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190645 (2000 XC18)
Classification: Main-belt Asteroid          SPK-ID: 2190645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937685889212738 6.3244e-08  
a 2.635559727341524 1.6636e-08 au
q 2.12487103795682 1.6351e-07 au
i 10.56140218486971 5.945e-06 deg
node 322.1224352320176 3.5101e-05 deg
peri 74.89975333849542 3.848e-05 deg
M 266.8969771612699 1.4762e-05 deg
tp 2459604.674585763912
(2022-Jan-25.17458576)
6.5498e-05 TDB
period 1562.815539588264
4.28
1.4797e-05
4.051e-08
d
yr
n .23035348118873 2.181e-09 deg/d
Q 3.146248416726228 1.9859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6741 days (18.46 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:32  

Additional Information
 Earth MOID = 1.15876 au 
 Jupiter MOID = 2.42081 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457160.5 (2015-May-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946475105812158 6.2863e-08  
q 2.120744867213954 1.6194e-07 au
tp 2456484.596401014305
(2013-Jul-11.09640101)
6.1319e-05 TDB
node 322.1603170329641 3.5133e-05 deg
peri 75.36344988835468 3.8504e-05 deg
i 10.55997495757618 5.9441e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6741 days (18.46 yr)  
   first obs. used      2000-10-25  
   last obs. used      2019-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:32  

Additional Information
 Jupiter MOID = 2.42081 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.951747178478951E-15 -1.014651966401557E-14 -6.9876752831997E-13 -2.901705445089576E-14 -2.124580848650356E-13 -2.078757025996787E-14
q -1.014651966401557E-14 2.622364203888627E-14 1.727477244950426E-12 7.66898982205072E-14 5.408304208496347E-13 5.401686555635824E-14
tp -6.9876752831997E-13 1.727477244950426E-12 3.759988923805166E-9 2.425968887498433E-12 1.010505825576517E-9 -2.237302398174721E-12
node -2.901705445089576E-14 7.66898982205072E-14 2.425968887498433E-12 1.234296641532273E-9 -1.211132254282467E-9 4.111472515019106E-11
peri -2.124580848650356E-13 5.408304208496347E-13 1.010505825576517E-9 -1.211132254282467E-9 1.482564528431226E-9 -4.067841205310827E-11
i -2.078757025996787E-14 5.401686555635824E-14 -2.237302398174721E-12 4.111472515019106E-11 -4.067841205310827E-11 3.533282938706485E-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 16.1   n/a MPO470055  
diameter diameter 3.868 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190645 (2000 XC18)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2057-Mar-27 21:43 00:01 Hebe 0.0364759159249429 0.0364732124186989 0.0364786217740688 7.77730169613339 7.77730167421935 2472450.405195845 1.01952443004611 552.806533058109 68.8752254148602 -77.7976852869237 77450.1262534484 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 22:08:33 2021-Apr-13 22:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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