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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07276796024299331 3.6225e-08  
a 2.94575596579286 2.0512e-08 au
q 2.731399312788485 1.0372e-07 au
i 1.978194560658865 4.2994e-06 deg
node 26.92939129811926 0.00012362 deg
peri 244.8121495139138 0.00013019 deg
M 34.62576386155568 3.7352e-05 deg
tp 2458822.880583968794
(2019-Dec-05.38058397)
0.00019223 TDB
period 1846.688206703474
5.06
1.9289e-05
5.281e-08
d
yr
n .1949435744990415 2.0362e-09 deg/d
Q 3.160112618797235 2.2005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      8272 days (22.65 yr)  
   first obs. used      1998-02-23  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:49:28  

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

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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 00:03 Jupiter 1.90830614774801 1.9083057077621 1.90830658773424 2.96212458795031 2.80828421663968 2417015.705088493 3.49038682782916 99.7198973592052 13.6871730554225 83.7874966088968 3366577.90008311 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:49:29 2020-Nov-12 15:49
1940-Sep-13 06:09 00:02 Jupiter 1.91408070237691 1.91408029489262 1.91408110986109 3.07559320308782 2.92817859245788 2429885.756122117 2.35530210411225 93.5821451991969 13.2825074084683 88.8929187855473 3193022.75062169 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:49:29 2020-Nov-12 15:49
1975-Dec-10 16:28 00:01 Jupiter 1.94390919623325 1.94390876061297 1.94390963185353 3.27147042936661 3.13545143847357 2442757.186198928 1.24490971253535 66.8202667770253 15.1667667658194 -89.3288446963082 3095221.11426025 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:49:29 2020-Nov-12 15:49
2011-Mar-06 11:00 < 00:01 Jupiter 1.97956412687101 1.97956362834981 1.97956462539222 3.49854152174313 3.37402224264231 2455626.958159473 0.220094175192637 37.8155630690584 18.2996768010079 -83.1197042808967 2859050.98539265 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:49:29 2020-Nov-12 15:49
2108-Apr-26 03:13 00:03 Jupiter 1.97303485070636 1.97303430614547 1.97303539526725 2.94888843229148 2.79952573663678 2491106.633918941 2.92160729620624 41.0611252922974 22.148696720406 -88.9863039958313 3591688.41849139 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:49:29 2020-Nov-12 15:49
2143-Jul-22 14:55 00:04 Jupiter 1.94309385807005 1.94309335310211 1.9430943630381 2.90234728473283 2.74805222674901 2503977.121517352 4.00352512255425 54.0445185583409 19.8534869817968 77.3723744124179 3876691.03094074 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:49:29 2020-Nov-12 15:49
2178-Oct-15 23:32 00:05 Jupiter 1.92013800231358 1.92013764235684 1.92013836227022 2.89859499375943 2.74218913098957 2516846.480578604 5.10236604856495 92.0237842827437 13.0706301602024 83.3218035595288 3422608.77352825 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:49:29 2020-Nov-12 15:49

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