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185548 (2007 YG45)
Classification: Main-belt Asteroid          SPK-ID: 2185548
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07643626021674541 2.0057e-07  
a 2.110703552076746 2.109e-08 au
q 1.949369266129799 4.3079e-07 au
i .8975605859289191 1.5245e-05 deg
node 157.6145360301361 0.00098229 deg
peri 114.705291600024 0.00098523 deg
M 228.2026038155817 7.3736e-05 deg
tp 2459410.556422065898
(2021-Jul-15.05642207)
0.00022695 TDB
period 1120.054843398915
3.07
1.6787e-05
4.596e-08
d
yr
n .3214128327033925 4.8174e-09 deg/d
Q 2.272037838023693 2.2702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5427 days (14.86 yr)  
   first obs. used      2000-08-27  
   last obs. used      2015-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62006  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 06:21:34  

Additional Information
 Earth MOID = .933301 au 
 Jupiter MOID = 2.77528 au 
 T_jup = 3.735 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456004.5 (2012-Mar-18.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07693152207812745 1.9946e-07  
q 1.948230198764456 4.2852e-07 au
tp 2456048.739146784233
(2012-May-01.23914678)
0.00025139 TDB
node 157.6561592146841 0.00098294 deg
peri 114.1246448731744 0.00098589 deg
i .8965832286231993 1.5243e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5427 days (14.86 yr)  
   first obs. used      2000-08-27  
   last obs. used      2015-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62006  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 06:21:34  

Additional Information
 Jupiter MOID = 2.77528 au 
 T_jup = 3.735 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.978536378190641E-14 -8.539792418018838E-14 4.127816718743225E-11 9.165730104796943E-13 1.24615916760921E-11 -3.032968551311005E-14
q -8.539792418018838E-14 1.83629261307522E-13 -8.982725741670539E-11 -1.955173708372717E-12 -2.714688173881983E-11 6.509608494573711E-14
tp 4.127816718743225E-11 -8.982725741670539E-11 6.319472858659374E-8 1.005859794912187E-9 1.953816415779721E-8 -3.390996628903542E-11
node 9.165730104796943E-13 -1.955173708372717E-12 1.005859794912187E-9 9.661673386292159E-7 -9.65719730036855E-7 -1.287959437167691E-8
peri 1.24615916760921E-11 -2.714688173881983E-11 1.953816415779721E-8 -9.65719730036855E-7 9.719832662648124E-7 1.28670295972607E-8
i -3.032968551311005E-14 6.509608494573711E-14 -3.390996628903542E-11 -1.287959437167691E-8 1.28670295972607E-8 2.323403790024127E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO345380  

185548 (2007 YG45)          Discovered 2007-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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