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52677 (1998 DY20)
Classification: Main-belt Asteroid          SPK-ID: 2052677
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3107504096748459 3.5948e-08  
a 3.179348291051685 1.8535e-08 au
q 2.191364507108352 1.1465e-07 au
i 17.85298864304556 5.125e-06 deg
node 150.3916293002082 1.2183e-05 deg
peri 229.1684530630981 1.4072e-05 deg
M 104.974865924219 8.8815e-06 deg
tp 2458596.706526153249
(2019-Apr-23.20652615)
4.8446e-05 TDB
period 2070.644707865079
5.67
1.8107e-05
4.957e-08
d
yr
n .1738588945909388 1.5203e-09 deg/d
Q 4.167332074995016 2.4295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1742  
   data-arc span      8431 days (23.08 yr)  
   first obs. used      1998-02-22  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47468  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:24  

Additional Information
 Earth MOID = 1.23149 au 
 Jupiter MOID = 1.5215 au 
 T_jup = 3.051 
[ 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 13.12   n/a MPCxxxxx  
diameter diameter 14.338 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52677 (1998 DY20)          Discovered 1998-Feb-22 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DY20 = 2000 JX69 = 2001 PR9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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