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187766 (1998 DV17)
Classification: Main-belt Asteroid          SPK-ID: 2187766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09278667996536687 4.6756e-08  
a 2.783479064185373 1.896e-08 au
q 2.525209283066506 1.3126e-07 au
i 4.67608424136484 4.9741e-06 deg
node 135.9222199985273 6.4153e-05 deg
peri 281.5978720770989 7.3562e-05 deg
M 74.40892543384514 3.2619e-05 deg
tp 2458849.907276951188
(2020-Jan-01.40727695)
0.00015425 TDB
period 1696.212914803952
4.64
1.7331e-05
4.745e-08
d
yr
n .2122375067764466 2.1686e-09 deg/d
Q 3.041748845304241 2.072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      10286 days (28.16 yr)  
   first obs. used      1993-01-31  
   last obs. used      2021-03-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:18  

Additional Information
 Earth MOID = 1.54174 au 
 Jupiter MOID = 2.23805 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457605.5 (2016-Aug-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09036276124889471 4.6571e-08  
q 2.53341678997213 1.3012e-07 au
tp 2457150.676929952152
(2015-May-08.17692995)
0.00016459 TDB
node 136.0365225912821 6.4067e-05 deg
peri 281.0528468147789 7.4134e-05 deg
i 4.677669856269138 4.978e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      10286 days (28.16 yr)  
   first obs. used      1993-01-31  
   last obs. used      2021-03-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:18  

Additional Information
 Jupiter MOID = 2.23805 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.168855369548213E-15 -6.006271578486013E-15 -2.278837768208043E-12 -1.051676035921407E-15 -5.460194154225781E-13 -4.183398702791302E-15
q -6.006271578486013E-15 1.693140556854079E-14 5.558573743692832E-12 2.683166762281732E-15 1.362326958007573E-12 1.177428831600253E-14
tp -2.278837768208043E-12 5.558573743692832E-12 2.708952185104005E-8 1.779838658198073E-11 6.168193718770872E-9 7.719453994465341E-12
node -1.051676035921407E-15 2.683166762281732E-15 1.779838658198073E-11 4.104577009211427E-9 -4.086595315076866E-9 5.288423048669259E-11
peri -5.460194154225781E-13 1.362326958007573E-12 6.168193718770872E-9 -4.086595315076866E-9 5.495879992512459E-9 -5.087059519822655E-11
i -4.183398702791302E-15 1.177428831600253E-14 7.719453994465341E-12 5.288423048669259E-11 -5.087059519822655E-11 2.478080787081862E-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 16.77   n/a MPCxxxxx  

187766 (1998 DV17)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

Alternate Designations
 1998 DV17 = 2002 AL143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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