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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002820916924116 3.9845e-08  
a 2.981041404263675 1.62e-08 au
q 2.68209633682243 1.1362e-07 au
i 9.432237226727787 4.1671e-06 deg
node 339.886148359767 2.3334e-05 deg
peri 5.579296906897958 3.1845e-05 deg
M 85.99718497793432 2.0008e-05 deg
tp 2458947.411252337941
(2020-Apr-07.91125234)
0.00010504 TDB
period 1879.967922203777
5.15
1.5325e-05
4.196e-08
d
yr
n .1914926290752838 1.561e-09 deg/d
Q 3.279986471704921 1.7825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1316  
   data-arc span      7880 days (21.57 yr)  
   first obs. used      1999-08-07  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:35  

Additional Information
 Earth MOID = 1.6739 au 
 Jupiter MOID = 2.11488 au 
 T_jup = 3.231 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457179.5 (2015-Jun-06.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037677921563332 3.9898e-08  
q 2.670862163361277 1.1442e-07 au
tp 2457067.182048312405
(2015-Feb-13.68204831)
0.00010376 TDB
node 340.1227489920606 2.3303e-05 deg
peri 5.305999870895716 3.1202e-05 deg
i 9.442076421467171 4.1715e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1316  
   data-arc span      7880 days (21.57 yr)  
   first obs. used      1999-08-07  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:35  

Additional Information
 Jupiter MOID = 2.11488 au 
 T_jup = 3.231 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.591841507306605E-15 -4.534040562256711E-15 -3.315107421545031E-13 4.638157268532377E-15 -1.07403940415503E-13 -2.76471542535598E-15
q -4.534040562256711E-15 1.309255738586611E-14 5.367312577175317E-13 -1.460676963945161E-14 2.279874355923209E-13 8.570351968752852E-15
tp -3.315107421545031E-13 5.367312577175317E-13 1.07654983340446E-8 2.219129498001233E-11 2.167587363580348E-9 -2.400189272560453E-12
node 4.638157268532377E-15 -1.460676963945161E-14 2.219129498001233E-11 5.430108265573214E-10 -5.30970162055989E-10 1.075777894991453E-11
peri -1.07403940415503E-13 2.279874355923209E-13 2.167587363580348E-9 -5.30970162055989E-10 9.735751010373095E-10 -1.109155001273278E-11
i -2.76471542535598E-15 8.570351968752852E-15 -2.400189272560453E-12 1.075777894991453E-11 -1.109155001273278E-11 1.740116812936369E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.23   n/a MPO637243  

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

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