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JPL Small-Body Database Browser
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523571 (2018 DY2)
Classification: Main-belt Asteroid          SPK-ID: 2523571
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03666449867533318 7.192e-08  
a 2.769806921848011 4.5497e-08 au
q 2.668253339630986 1.947e-07 au
i 2.305447060609052 8.611e-06 deg
node 253.4061816147975 0.00022142 deg
peri 233.6485018723312 0.0002597 deg
M 200.1625109475873 0.00013464 deg
tp 2459748.064756987985
(2022-Jun-17.56475699)
0.00062929 TDB
period 1683.730857580137
4.61
4.1486e-05
1.136e-07
d
yr
n .2138108940507231 5.2681e-09 deg/d
Q 2.871360504065036 4.7165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5618 days (15.38 yr)  
   first obs. used      2004-02-11  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58083  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:40:47  

Additional Information
 Earth MOID = 1.68414 au 
 Jupiter MOID = 2.14193 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457048.5 (2015-Jan-26.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03557815741091003 7.1362e-08  
q 2.671545209127834 1.9251e-07 au
tp 2456361.777100386314
(2013-Mar-10.27710039)
0.00066041 TDB
node 253.4742079629726 0.00022137 deg
peri 229.8848500610798 0.0002626 deg
i 2.304894234609881 8.62e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5618 days (15.38 yr)  
   first obs. used      2004-02-11  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58083  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:40:47  

Additional Information
 Jupiter MOID = 2.14193 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.092498796971221E-15 -1.340667793685101E-14 1.173948181759821E-12 8.088368734528575E-15 1.410106758561674E-13 -1.667952254371032E-15
q -1.340667793685101E-14 3.706075321765839E-14 -6.110844764507518E-12 -2.3853556378983E-14 -8.697717488231035E-13 5.343875817645982E-15
tp 1.173948181759821E-12 -6.110844764507518E-12 4.361472144834291E-7 3.483701676488745E-11 9.33537475498074E-8 -6.82460828691752E-12
node 8.088368734528575E-15 -2.3853556378983E-14 3.483701676488745E-11 4.900595987634545E-8 -4.895818085874054E-8 -5.352056889274268E-10
peri 1.410106758561674E-13 -8.697717488231035E-13 9.33537475498074E-8 -4.895818085874054E-8 6.895716490775395E-8 5.334308953811854E-10
i -1.667952254371032E-15 5.343875817645982E-15 -6.82460828691752E-12 -5.352056889274268E-10 5.334308953811854E-10 7.430427766203806E-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 17.3   n/a MPO448273  

523571 (2018 DY2)          Discovered 2007-Nov-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2018-05-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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