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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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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616205209267153 4.7078e-08  
a 3.138334318606176 2.2477e-08 au
q 2.631115091190858 1.5291e-07 au
i 13.06457224365448 6.1172e-06 deg
node 345.1840014630369 2.0244e-05 deg
peri 133.5785664726933 3.3129e-05 deg
M 56.21972650023673 2.0522e-05 deg
tp 2458883.372821531464
(2020-Feb-03.87282153)
0.00011645 TDB
period 2030.706859596555
5.56
2.1816e-05
5.973e-08
d
yr
n .1772781720309557 1.9046e-09 deg/d
Q 3.645553546021495 2.611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      8393 days (22.98 yr)  
   first obs. used      1998-02-19  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:42  

Additional Information
 Earth MOID = 1.66532 au 
 Jupiter MOID = 1.47629 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1951-Apr-03 14:03 00:02 Jupiter 1.62875302529705 1.62875161005892 1.62875444229974 3.83836710239354 3.70040199243786 2433740.085137357 2.21242295556721 3373.02465851466 36.3473784148214 -89.0148477984806 1920028.85879522 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:44 2021-Apr-13 14:13
1961-Nov-02 00:42 00:02 Jupiter 1.57116958695387 1.57116854662604 1.5711706279227 3.29994894310123 3.13232448497733 2437605.529192559 1.80146622151067 2108.79201353249 25.6110016115315 88.6423685564477 1996737.56490137 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:44 2021-Apr-13 14:13
2046-Feb-13 12:48 00:01 Jupiter 1.60867114947271 1.60867002589002 1.6086722730725 3.78380005969183 3.64198734733263 2468390.033146787 1.08593306840874 763.644239608951 49.2313143172336 -88.4911190502343 1878752.21625023 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:44 2021-Apr-13 14:13
2056-Sep-14 15:58 00:01 Jupiter 1.58274045925098 1.5827395401786 1.58274137845687 3.33259398353575 3.16794234603133 2472256.164983867 1.478908872966 1116.59888385495 28.1251976764155 87.9448541213856 2127768.77723276 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:44 2021-Apr-13 14:13
2140-Dec-24 22:57 00:04 Jupiter 1.57886389286676 1.57886122451641 1.57886656124834 3.72550319624844 3.5786061755705 2503037.455957604 4.21056446757922 576.95924247073 100.724977110021 -81.5720484630037 1520854.1682143 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:44 2021-Apr-13 14:13
2151-Jul-30 02:40 00:05 Jupiter 1.58347282671492 1.58347018061295 1.58347547393426 3.36428538587902 3.20134147487769 2506906.610764303 4.62280325297974 2255.46659137371 31.7457273456619 86.4148824513947 1974790.19805075 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:44 2021-Apr-13 14:13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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