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48973 (1998 QO39)
Classification: Main-belt Asteroid          SPK-ID: 2048973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2469021044582319 4.208e-08  
a 2.325144303683933 7.8513e-09 au
q 1.7510612819353 9.6644e-08 au
i 4.078576394157925 4.8338e-06 deg
node 109.2273819345071 7.0125e-05 deg
peri 283.4649645963395 7.0876e-05 deg
M 14.57904113289879 1.0523e-05 deg
tp 2458948.055523529785
(2020-Apr-08.55552353)
3.7745e-05 TDB
period 1295.01051250025
3.55
6.5593e-06
1.796e-08
d
yr
n .277990021335777 1.408e-09 deg/d
Q 2.899227325432566 9.7898e-09 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      10612 days (29.05 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:34:55  

Additional Information
 Earth MOID = .762747 au 
 Jupiter MOID = 2.54587 au 
 T_jup = 3.530 
[ 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 16.1   n/a MPO439426  

48973 (1998 QO39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QO39 = 1991 SJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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