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160918 (2001 XB88)
Classification: Main-belt Asteroid          SPK-ID: 2160918
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735384294046506 4.3731e-08  
a 3.154826160897626 2.0615e-08 au
q 2.607342583890749 1.3459e-07 au
i 6.057195042534565 5.3741e-06 deg
node 94.7289441457861 4.4524e-05 deg
peri 62.03455546851618 4.6742e-05 deg
M 115.6905929682798 1.4536e-05 deg
tp 2458542.755654278926
(2019-Feb-28.25565428)
8.1016e-05 TDB
period 2046.734815548137
5.60
2.0061e-05
5.492e-08
d
yr
n .1758899087782353 1.724e-09 deg/d
Q 3.702309737904503 2.4193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      7230 days (19.79 yr)  
   first obs. used      2000-10-30  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .593  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:21  

Additional Information
 Earth MOID = 1.62388 au 
 Jupiter MOID = 1.32937 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456910.5 (2014-Sep-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744693335203688 4.3794e-08  
q 2.598976312269863 1.3562e-07 au
tp 2456496.585509814612
(2013-Jul-23.08550981)
7.8039e-05 TDB
node 94.75765288898315 4.4497e-05 deg
peri 60.93013364806394 4.6701e-05 deg
i 6.062314673148531 5.3786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      7230 days (19.79 yr)  
   first obs. used      2000-10-30  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .593  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:21  

Additional Information
 Jupiter MOID = 1.32937 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.91794836486293E-15 -5.891324525186626E-15 -4.558795135606971E-13 6.624601840843472E-15 -1.019506016013457E-13 1.414854677818554E-16
q -5.891324525186626E-15 1.839277448096814E-14 1.416736356058392E-12 -1.829382219171704E-14 3.221730530052385E-13 -2.21960446032928E-15
tp -4.558795135606971E-13 1.416736356058392E-12 6.090149520061176E-9 -3.039922865154958E-12 1.132952322091766E-9 3.876536256502907E-12
node 6.624601840843472E-15 -1.829382219171704E-14 -3.039922865154958E-12 1.980016869744117E-9 -1.969254497541563E-9 1.668198739339217E-11
peri -1.019506016013457E-13 3.221730530052385E-13 1.132952322091766E-9 -1.969254497541563E-9 2.181021138218105E-9 -1.60697522562058E-11
i 1.414854677818554E-16 -2.21960446032928E-15 3.876536256502907E-12 1.668198739339217E-11 -1.60697522562058E-11 2.892972077771468E-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 14.96   n/a E2021B55  

160918 (2001 XB88)          Discovered 2001-Dec-14 by Yeung, W. K. Y. at Desert Eagle
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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