 (1998 OY11)
Classification: Main-belt Asteroid          SPK-ID: 2048923
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2287728037729225 3.693e-08  
a 2.376148678704245 8.8293e-09 au
q 1.832550483295749 8.9873e-08 au
i 2.813199797788324 4.0658e-06 deg
node 61.66174819634388 8.5656e-05 deg
peri 270.5995380238294 8.6147e-05 deg
M 335.188592642019 1.0799e-05 deg
tp 2459092.705694326836
(2020-Aug-31.20569433)
4.0367e-05 TDB
period 1337.854377977622
3.66
7.4568e-06
2.042e-08
d
yr
n .2690875822704984 1.4998e-09 deg/d
Q 2.91974687411274 1.0849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      10453 days (28.62 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:50:23  

Additional Information
 Earth MOID = .824816 au 
 Jupiter MOID = 2.45323 au 
 T_jup = 3.504 
[ 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 15.6   n/a MPO474368  

48923 (1998 OY11)          Discovered 1998-Jul-22 by Broughton, J. at Reedy Creek
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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