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 ]  
4122 Ferrari (1986 OA)
Classification: Main-belt Asteroid          SPK-ID: 2004122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05041677402470833 2.7241e-08  
a 2.557755575732735 1.0388e-08 au
q 2.42880179086058 6.971e-08 au
i 13.46629009116692 3.4193e-07 deg
node 262.4964491572555 3.3545e-06 deg
peri 311.0069993945795 2.0252e-05 deg
M 237.2848500865577 2.3188e-05 deg
tp 2459709.810545440025
(2022-May-10.31054544)
9.7136e-05 TDB
period 1494.125187376921
4.09
9.1022e-06
2.492e-08
d
yr
n .2409436659266914 1.4678e-09 deg/d
Q 2.68670936060489 1.0912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2648  
   data-arc span      24258 days (66.41 yr)  
   first obs. used      1954-10-24  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:25:15  

Additional Information
 Earth MOID = 1.43413 au 
 Jupiter MOID = 2.37847 au 
 T_jup = 3.396 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.11   n/a MPCxxxxx  
diameter diameter 8.889 km 0.727 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.45 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.246   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4122 Ferrari (1986 OA)          Discovered 1986-Jul-28 by Oss. San Vittore at Bologna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 OA = 1954 UN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-09 17:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin