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376856 (2001 SN290)
Classification: Main-belt Asteroid          SPK-ID: 2376856
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3274601847057252 5.2155e-08  
a 3.164080219141346 2.723e-08 au
q 2.127969926157589 1.6771e-07 au
i 16.16694800051049 7.4899e-06 deg
node 250.22391347847 3.072e-05 deg
peri 131.9682874955048 3.349e-05 deg
M 86.77937843551359 1.3909e-05 deg
tp 2458504.954325392686
(2019-Jan-21.45432539)
7.5947e-05 TDB
period 2055.746953652138
5.63
2.6537e-05
7.265e-08
d
yr
n .175118829367808 2.2606e-09 deg/d
Q 4.200190512125102 3.6147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-06-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:49:06  

Additional Information
 Earth MOID = 1.16861 au 
 Jupiter MOID = 1.51406 au 
 T_jup = 3.060 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457537.5 (2016-May-29.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3257200617889191 5.1926e-08  
q 2.13522903316715 1.6608e-07 au
tp 2458505.838179220662
(2019-Jan-22.33817922)
7.6308e-05 TDB
node 250.2623333825853 3.075e-05 deg
peri 131.8545522272836 3.3568e-05 deg
i 16.14529649767294 7.4848e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-06-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:49:06  

Additional Information
 Jupiter MOID = 1.51406 au 
 T_jup = 3.060 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.696296803528725E-15 -8.573988612065066E-15 -1.097491779262583E-12 -1.649472366314904E-14 -2.43021705286118E-13 -1.662322400788907E-14
q -8.573988612065066E-15 2.758383882322808E-14 4.089691335293204E-12 8.337345304418114E-14 8.229141457745551E-13 6.610824466307174E-14
tp -1.097491779262583E-12 4.089691335293204E-12 5.822899861713305E-9 7.438409906868236E-11 1.135840275416687E-9 3.169241485935547E-11
node -1.649472366314904E-14 8.337345304418114E-14 7.438409906868236E-11 9.45567831084352E-10 -8.915009540238943E-10 9.17185388374998E-11
peri -2.43021705286118E-13 8.229141457745551E-13 1.135840275416687E-9 -8.915009540238943E-10 1.126789075323971E-9 -8.144993574621824E-11
i -1.662322400788907E-14 6.610824466307174E-14 3.169241485935547E-11 9.17185388374998E-11 -8.144993574621824E-11 5.602223204345786E-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 15.5   n/a MPO455717  

376856 (2001 SN290)          Discovered 2001-Sep-30 by NEAT at Palomar
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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