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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433761126633735 3.832e-08  
a 3.181608110406295 2.2927e-08 au
q 2.725441507517979 1.2421e-07 au
i 14.40410020363446 5.7644e-06 deg
node 19.26529102610602 1.7036e-05 deg
peri 98.22427138363531 3.193e-05 deg
M 31.21809981903677 2.2871e-05 deg
tp 2458820.748543281148
(2019-Dec-03.24854328)
0.00013198 TDB
period 2072.852761503639
5.68
2.2406e-05
6.134e-08
d
yr
n .1736736958291516 1.8773e-09 deg/d
Q 3.63777471329461 2.6215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      8990 days (24.61 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:38:31  

Additional Information
 Earth MOID = 1.78775 au 
 Jupiter MOID = 1.60748 au 
 T_jup = 3.135 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457421.5 (2016-Feb-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444245745106831 3.8425e-08  
q 2.720408654983374 1.2457e-07 au
tp 2456750.167269654142
(2014-Apr-02.66726965)
0.00013588 TDB
node 19.28460668541507 1.7036e-05 deg
peri 98.47816735014513 3.1738e-05 deg
i 14.40772443667928 5.7657e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      8990 days (24.61 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:38:31  

Additional Information
 Jupiter MOID = 1.60748 au 
 T_jup = 3.135 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.476459157907881E-15 -4.72768524923484E-15 1.482795711034452E-12 -4.10442767256256E-15 3.045057437176633E-13 -8.644672775912471E-15
q -4.72768524923484E-15 1.55175811280498E-14 -5.566514040539321E-12 1.61520392547633E-14 -1.112591001945196E-12 2.822124351741605E-14
tp 1.482795711034452E-12 -5.566514040539321E-12 1.84621202884205E-8 -4.101827929377498E-11 3.651462754619157E-9 -1.065013519832702E-11
node -4.10442767256256E-15 1.61520392547633E-14 -4.101827929377498E-11 2.902347379976529E-10 -2.885618418901463E-10 -9.133091832473317E-12
peri 3.045057437176633E-13 -1.112591001945196E-12 3.651462754619157E-9 -2.885618418901463E-10 1.007271008111061E-9 6.815654978757993E-12
i -8.644672775912471E-15 2.822124351741605E-14 -1.065013519832702E-11 -9.133091832473317E-12 6.815654978757993E-12 3.32429973313713E-11

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 1.70997558397148 1.70997418229812 1.70997698569266 4.4886593502238 4.3769143249394 2416544.110385748 4.10123093399817 537.898133539346 29.6062388735265 -84.0020247380075 1594325.84191979 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
1915-Mar-26 16:38 00:04 Jupiter 1.67220501935393 1.67220404325949 1.67220599551605 3.65982667426097 3.51870298246692 2420583.193153854 3.69054714330589 826.150015642334 36.8187891025476 -86.7690162916166 1750623.4196089 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
1926-Mar-14 00:32 00:04 Jupiter 1.81699921240175 1.81699765968343 1.8170007651463 2.34693954398456 2.13911057138028 2424588.522106679 3.83666212904717 478.459052065465 65.8221067228641 -71.1094134320909 1474995.09575878 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
1937-Jan-01 08:37 00:03 Jupiter 1.99453165690923 1.99453054656269 1.9945327672544 2.05331752961861 1.83487550186035 2428534.859144222 3.35229543250695 144.596501530356 8.44807663617147 51.7808856638825 1163105.48505725 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
2046-Dec-18 11:55 < 00:01 Jupiter 1.78423761736255 1.78423666514579 1.78423856959169 4.68412600568495 4.58165756974357 2468697.996803728 0.993463567435368 312.670891084721 26.4086570298291 -83.2594662554288 2285696.91539855 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
2058-Jan-08 04:31 00:01 Jupiter 1.62575629513327 1.62575559565583 1.62575699463159 4.12043859446034 3.99199322672242 2472736.688085083 1.35970895429882 517.579224762918 23.2551361491799 -87.6314693422592 1959989.000867 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
2069-Jan-29 07:26 00:02 Jupiter 1.69384806118783 1.69384704082111 1.6938490815998 3.27284312671785 3.11630965186897 2476775.809797406 2.04858334076635 876.715470170555 43.7420685694467 -87.2967457085404 2050576.32955089 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
2079-Dec-24 06:02 00:03 Jupiter 1.90644570307458 1.90644414128449 1.90644726487268 1.97516486869003 1.73570968874087 2480756.751169680 3.28533475211169 292.312972187743 69.3469431668452 -58.3507599696248 1893863.04103751 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
2189-Sep-30 05:40 00:07 Jupiter 1.90778516444391 1.90778005955234 1.90779026948058 4.69067178432729 4.59504488918367 2520848.736063568 6.6509639788477 884.417781812494 32.2581337270596 -73.692917498403 2241570.48102977 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38
2200-Oct-10 02:11 00:06 Jupiter 1.63637872102899 1.6363760312954 1.63638141118916 4.34104722449889 4.22012450136843 2524875.590713015 6.32689944777658 1387.4189618882 27.550031691301 -84.9038710688012 1788512.42716519 T 19 CATAB v2.0f-lin.ifort 2020-May-20 15:38:48 2020-May-20 15:38

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