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178247 (2007 DB8)
Classification: Main-belt Asteroid          SPK-ID: 2178247
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788974861138679 3.9281e-08  
a 2.773035681033193 2.3672e-08 au
q 2.276946568792297 1.1537e-07 au
i 11.42977341873026 5.2809e-06 deg
node 81.72465187231127 2.2951e-05 deg
peri 64.36035253846956 2.9594e-05 deg
M 316.1821182268145 1.9821e-05 deg
tp 2459205.796002042394
(2020-Dec-22.29600204)
9.4524e-05 TDB
period 1686.675798657369
4.62
2.1597e-05
5.913e-08
d
yr
n .213437579579056 2.733e-09 deg/d
Q 3.269124793274088 2.7906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7948 days (21.76 yr)  
   first obs. used      1998-04-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 18:18:36  

Additional Information
 Earth MOID = 1.31657 au 
 Jupiter MOID = 1.87546 au 
 T_jup = 3.284 
[ 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 16.0   n/a MPO493991  

178247 (2007 DB8)          Discovered 2007-Feb-21 by Lowe, A. at Mayhill
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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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
1903-Apr-16 06:01 00:05 Jupiter 1.87901408631198 1.87901341305549 1.87901475958913 1.60054063495713 1.288475744053 2416220.750730517 4.75185314967342 545.787773240086 63.8938655224763 66.690414418626 1986810.89633167 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 18:18:56 2020-Feb-24 18:19
1925-Oct-27 18:00 00:04 Jupiter 1.9957044753058 1.99570278668966 1.99570616392715 2.95209572505281 2.80464320999546 2424451.250157669 3.53526489308161 211.319641701651 26.3821369854891 -79.1302959282754 1630002.0601498 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 18:18:56 2020-Feb-24 18:19
1986-Aug-13 05:19 00:01 Jupiter 1.8962920674485 1.89629144761078 1.89629268728848 1.53669610695258 1.21164717359001 2446655.721646457 1.36336863289703 216.497250490336 91.7814106933166 -85.249805491527 1836948.84105457 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 18:18:56 2020-Feb-24 18:19
2009-Feb-16 10:46 < 00:01 Jupiter 1.94684154849018 1.94684103351359 1.94684206346687 2.56860958783326 2.39324147839131 2454878.948339760 0.423496420435955 64.032716233072 14.2115814102251 77.4470960921302 2037129.49758347 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 18:18:56 2020-Feb-24 18:19
2069-Dec-10 22:11 00:02 Jupiter 1.91060779176609 1.91060715515406 1.91060842838072 1.72109122936344 1.4406604717571 2477091.424405951 2.14788019422376 289.998139663707 73.9547163813565 -69.3171435717535 1403244.68695808 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 18:18:56 2020-Feb-24 18:19
2092-Jun-09 12:53 00:03 Jupiter 1.91510891791011 1.91510813426822 1.91510970155351 2.17330992946292 1.95926198986376 2485308.037141621 2.98630793933176 197.824219746359 22.4338079250175 74.8197747907883 1558416.56752826 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 18:18:56 2020-Feb-24 18:19
2153-Apr-10 19:34 00:06 Jupiter 1.94153075584004 1.94152930963548 1.9415322020734 2.1502520510227 1.9367636056647 2507527.315269947 5.53914984710054 491.203327301617 38.4156417842854 -74.7920256971167 1078278.84409908 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 18:18:56 2020-Feb-24 18:19
2175-Oct-05 10:08 00:06 Jupiter 1.89720162524454 1.89720057844425 1.89720267206424 1.8016470772073 1.53395385444775 2515739.922247122 6.43849492967047 528.65617644794 39.5499685018553 58.7357900997331 1621552.09646728 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 18:18:56 2020-Feb-24 18:19

Alternate Designations
 2007 DB8 = 2002 AZ198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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