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85575 (1998 DC1)
Classification: Main-belt Asteroid          SPK-ID: 2085575
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615590243353079 4.3837e-08  
a 3.137572502821704 2.1308e-08 au
q 2.630669350484539 1.4068e-07 au
i 13.06509165189672 5.8805e-06 deg
node 345.1861192315674 1.9885e-05 deg
peri 133.4973260709035 3.1134e-05 deg
M 91.05659790822114 1.9271e-05 deg
tp 2458883.050185276087
(2020-Feb-03.55018528)
0.00010917 TDB
period 2029.967487769713
5.56
2.0679e-05
5.662e-08
d
yr
n .1773427417773696 1.8065e-09 deg/d
Q 3.644475655158868 2.475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8504 days (23.28 yr)  
   first obs. used      1998-02-19  
   last obs. used      2021-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:51:16  

Additional Information
 Earth MOID = 1.66554 au 
 Jupiter MOID = 1.47746 au 
 T_jup = 3.151 
[ 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 14.59   n/a E2021B10  
diameter diameter 7.834 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85575 (1998 DC1)          Discovered 1998-Feb-19 by Galad, A., Pravda, A. at Modra
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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