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3625 Fracastoro (1984 HZ1)
Classification: Main-belt Asteroid          SPK-ID: 2003625
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167353934557067 3.2989e-08  
a 3.053631769346974 1.4215e-08 au
q 2.697164863283409 1.0175e-07 au
i 5.029046241275264 3.5249e-06 deg
node 222.2884316633624 4.1832e-05 deg
peri 109.0437891444202 4.4794e-05 deg
M 208.4932816393526 1.8372e-05 deg
tp 2460020.762420952292
(2023-Mar-17.26242095)
0.00010187 TDB
period 1949.051994116226
5.34
1.3609e-05
3.726e-08
d
yr
n .1847051803065098 1.2897e-09 deg/d
Q 3.410098675410539 1.5874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3074  
   data-arc span      25593 days (70.07 yr)  
   first obs. used      1951-02-27  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:07:14  

Additional Information
 Earth MOID = 1.69026 au 
 Jupiter MOID = 1.95305 au 
 T_jup = 3.220 
[ 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 11.53   n/a MPCxxxxx  
diameter diameter 14.439 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.712 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.213   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3625 Fracastoro (1984 HZ1)          Discovered 1984-Apr-27 by at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1908-Mar-12 18:11 00:02 Jupiter 1.97219377587234 1.97219329282792 1.97219425891721 2.52961931474431 2.35372238859955 2418013.257752303 2.34865285099291 97.207299165854 15.4961304251876 -80.1436815822245 4016440.67696587 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:07:32 2021-May-03 21:07
1917-Sep-25 18:03 00:02 Jupiter 1.99221383800013 1.99221328285549 1.9922143931459 3.87646215038049 3.76518603487855 2421497.251915400 2.00287000316211 101.944756246582 13.822969939454 -80.5495369124936 3842876.62694777 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:07:32 2021-May-03 21:07
1966-Mar-28 13:18 00:01 Jupiter 1.93322636488165 1.9332260446814 1.9332266850819 3.07535226701641 2.92942193941449 2439213.053908348 1.05335446650834 44.4651402428301 11.1622584914107 86.0643415420717 3231630.40967094 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:07:32 2021-May-03 21:07
2014-Oct-09 04:44 < 00:01 Jupiter 1.96067323181351 1.96067290398672 1.96067355964031 2.5521444795109 2.37685286358603 2456939.696965103 0.157623042889081 39.9383909475116 9.01067443808942 82.4955598714016 4070936.10427675 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:07:32 2021-May-03 21:07
2072-Oct-25 10:41 00:01 Jupiter 1.94786414142469 1.94786383097223 1.94786445187715 3.24151924743651 3.10447312897137 2478140.944817244 1.24191946906115 48.9044667857165 11.6090899604832 85.8034114893536 3732762.92248111 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:07:32 2021-May-03 21:07
2121-May-07 00:36 00:02 Jupiter 1.95268243297266 1.95268205692249 1.95268280902283 2.60325464119952 2.43092309507431 2495865.525250266 2.3127799636624 66.51959267167 16.6612556675427 -79.9649738333578 4055789.7608634 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:07:32 2021-May-03 21:07
2179-May-27 16:32 00:03 Jupiter 1.96873659470525 1.96873615607046 1.96873703334093 3.42960399498755 3.30177382486228 2517070.188751078 3.47738771543086 113.704911404427 12.4919752565963 -88.7556836256487 3295770.3722963 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:07:32 2021-May-03 21:07

Alternate Designations
 1984 HZ1 = 1951 DD = 1952 HX2 = 1953 NE = 1953 PG = 1973 FH1 = 1984 JN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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