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120370 (2005 OS1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2120370
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06995846779760365 4.2039e-08  
a 1.921775579077231 8.8193e-09 au
q 1.787331104114136 8.1713e-08 au
i 20.63412342850046 4.7424e-06 deg
node 2.165069569318868 1.2848e-05 deg
peri 269.4318531911627 5.556e-05 deg
M 248.515981045874 6.0649e-05 deg
tp 2459301.843999493468
(2021-Mar-28.34399949)
0.00016518 TDB
period 973.0887066628616
2.66
6.6985e-06
1.834e-08
d
yr
n .3699559942840097 2.5467e-09 deg/d
Q 2.056220054040327 9.4363e-09 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1999-02-23  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:57:40  

Additional Information
 Earth MOID = .873089 au 
 Jupiter MOID = 3.0269 au 
 T_jup = 3.842 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457280.5 (2015-Sep-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06990764791416994 4.201e-08  
q 1.78725094218426 8.1651e-08 au
tp 2457355.760231087945
(2015-Nov-29.26023109)
0.00015772 TDB
node 2.188443615307702 1.2844e-05 deg
peri 269.4503792940299 5.5652e-05 deg
i 20.6388182670556 4.7432e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1999-02-23  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:57:40  

Additional Information
 Jupiter MOID = 3.0269 au 
 T_jup = 3.842 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.764802421596014E-15 -3.412966560054272E-15 1.051689859831908E-12 -1.027603732255016E-14 4.021740455531074E-13 1.758988196835292E-14
q -3.412966560054272E-15 6.666943670980227E-15 -1.316989555784267E-12 2.206679988434648E-14 -5.370605030584975E-13 -3.352688649025339E-14
tp 1.051689859831908E-12 -1.316989555784267E-12 2.487653147475386E-8 3.499385863369474E-11 8.554215613317367E-9 1.227386258378649E-11
node -1.027603732255016E-14 2.206679988434648E-14 3.499385863369474E-11 1.64964916236687E-10 -1.42021928601027E-10 -1.090579244066003E-11
peri 4.021740455531074E-13 -5.370605030584975E-13 8.554215613317367E-9 -1.42021928601027E-10 3.097198943357983E-9 1.483748349161051E-11
i 1.758988196835292E-14 -3.352688649025339E-14 1.227386258378649E-11 -1.090579244066003E-11 1.483748349161051E-11 2.249788742142618E-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 16.2   n/a MPO432705  

120370 (2005 OS1)          Discovered 2005-Jul-26 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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