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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 ]

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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.


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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 
[ show covariance matrix ]

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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