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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07276796377716248 4.03e-08  
a 2.945755963685271 2.2915e-08 au
q 2.731399300423461 1.2057e-07 au
i 1.978195169467516 5.0885e-06 deg
node 26.92940683302409 0.00013291 deg
peri 244.8121333263782 0.00013906 deg
M 34.62576511598881 3.775e-05 deg
tp 2458822.880577724562
(2019-Dec-05.38057772)
0.00019413 TDB
period 1846.68820472161
5.06
2.1548e-05
5.9e-08
d
yr
n .1949435747082547 2.2747e-09 deg/d
Q 3.160112626947082 2.4583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      8192 days (22.43 yr)  
   first obs. used      1998-02-23  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:03:50  

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

[ 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
1905-Jun-19 04:55 00:04 Jupiter 1.90830613890645 1.90830568508504 1.90830659272787 2.96212451939082 2.80828414359214 2417015.705155793 3.79831223594968 109.12452915628 14.6417736664322 84.9917205110327 2961849.66384143 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 11:04:08 2020-Aug-25 11:04
1940-Sep-13 06:09 00:03 Jupiter 1.91408068925041 1.91408024779428 1.91408113070655 3.07559312385872 2.92817850820371 2429885.756170356 2.55172954279145 102.655819648997 14.0286192976098 -89.9630109041776 2882044.53780882 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 11:04:08 2020-Aug-25 11:04
1975-Dec-10 16:28 00:01 Jupiter 1.94390918608985 1.94390873281645 1.94390963936314 3.27147037894432 3.13545138513876 2442757.186222145 1.3305980626151 73.2993273601952 15.5433660802098 -88.2692254791318 2928884.73063757 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 11:04:08 2020-Aug-25 11:04
2011-Mar-06 11:00 < 00:01 Jupiter 1.97956412482684 1.97956362613808 1.97956462351548 3.49854149206062 3.3740222117334 2455626.958163203 0.222914051545167 43.9300249927737 18.3440011875905 -84.347859534756 2829681.13179663 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 11:04:08 2020-Aug-25 11:04
2108-Apr-26 03:13 00:03 Jupiter 1.97303482279322 1.97303413454877 1.97303551103757 2.94888833128921 2.7995256280763 2491106.633853454 3.22210514491739 42.2266857153125 26.980211256358 89.0020458134842 2758791.37937868 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 11:04:08 2020-Aug-25 11:04
2143-Jul-22 14:55 00:04 Jupiter 1.94309382980537 1.94309318040155 1.9430944792093 2.90234721148169 2.74805214707761 2503977.121425278 4.41316234203257 57.324284580776 22.8688708940002 72.7705176644487 3144410.32808659 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 11:04:08 2020-Aug-25 11:04
2178-Oct-15 23:32 00:06 Jupiter 1.92013798247604 1.92013752947523 1.92013843547695 2.89859497774572 2.74218911240052 2516846.480466033 5.62042893128047 100.058289816908 15.1283404123136 81.5469893283775 3014958.64516953 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 11:04:08 2020-Aug-25 11:04

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