Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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

[ show close-approach data ]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-09 18:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin