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136851 (1998 DY8)
Classification: Main-belt Asteroid          SPK-ID: 2136851
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0727679609068574 4.6813e-08  
a 2.945755965981323 2.7695e-08 au
q 2.731399311007653 1.4364e-07 au
i 1.978192737390278 5.8293e-06 deg
node 26.92944895204571 0.00014744 deg
peri 244.812063113368 0.00015307 deg
M 34.62578965945696 3.9162e-05 deg
tp 2458822.880451616526
(2019-Dec-05.38045162)
0.00020099 TDB
period 1846.688206880695
5.06
2.6043e-05
7.13e-08
d
yr
n .1949435744803333 2.7492e-09 deg/d
Q 3.160112620954994 2.9711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7745 days (21.20 yr)  
   first obs. used      1998-02-23  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:25  

Additional Information
 Earth MOID = 1.71595 au 
 Jupiter MOID = 1.90609 au 
 T_jup = 3.266 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456577.5 (2013-Oct-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07108502451985413 4.6709e-08  
q 2.734445398724408 1.427e-07 au
tp 2456986.102570590742
(2014-Nov-24.60257059)
0.00021045 TDB
node 27.06248556563479 0.00014708 deg
peri 246.5687011630727 0.00015304 deg
i 1.981406414506448 5.836e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7745 days (21.20 yr)  
   first obs. used      1998-02-23  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:25  

Additional Information
 Jupiter MOID = 1.90609 au 
 T_jup = 3.266 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.181689211760267E-15 -6.562905874561368E-15 -1.391840389961607E-12 1.055136904261931E-14 -2.796474892448233E-13 2.44437003681559E-17
q -6.562905874561368E-15 2.036329927767991E-14 3.051323850826234E-12 -3.667631223577445E-14 5.976319702142181E-13 2.427966520877616E-16
tp -1.391840389961607E-12 3.051323850826234E-12 4.428934695855697E-8 -9.483772366900074E-11 8.927837920843947E-9 -1.269381120436351E-12
node 1.055136904261931E-14 -3.667631223577445E-14 -9.483772366900074E-11 2.163229294901242E-8 -2.163797918243519E-8 7.51445216775555E-11
peri -2.796474892448233E-13 5.976319702142181E-13 8.927837920843947E-9 -2.163797918243519E-8 2.342117664619623E-8 -7.53442906993724E-11
i 2.44437003681559E-17 2.427966520877616E-16 -1.269381120436351E-12 7.51445216775555E-11 -7.53442906993724E-11 3.4059065523613E-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 15.8   n/a MPO436675  

136851 (1998 DY8)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 DY8 = 2005 QT62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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