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58126 (1981 EJ32)
Classification: Main-belt Asteroid          SPK-ID: 2058126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206796349680513 3.4231e-08  
a 2.603125798702389 1.33e-08 au
q 2.288981527539068 8.7712e-08 au
i 4.925989044053955 3.814e-06 deg
node 270.9837611577732 5.9516e-05 deg
peri 357.2034037788849 6.3889e-05 deg
M 93.9118363255658 2.2706e-05 deg
tp 2458800.316670398890
(2019-Nov-12.81667040)
9.6875e-05 TDB
period 1534.055815466789
4.20
1.1757e-05
3.219e-08
d
yr
n .2346720349874999 1.7986e-09 deg/d
Q 2.917270069865711 1.4906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      14521 days (39.76 yr)  
   first obs. used      1981-03-06  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:28:08  

Additional Information
 Earth MOID = 1.27116 au 
 Jupiter MOID = 2.16581 au 
 T_jup = 3.398 
[ 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 15.76   n/a E2021B10  
diameter diameter 2.902 km 0.725 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58126 (1981 EJ32)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ 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
2186-Apr-20 22:50 00:04 Psych 0.0286061043055394 0.0285700848258159 0.0286421539002221 4.14233649965626 4.14233639755078 2519590.451445966 4.1447434368615 2316.54769018124 71.0552337450828 39.2082566606743 38065.0912407959 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 11:28:10 2021-Apr-13 11:28

Alternate Designations
 1981 EJ32 = 2000 YS130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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