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190646 (2000 XD20)
Classification: Main-belt Asteroid          SPK-ID: 2190646
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1573212320103205 9.9955e-08  
a 2.642460162948602 1.5575e-08 au
q 2.226745074575335 2.6169e-07 au
i 13.89279523649382 9.5975e-06 deg
node 41.56609808581534 1.8961e-05 deg
peri 7.084856889342947 2.9795e-05 deg
M 255.864269483801 1.8584e-05 deg
tp 2459654.345848503732
(2022-Mar-15.84584850)
8.1512e-05 TDB
period 1568.957212394339
4.30
1.3871e-05
3.798e-08
d
yr
n .2294517639844459 2.0286e-09 deg/d
Q 3.058175251321868 1.8025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      6790 days (18.59 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:32  

Additional Information
 Earth MOID = 1.23619 au 
 Jupiter MOID = 2.35446 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457170.5 (2015-May-28.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587201582770022 9.9223e-08  
q 2.220749169953341 2.5896e-07 au
tp 2456522.417808000920
(2013-Aug-17.91780800)
8.2801e-05 TDB
node 41.61875080576543 1.8945e-05 deg
peri 7.555079065362473 2.9752e-05 deg
i 13.90592920069266 9.6042e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      6790 days (18.59 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:32  

Additional Information
 Jupiter MOID = 2.35446 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.845182721170202E-15 -2.566208068466651E-14 -5.091434706485229E-12 3.244863971072947E-14 -1.514618997050147E-12 -4.511689075099984E-14
q -2.566208068466651E-14 6.705855164538722E-14 1.316010258907752E-11 -8.819009579680735E-14 3.937534185815322E-12 1.205606282919281E-13
tp -5.091434706485229E-12 1.316010258907752E-11 6.855960193138551E-9 -9.795932638180942E-12 1.903540928638082E-9 1.567230084364333E-11
node 3.244863971072947E-14 -8.819009579680735E-14 -9.795932638180942E-12 3.588973681616382E-10 -3.508646635843379E-10 -4.626004535967319E-11
peri -1.514618997050147E-12 3.937534185815322E-12 1.903540928638082E-9 -3.508646635843379E-10 8.852038288599054E-10 5.027190528846738E-11
i -4.511689075099984E-14 1.205606282919281E-13 1.567230084364333E-11 -4.626004535967319E-11 5.027190528846738E-11 9.224140016959889E-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 15.8   n/a MPO433259  

190646 (2000 XD20)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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