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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617270613613878 4.9147e-08  
a 3.139047766920625 2.3152e-08 au
q 2.631378796103526 1.6057e-07 au
i 13.06344383241256 6.1902e-06 deg
node 345.1838650998898 2.0573e-05 deg
peri 133.6458028658413 3.4192e-05 deg
M 20.70875866344462 2.1201e-05 deg
tp 2458883.645113032016
(2020-Feb-04.14511303)
0.00011996 TDB
period 2031.399370293151
5.56
2.2474e-05
6.153e-08
d
yr
n .1772177373216614 1.9606e-09 deg/d
Q 3.646716737737724 2.6896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-02-19  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:38:04  

Additional Information
 Earth MOID = 1.66562 au 
 Jupiter MOID = 1.47545 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 14.5   n/a MPO379169  
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

[ hide close-approach data ]
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 14:02 00:02 Jupiter 1.62875295447692 1.62875153602822 1.62875437468989 3.83836778296438 3.70040269149588 2433740.085010218 2.25803994605879 3398.08447720206 36.9981305257884 -89.0252217302668 1896231.30190443 T 22 CATAB v2.0f-lin.ifort 2020-May-20 15:38:23 2020-May-20 15:38
1961-Nov-02 00:42 00:02 Jupiter 1.57116967895315 1.57116858871961 1.5711707699143 3.29994957067166 3.13232515525883 2437605.529130585 1.84027155440914 2202.65046215062 25.8187039930467 88.6314664176779 1932160.51703292 T 22 CATAB v2.0f-lin.ifort 2020-May-20 15:38:23 2020-May-20 15:38
2046-Feb-13 12:48 00:01 Jupiter 1.60867133380539 1.60867014427579 1.60867252335273 3.7838008486062 3.64198818273353 2468390.033305561 1.12647625268579 776.100792438726 51.987679852348 -88.4294999754757 1803153.12547966 T 22 CATAB v2.0f-lin.ifort 2020-May-20 15:38:23 2020-May-20 15:38
2056-Sep-14 15:58 00:02 Jupiter 1.58274027493536 1.58273935347011 1.58274119653476 3.33259531728884 3.16794372849954 2472256.165262607 1.5249198854895 1126.07870008336 28.5476276303889 87.9550783070741 2092520.55986032 T 22 CATAB v2.0f-lin.ifort 2020-May-20 15:38:23 2020-May-20 15:38
2140-Dec-24 22:57 00:04 Jupiter 1.57886444749386 1.57886166109435 1.5788672339237 3.72550404163283 3.57860710749003 2503037.456514928 4.3345541890026 579.983761926878 106.1718662355 -81.3855160614951 1439706.63901205 T 22 CATAB v2.0f-lin.ifort 2020-May-20 15:38:23 2020-May-20 15:38
2151-Jul-30 02:40 00:05 Jupiter 1.58347235725515 1.58346966364428 1.58347505202239 3.36428723100272 3.20134336345439 2506906.611358798 4.75207561700163 2293.38501123622 32.2744420499823 86.4023766077632 1945445.42296428 T 22 CATAB v2.0f-lin.ifort 2020-May-20 15:38:23 2020-May-20 15:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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