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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2346423252416535 9.5917e-09  
a 2.280185604123714 5.5219e-09 au
q 1.745157551989581 2.231e-08 au
i 8.365824853625583 4.9652e-07 deg
node 17.39088822567827 5.5968e-06 deg
peri 352.3663197920264 7.1633e-06 deg
M 254.2984821187989 5.3871e-06 deg
tp 2459569.760156244287
(2021-Dec-21.26015624)
1.9765e-05 TDB
period 1257.632424894303
3.44
4.5684e-06
1.251e-08
d
yr
n .2862521615012082 1.0398e-09 deg/d
Q 2.815213656257846 6.8176e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      23827 days (65.23 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:23:46  

Additional Information
 Earth MOID = .74394 au 
 Jupiter MOID = 2.64831 au 
 T_jup = 3.555 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456912.5 (2014-Sep-12.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2340161651036341 9.7018e-09  
q 1.747197231115135 2.2613e-08 au
tp 2457051.980423031810
(2015-Jan-29.48042303)
1.469e-05 TDB
node 17.42920141735448 5.6007e-06 deg
peri 351.9831326550114 7.1759e-06 deg
i 8.36338678843857 4.9723e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      23827 days (65.23 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:23:46  

Additional Information
 Jupiter MOID = 2.64831 au 
 T_jup = 3.555 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.412584664190759E-17 -2.154396871983696E-16 -9.745164380691633E-14 2.898775200922627E-15 -3.314822933994846E-14 4.351726756115427E-16
q -2.154396871983696E-16 5.113264407272E-16 2.443418650602021E-13 -6.882266135248446E-15 8.23642532704067E-14 -9.682322393674832E-16
tp -9.745164380691633E-14 2.443418650602021E-13 2.157985857464156E-10 -3.456963165532437E-12 6.66535233106644E-11 1.281946421318641E-13
node 2.898775200922627E-15 -6.882266135248446E-15 -3.456963165532437E-12 3.136788533618361E-11 -3.194152389168498E-11 -1.735611592793501E-12
peri -3.314822933994846E-14 8.23642532704067E-14 6.66535233106644E-11 -3.194152389168498E-11 5.149413533545293E-11 1.711371983571942E-12
i 4.351726756115427E-16 -9.682322393674832E-16 1.281946421318641E-13 -1.735611592793501E-12 1.711371983571942E-12 2.472408076108542E-13

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 13.71   n/a E2021B10  
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

[ show close-approach data ]
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 2021-May-16 18:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin