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351636 (2005 YQ23)
Classification: Main-belt Asteroid          SPK-ID: 2351636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1017313491336777 5.5481e-08  
a 2.271540556241773 2.0177e-08 au
q 2.040453670843432 1.3245e-07 au
i 6.415940719288018 6.2993e-06 deg
node 285.6873107765455 4.2526e-05 deg
peri 343.30678579 4.9772e-05 deg
M 277.5931857564893 2.6038e-05 deg
tp 2459286.746242139457
(2021-Mar-13.24624214)
9.1545e-05 TDB
period 1250.486966595963
3.42
1.6661e-05
4.562e-08
d
yr
n .2878878465882622 3.8357e-09 deg/d
Q 2.502627441640113 2.223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5616 days (15.38 yr)  
   first obs. used      2004-09-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:12  

Additional Information
 Earth MOID = 1.02518 au 
 Jupiter MOID = 2.58146 au 
 T_jup = 3.597 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457133.5 (2015-Apr-21.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022186529107885 5.5401e-08  
q 2.039339886156997 1.3234e-07 au
tp 2456785.324095970107
(2014-May-07.82409597)
8.6956e-05 TDB
node 285.7515328382379 4.2524e-05 deg
peri 343.20474580371 4.9726e-05 deg
i 6.416203254278437 6.2996e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5616 days (15.38 yr)  
   first obs. used      2004-09-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:12  

Additional Information
 Jupiter MOID = 2.58146 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.069277444362472E-15 -7.269075971546859E-15 1.094836296917843E-12 -5.335634122293623E-15 2.802443906492748E-13 -1.676837663361528E-15
q -7.269075971546859E-15 1.751423282743056E-14 -2.584304631202777E-12 1.486259701499038E-14 -6.437016305860868E-13 4.807508797471187E-15
tp 1.094836296917843E-12 -2.584304631202777E-12 7.561278553153005E-9 -1.635529227826846E-11 2.253796698398382E-9 -2.942255837915568E-12
node -5.335634122293623E-15 1.486259701499038E-14 -1.635529227826846E-11 1.808311997628123E-9 -1.800867953615301E-9 1.313006407859777E-11
peri 2.802443906492748E-13 -6.437016305860868E-13 2.253796698398382E-9 -1.800867953615301E-9 2.472688505996447E-9 -1.386133716902387E-11
i -1.676837663361528E-15 4.807508797471187E-15 -2.942255837915568E-12 1.313006407859777E-11 -1.386133716902387E-11 3.968558281015999E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO460398  

351636 (2005 YQ23)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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