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186900 (2004 LR1)
Classification: Main-belt Asteroid          SPK-ID: 2186900
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3068715092928431 5.4434e-08  
a 2.593369307976021 1.7885e-08 au
q 1.797538154283683 1.4247e-07 au
i 11.04263785326737 7.1075e-06 deg
node 40.16287418523762 2.8155e-05 deg
peri 282.2916017165901 3.0173e-05 deg
M 344.7331776906956 9.704e-06 deg
tp 2459461.190592237170
(2021-Sep-03.69059224)
4.1243e-05 TDB
period 1525.439461700404
4.18
1.578e-05
4.32e-08
d
yr
n .2359975659726992 2.4413e-09 deg/d
Q 3.389200461668358 2.3373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1996-10-10  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:46:13  

Additional Information
 Earth MOID = .824508 au 
 Jupiter MOID = 2.09875 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457370.5 (2015-Dec-14.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3056035226039435 5.4417e-08  
q 1.803058167046223 1.4199e-07 au
tp 2457935.121974354237
(2017-Jun-30.62197435)
4.1437e-05 TDB
node 40.23231829972226 2.8189e-05 deg
peri 282.0080392889697 3.0214e-05 deg
i 11.03056136096154 7.099e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1996-10-10  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:46:13  

Additional Information
 Jupiter MOID = 2.09875 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.961242286095448E-15 -7.696335827553663E-15 1.274609165422042E-12 -1.591046528989011E-14 2.887328677085616E-13 -1.001678072155236E-14
q -7.696335827553663E-15 2.016054514069302E-14 -3.39352286538603E-12 4.519330354620119E-14 -7.967210503816011E-13 2.534550198789762E-14
tp 1.274609165422042E-12 -3.39352286538603E-12 1.71702828935841E-9 -1.072009688701836E-11 4.695120626797278E-10 -9.389086643452549E-12
node -1.591046528989011E-14 4.519330354620119E-14 -1.072009688701836E-11 7.946106720805085E-10 -7.826614163205758E-10 -9.110962107778843E-11
peri 2.887328677085616E-13 -7.967210503816011E-13 4.695120626797278E-10 -7.826614163205758E-10 9.128758342794416E-10 8.731780799957479E-11
i -1.001678072155236E-14 2.534550198789762E-14 -9.389086643452549E-12 -9.110962107778843E-11 8.731780799957479E-11 5.039539415759846E-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 15.96   n/a E2021B55  

186900 (2004 LR1)          Discovered 2004-Jun-05 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2004 LR1 = 1996 TU6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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