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192636 (1999 QL2)
Classification: Main-belt Asteroid          SPK-ID: 2192636
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769294649029702 6.7312e-08  
a 2.6394293906185 2.0728e-08 au
q 2.172436560887196 1.8737e-07 au
i 11.37731942173679 5.8511e-06 deg
node 168.2533672931619 2.1297e-05 deg
peri 173.2418636529514 2.6426e-05 deg
M 292.7178299033187 1.5314e-05 deg
tp 2459293.225791683504
(2021-Mar-19.72579168)
6.87e-05 TDB
period 1566.258710957654
4.29
1.845e-05
5.051e-08
d
yr
n .2298470855941073 2.7075e-09 deg/d
Q 3.106422220349804 2.4395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      7658 days (20.97 yr)  
   first obs. used      1999-08-31  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:38:44  

Additional Information
 Earth MOID = 1.16497 au 
 Jupiter MOID = 2.31601 au 
 T_jup = 3.346 
[ 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 16.0   n/a MPO245316  
diameter diameter 3.960 km 0.681 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192636 (1999 QL2)          Discovered 1999-Aug-31 by Sarounova, L. at Ondrejov
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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