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146118 (2000 RZ2)
Classification: Main-belt Asteroid          SPK-ID: 2146118
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195744310912424 4.2506e-08  
a 2.977857110861748 1.9415e-08 au
q 2.621781540959443 1.3271e-07 au
i 11.12323883040869 6.5752e-06 deg
node 2.797364515082553 2.2614e-05 deg
peri 49.1977055079282 4.5124e-05 deg
M 343.2804285408652 4.2738e-05 deg
tp 2459483.671967864048
(2021-Sep-26.17196786)
0.00022341 TDB
period 1876.956506197498
5.14
1.8356e-05
5.026e-08
d
yr
n .1917998626027405 1.8757e-09 deg/d
Q 3.333932680764052 2.1736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      7428 days (20.34 yr)  
   first obs. used      2000-09-01  
   last obs. used      2021-01-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:36:55  

Additional Information
 Earth MOID = 1.64598 au 
 Jupiter MOID = 2.14079 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457037.5 (2015-Jan-15.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1235130510597199 4.4083e-08  
q 2.610456907002657 1.3926e-07 au
tp 2457596.184207698928
(2016-Jul-26.68420770)
0.00019891 TDB
node 3.19071037237942 2.262e-05 deg
peri 47.28789213003979 4.3382e-05 deg
i 11.13509138604507 6.5693e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      7428 days (20.34 yr)  
   first obs. used      2000-09-01  
   last obs. used      2021-01-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:36:55  

Additional Information
 Jupiter MOID = 2.14079 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.943301035903232E-15 -6.094795877817043E-15 -4.861633102961922E-12 -3.714679924797995E-15 -8.584202619307384E-13 -3.802809470648967E-15
q -6.094795877817043E-15 1.939459410308766E-14 1.699997758951571E-11 1.119427404327576E-14 3.011932752057913E-12 1.363372642433692E-14
tp -4.861633102961922E-12 1.699997758951571E-11 3.956706323811404E-8 2.285044272604377E-11 7.377422229938522E-9 3.051538787524551E-11
node -3.714679924797995E-15 1.119427404327576E-14 2.285044272604377E-11 5.116862440726403E-10 -4.972301650696156E-10 -5.762398303983407E-11
peri -8.584202619307384E-13 3.011932752057913E-12 7.377422229938522E-9 -4.972301650696156E-10 1.881988909181389E-9 6.222342066510485E-11
i -3.802809470648967E-15 1.363372642433692E-14 3.051538787524551E-11 -5.762398303983407E-11 6.222342066510485E-11 4.315517757485005E-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 14.74   n/a E2021B55  
diameter diameter 4.435 km 0.816 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.156   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146118 (2000 RZ2)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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