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JPL Small-Body Database Browser
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46851 (1998 QN39)
Classification: Main-belt Asteroid          SPK-ID: 2046851
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964736990422283 5.4532e-08  
a 2.464339057232733 1.4886e-08 au
q 1.980161246963981 1.3053e-07 au
i 2.773298231131872 4.7471e-06 deg
node 49.65331341110425 8.7103e-05 deg
peri 278.9838108877502 8.9209e-05 deg
M 229.5844878059394 2.7934e-05 deg
tp 2459512.389083331618
(2021-Oct-24.88908333)
0.00011352 TDB
period 1413.022629740322
3.87
1.2803e-05
3.505e-08
d
yr
n .2547729897759379 2.3085e-09 deg/d
Q 2.948516867501486 1.7811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      7848 days (21.49 yr)  
   first obs. used      1998-07-31  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:35:58  

Additional Information
 Earth MOID = .971306 au 
 Jupiter MOID = 2.40372 au 
 T_jup = 3.459 
[ 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 15.4   n/a MPO266176  

46851 (1998 QN39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/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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