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85613 (1998 HC33)
Classification: Main-belt Asteroid          SPK-ID: 2085613
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435873673966082 3.8414e-08  
a 3.182321030290161 2.6891e-08 au
q 2.725379931339936 1.2573e-07 au
i 14.40393306095307 8.595e-06 deg
node 19.27852070334594 1.7543e-05 deg
peri 98.29724132291764 3.7696e-05 deg
M 321.6981809965923 3.1192e-05 deg
tp 2458821.113105978246
(2019-Dec-03.61310598)
0.00018036 TDB
period 2073.549513277753
5.68
2.6283e-05
7.196e-08
d
yr
n .1736153381893118 2.2006e-09 deg/d
Q 3.639262129240387 3.0752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      8837 days (24.19 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:17:57  

Additional Information
 Earth MOID = 1.78798 au 
 Jupiter MOID = 1.60743 au 
 T_jup = 3.134 
[ 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 14.4   n/a MPO337904  
diameter diameter 7.421 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85613 (1998 HC33)          Discovered 1998-Apr-20 by LINEAR at Socorro
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
1904-Mar-04 14:39 00:05 Jupiter 1.70997575970584 1.7099738807402 1.70997763875351 4.48866029013565 4.37691530047835 2416544.110653120 4.68955414478626 734.861555630109 44.1911319961156 -84.287366681512 1112314.70207146 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
1915-Mar-26 16:38 00:04 Jupiter 1.67220510550064 1.67220407802783 1.6722061330033 3.65982774579677 3.51870410439455 2420583.193390799 4.18038276701537 966.314181457617 48.2410256643467 -87.8315135248285 1341177.35593677 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
1926-Mar-14 00:32 00:04 Jupiter 1.81699925707202 1.81699745091005 1.81700106325543 2.3469406238442 2.13911176151309 2424588.522324535 4.316950291917 542.200528948767 92.1094751349249 -72.1716905485958 1417390.4358133 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
1937-Jan-01 08:37 00:04 Jupiter 1.99453168380454 1.99453021175726 1.99453315584945 2.05331753391193 1.83487550978572 2428534.859323238 3.76769176772393 166.952976743057 10.9608324640338 52.2925378767881 829500.756004529 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
2046-Dec-18 11:55 00:01 Jupiter 1.78423761067222 1.78423665175136 1.78423856960607 4.68412633975985 4.5816579109015 2468697.996788411 1.18853446333862 390.926977940435 32.3497500396044 -85.2667122036072 1869006.34821746 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
2058-Jan-08 04:31 00:02 Jupiter 1.62575639974401 1.62575559661447 1.62575720288723 4.12043885784918 3.99199350698389 2472736.688049317 1.65686053257664 662.241071272837 31.3390594378261 -88.3528024181 1672710.4997068 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
2069-Jan-29 07:26 00:03 Jupiter 1.69384827888674 1.69384692601902 1.69384963179431 3.27284289622512 3.11630943042196 2476775.809696408 2.49349972974299 1165.27919615001 61.6127460917342 -87.8134794774338 1834775.73598033 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
2079-Dec-24 06:01 00:04 Jupiter 1.90644593656703 1.90644402493365 1.90644784820823 1.97516462099453 1.73570943822407 2480756.750981154 3.91603290688808 335.160832171273 98.5354104692574 -58.2854839645214 1815619.10333462 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
2189-Sep-30 05:39 00:08 Jupiter 1.90778479208082 1.9077791358492 1.90779044849669 4.69067192315551 4.59504501204227 2520848.735742023 7.71384231545518 1002.24473903642 47.5716833016949 -74.1169626844094 1560423.96596967 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18
2200-Oct-10 02:10 00:07 Jupiter 1.63637861524615 1.63637575006591 1.6363814809231 4.34104723592125 4.2201245051891 2524875.590412015 7.3617926285575 1538.78685413101 39.3422207255035 -85.1987408327458 1249690.4759651 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:03 2019-Dec-04 08:18

Alternate Designations
 1998 HC33 = 2001 SG281 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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