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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0583930007373378 6.6359e-08  
a 2.273701987580938 1.9261e-08 au
q 2.140933705743638 1.5422e-07 au
i 7.340402820204443 7.7048e-06 deg
node 90.70270510965253 5.2938e-05 deg
peri 10.28169349255746 9.4587e-05 deg
M 320.0141183335884 7.7737e-05 deg
tp 2458739.592244296285
(2019-Sep-13.09224430)		 0.00027108 TDB
period 1252.272198582642
3.43		 1.5912e-05
4.356e-08		 d
yr
n .2874774353430975 3.6529e-09 deg/d
Q 2.406470269418238 2.0386e-08 au
   Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      6172 days (16.90 yr)  
   first obs. used      2001-10-23  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55571  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:55:17  

Additional Information
 Earth MOID = 1.1583 au 
 Jupiter MOID = 2.67716 au 
 T_jup = 3.597 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456966.5 (2014-Nov-05.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05766166547013766 6.626e-08  
q 2.142751012155116 1.5387e-07 au
tp 2457487.465301935263
(2016-Apr-08.96530194)		 0.000269 TDB
node 90.75169422184393 5.2955e-05 deg
peri 10.26224599160659 9.5427e-05 deg
i 7.338833282452637 7.701e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      6172 days (16.90 yr)  
   first obs. used      2001-10-23  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55571  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:55:17  

Additional Information
 Jupiter MOID = 2.67716 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.390400540588606E-15 -1.012497423928298E-14 -6.055592781945884E-12 -2.400363083718884E-14 -1.604122266725838E-12 -2.14464559254118E-15
q -1.012497423928298E-14 2.367493691791304E-14 1.536993158268918E-11 5.46110305202733E-14 4.083527609411419E-12 5.784821738190345E-15
tp -6.055592781945884E-12 1.536993158268918E-11 7.235945007735135E-8 4.379731961239505E-12 2.13734995719012E-8 3.868504346814229E-11
node -2.400363083718884E-14 5.46110305202733E-14 4.379731961239505E-12 2.804263215079414E-9 -2.780756047093648E-9 -1.786628017555266E-10
peri -1.604122266725838E-12 4.083527609411419E-12 2.13734995719012E-8 -2.780756047093648E-9 9.106346274160663E-9 1.889213747503807E-10
i -2.14464559254118E-15 5.784821738190345E-15 3.868504346814229E-11 -1.786628017555266E-10 1.889213747503807E-10 5.930512793699401E-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

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