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48897 (1998 LQ2)
Classification: Main-belt Asteroid          SPK-ID: 2048897
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861875789796551 4.4851e-08  
a 2.279898120527727 8.529e-09 au
q 1.855409409146404 9.9609e-08 au
i 6.758594596091037 4.9796e-06 deg
node 182.3261938089186 2.6787e-05 deg
peri 134.5921875700658 2.9449e-05 deg
M 157.6126695204158 1.1552e-05 deg
tp 2458649.996338633388
(2019-Jun-15.49633863)
3.9217e-05 TDB
period 1257.394590771205
3.44
7.0558e-06
1.932e-08
d
yr
n .2863063056277339 1.6066e-09 deg/d
Q 2.70438683190905 1.0117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1991-06-16  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:55:53  

Additional Information
 Earth MOID = .847963 au 
 Jupiter MOID = 2.61835 au 
 T_jup = 3.574 
[ 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 16.66   n/a MPCxxxxx  

48897 (1998 LQ2)          Discovered 1998-Jun-01 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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