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362031 (2008 YS121)
Classification: Main-belt Asteroid          SPK-ID: 2362031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332213669798574 7.568e-08  
a 2.298729787859235 1.754e-08 au
q 1.99248986320331 1.7382e-07 au
i 5.178375294590393 4.8496e-06 deg
node 269.1704485943491 7.6039e-05 deg
peri 339.1977286227425 8.1885e-05 deg
M 80.33972701690931 3.3214e-05 deg
tp 2459112.408550100718
(2020-Sep-19.90855010)
0.00011766 TDB
period 1273.005594632105
3.49
1.457e-05
3.989e-08
d
yr
n .2827953007575265 3.2367e-09 deg/d
Q 2.604969712515159 1.9877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6058 days (16.59 yr)  
   first obs. used      2004-11-20  
   last obs. used      2021-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:25:07  

Additional Information
 Earth MOID = .979604 au 
 Jupiter MOID = 2.42812 au 
 T_jup = 3.576 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457658.5 (2016-Sep-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329392850427454 7.5776e-08  
q 1.993190715795821 1.7382e-07 au
tp 2457838.710607337926
(2017-Mar-26.21060734)
0.00011962 TDB
node 269.2228121086632 7.601e-05 deg
peri 338.9155672347033 8.1829e-05 deg
i 5.179258173211561 4.8504e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6058 days (16.59 yr)  
   first obs. used      2004-11-20  
   last obs. used      2021-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:25:07  

Additional Information
 Jupiter MOID = 2.42812 au 
 T_jup = 3.576 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.742040836373647E-15 -1.312232814298528E-14 -5.77847700075739E-12 -1.851033786110822E-14 -1.248074646823381E-12 -1.313811165849749E-14
q -1.312232814298528E-14 3.021369115494524E-14 1.292403583697287E-11 4.594394121835517E-14 2.757839153179745E-12 2.99566534742554E-14
tp -5.77847700075739E-12 1.292403583697287E-11 1.430955951796275E-8 1.397715800097393E-11 3.654165859900835E-9 2.721518470972446E-11
node -1.851033786110822E-14 4.594394121835517E-14 1.397715800097393E-11 5.777482086418239E-9 -5.751227750544443E-9 -5.375224989717379E-13
peri -1.248074646823381E-12 2.757839153179745E-12 3.654165859900835E-9 -5.751227750544443E-9 6.695964266276565E-9 7.361700386818617E-12
i -1.313811165849749E-14 2.99566534742554E-14 2.721518470972446E-11 -5.375224989717379E-13 7.361700386818617E-12 2.352668341480194E-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 17.27   n/a E2021B25  

362031 (2008 YS121)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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