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JPL Small-Body Database Browser
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56068 (1998 YQ2)
Classification: Main-belt Asteroid          SPK-ID: 2056068
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168308474217439 3.625e-08  
a 2.416397396090152 9.6818e-09 au
q 1.892447900988228 8.9858e-08 au
i 3.254295090823867 3.6878e-06 deg
node 93.90011551496414 6.9291e-05 deg
peri 300.9553478553372 7.0056e-05 deg
M 319.0608074363321 1.3488e-05 deg
tp 2459156.522681470496
(2020-Nov-03.02268147)
5.2098e-05 TDB
period 1371.990061651239
3.76
8.2458e-06
2.258e-08
d
yr
n .2623925712455433 1.577e-09 deg/d
Q 2.940346891192075 1.1781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      10513 days (28.78 yr)  
   first obs. used      1990-10-16  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:41:21  

Additional Information
 Earth MOID = .901718 au 
 Jupiter MOID = 2.49244 au 
 T_jup = 3.482 
[ 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 15.4   n/a MPO436175  
diameter diameter 2.023 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.327   0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56068 (1998 YQ2)          Discovered 1998-Dec-17 by ODAS at Caussols
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YQ2 = 1990 UM7 = 2001 QT16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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