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JPL Small-Body Database Browser
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268515 (2005 YD178)
Classification: Main-belt Asteroid          SPK-ID: 2268515
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02557200467339401 1.1897e-07  
a 2.816683532338386 3.7787e-08 au
q 2.744655287885956 3.3296e-07 au
i .6595482898099032 1.3662e-05 deg
node 342.7600645978642 0.00064605 deg
peri 154.3815835100719 0.00067568 deg
M 353.4828816144097 0.00019723 deg
tp 2459031.757815133124
(2020-Jul-01.25781513)
0.00094609 TDB
period 1726.654754777068
4.73
3.4746e-05
9.513e-08
d
yr
n .2084956468593401 4.1956e-09 deg/d
Q 2.888711776790815 3.8754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6970 days (19.08 yr)  
   first obs. used      1999-09-06  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:21:35  

Additional Information
 Earth MOID = 1.75766 au 
 Jupiter MOID = 2.09389 au 
 T_jup = 3.318 
[ 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 17.1   n/a MPO273626  

268515 (2005 YD178)          Discovered 2005-Dec-22 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ 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
1913-Mar-26 01:22 00:21 Iris 0.0220433866663873 0.0220068351942805 0.0220799520977539 3.38466380756791 3.38466373051675 2419852.557169864 21.3929052670079 2021.2876616251 130.691045377365 25.7436782406864 11048.5977555894 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 06:21:37 2019-Jul-14 06:21
2120-Mar-23 12:03 00:05 Juno 0.0426434121816249 0.0426118506535501 0.042675026833927 5.99434678736568 5.99434673977168 2495456.001765488 5.0424381896824 2850.71080010296 93.1621574589586 -56.5222176661938 57103.109811704 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 06:21:37 2019-Jul-14 06:21
2130-Oct-13 08:34 00:22 Iris 0.0364514867501634 0.0364000497385862 0.0365029272609756 3.63559420930434 3.63559416592506 2499311.857159757 21.6494570699772 2624.94790701645 133.213615904186 12.4314055780993 9035.93955595267 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 06:21:37 2019-Jul-14 06:21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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