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43965 (1997 EO32)
Classification: Main-belt Asteroid          SPK-ID: 2043965
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671571764143301 3.3143e-08  
a 2.608348410771462 9.1641e-09 au
q 2.172344255322099 8.5573e-08 au
i .9128644051510409 4.8675e-06 deg
node 161.4630014233827 0.00019122 deg
peri 129.1870295553113 0.00019186 deg
M 185.7921379458436 1.3577e-05 deg
tp 2460141.081223091283
(2023-Jul-15.58122309)
5.7986e-05 TDB
period 1538.674759865504
4.21
8.1089e-06
2.22e-08
d
yr
n .2339675735185698 1.233e-09 deg/d
Q 3.044352566220825 1.0696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1994-10-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:24:40  

Additional Information
 Earth MOID = 1.15587 au 
 Jupiter MOID = 2.12908 au 
 T_jup = 3.391 
[ 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 15.93   n/a MPCxxxxx  
diameter diameter 4.017 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43965 (1997 EO32)          Discovered 1997-Mar-11 by Spacewatch at Kitt Peak
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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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
1911-Oct-11 03:15 00:01 Inter 0.048867545892234 0.0488640818838442 0.0488710133000856 5.78923974165567 5.78923968990969 2419320.635409222 1.17819229037802 676.371030144211 32.2457205110407 75.4522629130703 219364.342010549 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:43 2021-Apr-13 09:24
1967-Jul-25 08:21 < 00:01 Juno 0.0488649576706079 0.0488583688943441 0.0488715464611183 8.3086628424091 8.30866281244389 2439696.848053892 0.394738026988256 331.170700370993 47.4144732730998 -7.37548622144542 29502.9534855386 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 09:24:43 2021-Apr-13 09:24

Alternate Designations
 1997 EO32 = 1994 TK4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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