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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002436030760424 4.5394e-08  
a 2.980137513992362 1.98e-08 au
q 2.681397791927689 1.3609e-07 au
i 9.432400886608205 5.4377e-06 deg
node 339.8893761952727 2.7359e-05 deg
peri 5.367051795302756 3.6152e-05 deg
M 10.337619061949 2.4223e-05 deg
tp 2458946.540128443758
(2020-Apr-07.04012844)
0.00012633 TDB
period 1879.112941175143
5.14
1.8727e-05
5.127e-08
d
yr
n .1915797566562797 1.9093e-09 deg/d
Q 3.278877236057036 2.1785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      7283 days (19.94 yr)  
   first obs. used      1999-08-07  
   last obs. used      2019-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:02:47  

Additional Information
 Earth MOID = 1.67396 au 
 Jupiter MOID = 2.11536 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456391.5 (2013-Apr-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042115002923937 4.526e-08  
q 2.669252842400665 1.3642e-07 au
tp 2457067.987696522791
(2015-Feb-14.48769652)
0.00011824 TDB
node 340.142473586228 2.7337e-05 deg
peri 5.522846655259875 3.5465e-05 deg
i 9.441817399240104 5.4373e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      7283 days (19.94 yr)  
   first obs. used      1999-08-07  
   last obs. used      2019-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:02:47  

Additional Information
 Jupiter MOID = 2.11536 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.048430671249128E-15 -6.122271868136787E-15 -1.561826558374019E-12 5.086879980902026E-16 -3.018305792148047E-13 -2.139657853982025E-15
q -6.122271868136787E-15 1.861068095376866E-14 4.802234904099311E-12 -1.303482495648748E-15 9.039114355088488E-13 6.778208117790491E-15
tp -1.561826558374019E-12 4.802234904099311E-12 1.398097584818888E-8 1.734634768729492E-11 2.6899246726627E-9 8.43228033490345E-13
node 5.086879980902026E-16 -1.303482495648748E-15 1.734634768729492E-11 7.473340278163458E-10 -7.336359554703676E-10 -3.768759262405233E-11
peri -3.018305792148047E-13 9.039114355088488E-13 2.6899246726627E-9 -7.336359554703676E-10 1.257792669568915E-9 3.731991103560547E-11
i -2.139657853982025E-15 6.778208117790491E-15 8.43228033490345E-13 -3.768759262405233E-11 3.731991103560547E-11 2.956369924420771E-11

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

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