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 ]

[ 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05030442303102551 2.7149e-08  
a 2.557998834184565 1.0408e-08 au
q 2.429320178716874 6.9499e-08 au
i 13.46492477866994 3.4188e-07 deg
node 262.4934345354005 3.3494e-06 deg
peri 310.9213325844424 2.0279e-05 deg
M 284.5842813756808 2.3298e-05 deg
tp 2459709.546111195140
(2022-May-10.04611119)
9.7274e-05 TDB
period 1494.338343331907
4.09
9.1205e-06
2.497e-08
d
yr
n .2409092971524191 1.4704e-09 deg/d
Q 2.686677489652255 1.0932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2674  
   data-arc span      24298 days (66.52 yr)  
   first obs. used      1954-10-24  
   last obs. used      2021-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:16:15  

Additional Information
 Earth MOID = 1.4364 au 
 Jupiter MOID = 2.37735 au 
 T_jup = 3.396 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457330.5 (2015-Nov-04.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0501371228254486 2.699e-08  
q 2.429672941175357 6.9032e-08 au
tp 2456726.936173189689
(2014-Mar-10.43617319)
9.4932e-05 TDB
node 262.5286263672901 3.3553e-06 deg
peri 312.2394413630564 2.0649e-05 deg
i 13.45779802708664 3.4197e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2674  
   data-arc span      24298 days (66.52 yr)  
   first obs. used      1954-10-24  
   last obs. used      2021-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:16:15  

Additional Information
 Jupiter MOID = 2.37735 au 
 T_jup = 3.396 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.284422761063898E-16 -1.844038593298216E-15 -1.052818509088226E-12 -6.093567019063143E-14 -2.327630209612492E-13 9.609349858031694E-16
q -1.844038593298216E-15 4.765422173949872E-15 2.797689551016375E-12 1.529360717365938E-13 6.277168798704732E-13 -2.423426305207105E-15
tp -1.052818509088226E-12 2.797689551016375E-12 9.012147845916075E-9 2.021901156062309E-10 1.943304718256713E-9 -1.897310422589487E-12
node -6.093567019063143E-14 1.529360717365938E-13 2.021901156062309E-10 1.125777519737457E-11 3.879489037564295E-11 -4.36714597311809E-13
peri -2.327630209612492E-13 6.277168798704732E-13 1.943304718256713E-9 3.879489037564295E-11 4.263870475442056E-10 1.687249206416563E-13
i 9.609349858031694E-16 -2.423426305207105E-15 -1.897310422589487E-12 -4.36714597311809E-13 1.687249206416563E-13 1.169403931823943E-13

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-Jul-25 05:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin