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215099 (1981 EN36)
Classification: Main-belt Asteroid          SPK-ID: 2215099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699499530628744 5.8677e-08  
a 2.760213488874216 3.3259e-08 au
q 2.29111533599653 1.6211e-07 au
i 7.881822670285405 7.8264e-06 deg
node 218.5808162752444 4.2379e-05 deg
peri 250.650641346704 4.7886e-05 deg
M 245.984281322254 2.0688e-05 deg
tp 2459530.986902770546
(2021-Nov-12.48690277)
9.7508e-05 TDB
period 1674.99084522871
4.59
3.0274e-05
8.289e-08
d
yr
n .2149265478229191 3.8846e-09 deg/d
Q 3.229311641751901 3.8911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      13603 days (37.24 yr)  
   first obs. used      1981-02-14  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61335  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:56:58  

Additional Information
 Earth MOID = 1.32214 au 
 Jupiter MOID = 1.98558 au 
 T_jup = 3.307 
[ 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 16.1   n/a MPO440134  

215099 (1981 EN36)          Discovered 1981-Mar-07 by Bus, S. J. at Siding Spring
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
1914-May-02 08:36 00:05 Jupiter 1.99202606858115 1.99202539001974 1.99202674714256 2.00713608936834 1.78274569067843 2420254.858589122 5.4652556231126 285.764453040956 26.6149654382035 -85.9285830657675 1925410.14369767 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 06:57:00 2019-Jul-13 06:57
2056-Jul-23 03:13 00:02 Jupiter 1.99309135592229 1.99309070128056 1.99309201056526 1.97666112017084 1.74849381973377 2472202.634256922 2.35339680941469 142.260232590016 29.2693558009272 -85.5985262431753 2072563.55975329 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 06:57:00 2019-Jul-13 06:57
2198-Oct-16 09:44 00:10 Jupiter 1.98875472373605 1.98875339787317 1.98875604962526 1.9449721163236 1.71204689980665 2524151.905256646 10.0995880737971 430.610395392113 36.1540915267696 86.3528437546248 1981116.64682111 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 06:57:00 2019-Jul-13 06:57

Alternate Designations
 1981 EN36 = 2004 FX12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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