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305610 (2008 YL158)
Classification: Main-belt Asteroid          SPK-ID: 2305610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0432428824160609 4.2839e-08  
a 2.546129134202011 1.5787e-08 au
q 2.436027171435607 1.0942e-07 au
i 4.700217660799911 4.3099e-06 deg
node 126.8811199910926 5.8766e-05 deg
peri 273.6510074518517 7.9994e-05 deg
M 124.7173351576968 5.3436e-05 deg
tp 2458882.404990158583
(2020-Feb-02.90499016)
0.00022004 TDB
period 1483.9493107265
4.06
1.3802e-05
3.779e-08
d
yr
n .2425958874725674 2.2563e-09 deg/d
Q 2.656231096968416 1.647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      10198 days (27.92 yr)  
   first obs. used      1993-03-20  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51254  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:50  

Additional Information
 Earth MOID = 1.44829 au 
 Jupiter MOID = 2.50015 au 
 T_jup = 3.437 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457765.5 (2017-Jan-12.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04268129172167587 4.3362e-08  
q 2.436913888802594 1.1062e-07 au
tp 2457389.282154442181
(2016-Jan-01.78215444)
0.00022053 TDB
node 126.970436615527 5.8795e-05 deg
peri 271.3853366704482 8.0108e-05 deg
i 4.69938993381599 4.3103e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      10198 days (27.92 yr)  
   first obs. used      1993-03-20  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51254  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:50  

Additional Information
 Jupiter MOID = 2.50015 au 
 T_jup = 3.437 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.880277554492155E-15 -4.75224293635987E-15 -2.767590277137377E-12 2.218395895875946E-14 -7.039046433042568E-13 -2.677060793712855E-15
q -4.75224293635987E-15 1.223719285142609E-14 7.007463582367676E-12 -5.53628643071532E-14 1.792935159384061E-12 7.203217256921458E-15
tp -2.767590277137377E-12 7.007463582367676E-12 4.863140025739295E-8 6.057014101882776E-12 1.202500449992235E-8 1.376363649759248E-11
node 2.218395895875946E-14 -5.53628643071532E-14 6.057014101882776E-12 3.456898297820115E-9 -3.443519984198551E-9 5.487094808987348E-11
peri -7.039046433042568E-13 1.792935159384061E-12 1.202500449992235E-8 -3.443519984198551E-9 6.417349053094424E-9 -5.130842395461069E-11
i -2.677060793712855E-15 7.203217256921458E-15 1.376363649759248E-11 5.487094808987348E-11 -5.130842395461069E-11 1.857885230323617E-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 16.90   n/a MPCxxxxx  

305610 (2008 YL158)          Discovered 2008-Dec-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 YL158 = 1995 WZ11 = 2007 TY402 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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