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186799 (2004 ER51)
Classification: Main-belt Asteroid          SPK-ID: 2186799
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640744121454745 6.6037e-08  
a 2.358470154799821 1.5308e-08 au
q 1.971505550588394 1.5667e-07 au
i 3.107837642094558 7.3576e-06 deg
node 180.4352965216219 9.3785e-05 deg
peri 56.11928376449283 9.5605e-05 deg
M 228.3837224367809 2.2362e-05 deg
tp 2459880.172178722325
(2022-Oct-27.67217872)
8.5001e-05 TDB
period 1322.951747031452
3.62
1.2881e-05
3.527e-08
d
yr
n .272118768358557 2.6494e-09 deg/d
Q 2.745434759011248 1.782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6134 days (16.79 yr)  
   first obs. used      2004-02-19  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:45  

Additional Information
 Earth MOID = .962332 au 
 Jupiter MOID = 2.25306 au 
 T_jup = 3.533 
[ 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 16.78   n/a MPCxxxxx  

186799 (2004 ER51)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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
2063-Mar-21 19:12 00:01 Hebe 0.0115874857861327 0.0115723626160716 0.0116026390645327 8.22430249234186 8.22430242710858 2474635.299750860 1.20573175043337 1201.39071050819 64.4898055681831 51.1813734928577 20957.8286745414 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:52:46 2021-Apr-13 21:52
2104-Nov-08 05:27 00:04 David 0.0179725280211789 0.0179462317502264 0.0179988460965682 6.09971927426425 6.09971913645955 2489841.727031543 4.20430069520901 1641.66933194021 54.2822902492289 37.0085640658904 29828.9219990608 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:52:46 2021-Apr-13 21:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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