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 ]  
2143 Jimarnold (1973 SA)
Classification: Main-belt Asteroid          SPK-ID: 2002143
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2345634555061337 3.5632e-08  
a 2.280188483578879 6.8186e-09 au
q 1.745339593665326 8.0737e-08 au
i 8.365693954513699 3.8583e-06 deg
node 17.39128915598769 2.1465e-05 deg
peri 352.3841151021249 2.2669e-05 deg
M 197.0162610804857 1.0106e-05 deg
tp 2459569.872286282862
(2021-Dec-21.37228628)
3.7209e-05 TDB
period 1257.634807132826
3.44
5.6412e-06
1.544e-08
d
yr
n .2862516192762931 1.284e-09 deg/d
Q 2.815037373492431 8.418e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      23827 days (65.23 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:46:21  

Additional Information
 Earth MOID = .745607 au 
 Jupiter MOID = 2.64742 au 
 T_jup = 3.555 
[ 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 13.7   n/a MPO473793  
diameter diameter 4.934 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.138   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2143 Jimarnold (1973 SA)          Discovered 1973-Sep-26 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1925-Sep-20 03:44 < 00:01 Iris 0.0337941676472253 0.0337911123485109 0.0337972241453543 5.68446447838639 5.68446444846087 2424413.655595695 0.535009102445878 356.709342228649 27.1315342034537 65.0731439763567 169033.458877301 T 30 CATAB v2.0f-lin.ifort 2020-Aug-24 22:46:30 2020-Aug-24 22:46

Alternate Designations
 1973 SA = 1980 VZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-21 17:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin