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91441 (1999 RU14)
Classification: Main-belt Asteroid          SPK-ID: 2091441
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002436043152771 4.5197e-08  
a 2.980137513445836 1.9653e-08 au
q 2.681397787742858 1.3523e-07 au
i 9.432401032509187 5.4205e-06 deg
node 339.8893741791314 2.7214e-05 deg
peri 5.367052805774147 3.5973e-05 deg
M 10.33762018981112 2.4007e-05 deg
tp 2458946.540122571434
(2020-Apr-07.04012257)
0.00012521 TDB
period 1879.112940658228
5.14
1.8588e-05
5.089e-08
d
yr
n .1915797567089804 1.8951e-09 deg/d
Q 3.278877239148814 2.1623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      7667 days (20.99 yr)  
   first obs. used      1999-08-07  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:17:20  

Additional Information
 Earth MOID = 1.67396 au 
 Jupiter MOID = 2.11536 au 
 T_jup = 3.232 
[ 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 14.2   n/a MPO344930  

91441 (1999 RU14)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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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
2199-Feb-04 19:51 00:20 Eunom 0.00976705724895275 0.00973446563144102 0.00979968912262013 2.65539079576861 2.65539025451383 2524263.327299375 19.835422656565 1898.86596078731 29.0753258530146 -31.3084587183007 26057.0650586318 T 19 CATAB v2.0f-lin.ifort 2020-Aug-25 08:17:33 2020-Aug-25 08:17

Alternate Designations
 1999 RU14 = 2000 XJ25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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