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105724 (2000 SN81)
Classification: Main-belt Asteroid          SPK-ID: 2105724
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277831100070679 4.1461e-08  
a 2.419035994742371 9.5246e-09 au
q 1.868020452640913 9.9461e-08 au
i 2.378625863508071 3.4759e-06 deg
node 138.2917816138745 0.00011599 deg
peri 266.8870631893491 0.00011668 deg
M 59.38503528941016 8.6579e-06 deg
tp 2458773.807871150201
(2019-Oct-17.30787115)
3.3446e-05 TDB
period 1374.237903340617
3.76
8.1163e-06
2.222e-08
d
yr
n .2619633755733856 1.5472e-09 deg/d
Q 2.970051536843829 1.1694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      9517 days (26.06 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 02:27:50  

Additional Information
 Earth MOID = .879156 au 
 Jupiter MOID = 2.43239 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457265.5 (2015-Aug-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2269216523270484 4.153e-08  
q 1.870488522421029 9.9508e-08 au
tp 2457396.449558250956
(2016-Jan-08.94955825)
3.7255e-05 TDB
node 138.3941530729433 0.00011589 deg
peri 266.2303455042904 0.0001166 deg
i 2.378772032538711 3.4782e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      9517 days (26.06 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 02:27:50  

Additional Information
 Jupiter MOID = 2.43239 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.724732320255173E-15 -4.12191782056729E-15 -3.459584062167106E-13 -8.082122753620493E-15 -1.297458360200408E-13 -3.152071893075424E-15
q -4.12191782056729E-15 9.901871655704665E-15 7.080117480581845E-13 2.288500244302702E-14 2.688431374345307E-13 7.588142908139351E-15
tp -3.459584062167106E-13 7.080117480581845E-13 1.387971210127518E-9 -2.475143627007047E-11 5.017900894086956E-10 2.004673582412933E-13
node -8.082122753620493E-15 2.288500244302702E-14 -2.475143627007047E-11 1.343143006797819E-8 -1.342753796168904E-8 2.999113929749378E-11
peri -1.297458360200408E-13 2.688431374345307E-13 5.017900894086956E-10 -1.342753796168904E-8 1.35962574791014E-8 -2.986401075548804E-11
i -3.152071893075424E-15 7.588142908139351E-15 2.004673582412933E-13 2.999113929749378E-11 -2.986401075548804E-11 1.209755240812613E-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 16.3   n/a MPO348148  

105724 (2000 SN81)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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