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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143269136721818 3.7274e-08  
a 3.180829624909367 2.2394e-08 au
q 2.725114910489418 1.1991e-07 au
i 14.40573960804204 5.6534e-06 deg
node 19.26260676956228 1.6616e-05 deg
peri 98.14543032802543 3.0861e-05 deg
M 66.03820320000692 2.2076e-05 deg
tp 2458820.396572554936
(2019-Dec-02.89657255)
0.00012759 TDB
period 2072.092020217301
5.67
2.1882e-05
5.991e-08
d
yr
n .1737374578385021 1.8347e-09 deg/d
Q 3.636544339329316 2.5602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      9289 days (25.43 yr)  
   first obs. used      1995-09-18  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55926  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:54  

Additional Information
 Earth MOID = 1.78739 au 
 Jupiter MOID = 1.60814 au 
 T_jup = 3.135 
[ 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 MPO502666  
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 00:04 Jupiter 1.7099754734937 1.70997408865805 1.7099768583763 4.48865823899673 4.37691317865552 2416544.110112236 4.02805620052835 531.06327146044 28.966080537566 -83.9817873515445 1623270.56628445 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
1915-Mar-26 16:38 00:04 Jupiter 1.67220507864335 1.67220414440099 1.6722060129474 3.65982515470132 3.51870140786191 2420583.192922182 3.62216146975993 800.132927364543 35.8564740509951 -86.8051777493257 1791742.88685051 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
1926-Mar-14 00:32 00:04 Jupiter 1.81699928027975 1.81699777579954 1.81700078478432 2.34693769691445 2.13910855419969 2424588.521876156 3.76295210969479 464.654375168366 64.4829018124241 -70.9540874047819 1514805.3770642 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
1937-Jan-01 08:37 00:03 Jupiter 1.99453160440897 1.99453052019994 1.99453268861665 2.05331833810775 1.83487640178659 2428534.858992020 3.28956446684522 141.926011905628 8.15378852744218 51.875080230308 1190469.30375488 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
2046-Dec-18 11:55 < 00:01 Jupiter 1.78423752373418 1.78423660392611 1.78423844355382 4.6841256103833 4.58165716073623 2468697.996731668 0.970766439458434 303.08090641232 25.7293078997334 -83.3060995307795 2356624.34476128 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
2058-Jan-08 04:31 00:01 Jupiter 1.62575631000431 1.62575564182613 1.62575697820143 4.12043770696495 3.991992312586 2472736.687969383 1.33210258609347 502.306121332867 22.4706372443593 -87.6883648602586 2030409.6646568 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
2069-Jan-29 07:26 00:02 Jupiter 1.69384818470791 1.69384717759116 1.69384919187107 3.27284152016391 3.11630797720515 2476775.809609530 2.01212341071102 868.677123374008 42.6968539905335 -87.2656002076561 2137026.49493675 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
2079-Dec-24 06:01 00:03 Jupiter 1.90644580562424 1.90644426446209 1.90644734679431 1.97516347852584 1.73570812197523 2480756.750901152 3.22626416264523 288.604219967077 67.3611726766374 -58.6611663909592 1947825.90691401 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
2189-Sep-30 05:40 00:07 Jupiter 1.90778504133844 1.90778004340631 1.90779003940959 4.69067166054762 4.59504475712699 2520848.736084662 6.52213937974063 865.6198670009 31.4328076579732 -73.683182742096 2306662.85333024 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13
2200-Oct-10 02:11 00:06 Jupiter 1.63637868371236 1.63637606530687 1.63638130252294 4.34104675356834 4.22012401482442 2524875.590756508 6.20524154693767 1352.65210203216 26.9665543558334 -84.9117228904952 1827059.20245791 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 14:13:56 2021-Apr-13 14:13

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