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192918 (1999 YV9)
Classification: Main-belt Asteroid          SPK-ID: 2192918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04236094539301988 4.6636e-08  
a 2.786897787371063 2.1068e-08 au
q 2.668842162384309 1.2989e-07 au
i 5.536748381934678 4.2648e-06 deg
node 94.0488813332036 6.8079e-05 deg
peri 342.3355443107169 0.00010799 deg
M 175.3801255252094 8.4424e-05 deg
tp 2458372.638161095528
(2018-Sep-11.13816110)
0.00039457 TDB
period 1699.338856743894
4.65
1.927e-05
5.276e-08
d
yr
n .2118470948694697 2.4022e-09 deg/d
Q 2.904953412357816 2.196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      8915 days (24.41 yr)  
   first obs. used      1995-12-26  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:06  

Additional Information
 Earth MOID = 1.68439 au 
 Jupiter MOID = 2.20961 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457466.5 (2016-Mar-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0430480234046587 4.6097e-08  
q 2.666763346490504 1.2804e-07 au
tp 2456679.858296199961
(2014-Jan-22.35829620)
0.00038305 TDB
node 94.05915149111958 6.8078e-05 deg
peri 343.7682892634641 0.00010729 deg
i 5.536973922014353 4.2649e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      8915 days (24.41 yr)  
   first obs. used      1995-12-26  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:06  

Additional Information
 Jupiter MOID = 2.20961 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.124976519798985E-15 -5.829438403801254E-15 -5.06837767107154E-12 1.382968626086728E-15 -1.161840407418641E-12 1.379819041362548E-15
q -5.829438403801254E-15 1.639368248728687E-14 1.679715573336302E-11 -5.738144209512703E-15 3.840679103861735E-12 -3.730520411873238E-15
tp -5.06837767107154E-12 1.679715573336302E-11 1.467298667897589E-7 -7.274269880178559E-11 3.182560619998703E-8 -1.757967287910323E-11
node 1.382968626086728E-15 -5.738144209512703E-15 -7.274269880178559E-11 4.634575061303968E-9 -4.628602628075035E-9 -1.049409930676851E-11
peri -1.161840407418641E-12 3.840679103861735E-12 3.182560619998703E-8 -4.628602628075035E-9 1.151188955822569E-8 6.669307723135284E-12
i 1.379819041362548E-15 -3.730520411873238E-15 -1.757967287910323E-11 -1.049409930676851E-11 6.669307723135284E-12 1.81897360737642E-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 15.68   n/a E2021B55  
diameter diameter 4.493 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192918 (1999 YV9)          Discovered 1999-Dec-27 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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