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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168308220233034 3.9236e-08  
a 2.416397392386099 9.6822e-09 au
q 1.892447959460055 9.6885e-08 au
i 3.254291755696513 3.95e-06 deg
node 93.90006858068529 8.9521e-05 deg
peri 300.9553814548206 9.0357e-05 deg
M 319.0608189106837 1.4767e-05 deg
tp 2459156.522637382038
(2020-Nov-03.02263738)
5.6911e-05 TDB
period 1371.99005849659
3.76
8.2461e-06
2.258e-08
d
yr
n .2623925718488685 1.5771e-09 deg/d
Q 2.940346825312143 1.1782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      10408 days (28.50 yr)  
   first obs. used      1990-10-16  
   last obs. used      2019-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:23:10  

Additional Information
 Earth MOID = .901718 au 
 Jupiter MOID = 2.49244 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456777.5 (2014-Apr-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218864147318441 3.9363e-08  
q 1.887057235825346 9.7408e-08 au
tp 2456412.987865282813
(2013-Apr-30.48786528)
4.6318e-05 TDB
node 93.92868066612783 8.962e-05 deg
peri 300.9145605091762 9.0425e-05 deg
i 3.254039302827102 3.9463e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      10408 days (28.50 yr)  
   first obs. used      1990-10-16  
   last obs. used      2019-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:23:10  

Additional Information
 Jupiter MOID = 2.49244 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.549458849216403E-15 -3.82377036030622E-15 -7.915101665654695E-13 6.439714046270337E-15 -2.177569949293198E-13 -1.189493565965907E-15
q -3.82377036030622E-15 9.488363004360462E-15 2.076187879223382E-12 -1.663116234795352E-14 5.711543319070925E-13 3.089761499087393E-15
tp -7.915101665654695E-13 2.076187879223382E-12 2.145320206592399E-9 -4.293604223462633E-12 5.891007790948875E-10 1.674585331720634E-12
node 6.439714046270337E-15 -1.663116234795352E-14 -4.293604223462633E-12 8.031692468192038E-9 -8.019589321624741E-9 6.783833435309381E-11
peri -2.177569949293198E-13 5.711543319070925E-13 5.891007790948875E-10 -8.019589321624741E-9 8.17670774068724E-9 -6.728639138929365E-11
i -1.189493565965907E-15 3.089761499087393E-15 1.674585331720634E-12 6.783833435309381E-11 -6.728639138929365E-11 1.557337754215859E-11

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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