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351643 (2005 YM78)
Classification: Main-belt Asteroid          SPK-ID: 2351643
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 .05828070954154449 5.3789e-08  
a 2.273349699268208 1.6209e-08 au
q 2.1408572657588 1.1888e-07 au
i 7.340354091819299 6.2576e-06 deg
node 90.70194418268511 4.538e-05 deg
peri 10.07126130440748 8.441e-05 deg
M 75.21182921516638 6.8777e-05 deg
tp 2458738.933906037464
(2019-Sep-12.43390604)
0.00023869 TDB
period 1251.981168509127
3.43
1.339e-05
3.666e-08
d
yr
n .2875442610919556 3.0752e-09 deg/d
Q 2.405842132777616 1.7153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6676 days (18.28 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:23  

Additional Information
 Earth MOID = 1.15809 au 
 Jupiter MOID = 2.67652 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457318.5 (2015-Oct-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0576065420699079 5.3692e-08  
q 2.14255696317266 1.1851e-07 au
tp 2457488.038035934721
(2016-Apr-09.53803593)
0.00024017 TDB
node 90.74528235810999 4.5398e-05 deg
peri 10.44427748876504 8.5206e-05 deg
i 7.338714774772315 6.2554e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6676 days (18.28 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:23  

Additional Information
 Jupiter MOID = 2.67652 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.882835196239531E-15 -6.314772461094011E-15 -1.333928635115861E-12 -1.139520991227682E-14 -3.482994414513902E-13 -1.469771201584528E-15
q -6.314772461094011E-15 1.40457948918819E-14 3.428700181454541E-12 2.710376748402717E-14 9.027783906492813E-13 3.284994855087407E-15
tp -1.333928635115861E-12 3.428700181454541E-12 5.76799025794205E-8 1.021837330182688E-10 1.734058019817434E-8 1.289953935210636E-11
node -1.139520991227682E-14 2.710376748402717E-14 1.021837330182688E-10 2.061004756863001E-9 -2.01330065032705E-9 -5.685479906214431E-11
peri -3.482994414513902E-13 9.027783906492813E-13 1.734058019817434E-8 -2.01330065032705E-9 7.260143961563491E-9 6.050139946254365E-11
i -1.469771201584528E-15 3.284994855087407E-15 1.289953935210636E-11 -5.685479906214431E-11 6.050139946254365E-11 3.912973719026603E-11

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 MPO455545  

351643 (2005 YM78)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ 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
1963-Jan-16 16:12 00:03 Thisb 0.0119581359934311 0.0119569367999427 0.0119593381172113 5.03936688681658 5.0393667736716 2438046.175273768 2.85920073107772 1089.47482695844 57.6075251510346 -89.1450796621775 31037.2319261841 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 23:56:26 2020-Feb-25 23:56
2110-Jun-13 14:08 00:04 Thisb 0.0270034938779614 0.0269676525508657 0.0270393375871134 5.22206420535647 5.22206415700467 2491885.088911807 4.31798302307859 1831.03510199729 64.1425601468474 -12.6317848534415 13933.602805996 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 23:56:26 2020-Feb-25 23:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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