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437834 (1995 SX31)
Classification: Main-belt Asteroid          SPK-ID: 2437834
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067674942992252 1.7596e-07  
a 2.527049434350699 1.3361e-08 au
q 2.00453775483973 4.4742e-07 au
i 5.590814267436259 1.4864e-05 deg
node 356.1223870460703 9.0366e-05 deg
peri 27.1947149020743 0.00012676 deg
M 30.25293866793766 7.6168e-05 deg
tp 2458877.194031242014
(2020-Jan-28.69403124)
0.00031017 TDB
period 1467.300391545761
4.02
1.1637e-05
3.186e-08
d
yr
n .2453485339976975 1.9458e-09 deg/d
Q 3.049561113861667 1.6124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      8804 days (24.10 yr)  
   first obs. used      1995-09-21  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:45:37  

Additional Information
 Earth MOID = 1.0095 au 
 Jupiter MOID = 2.42378 au 
 T_jup = 3.416 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457639.5 (2016-Sep-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082800833745411 1.8057e-07  
q 1.99989051245476 4.6159e-07 au
tp 2457406.821483969331
(2016-Jan-19.32148397)
0.00029867 TDB
node 356.2977250997225 9.0103e-05 deg
peri 26.4250184464359 0.00012555 deg
i 5.604877937890649 1.4882e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      8804 days (24.10 yr)  
   first obs. used      1995-09-21  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:45:37  

Additional Information
 Jupiter MOID = 2.42378 au 
 T_jup = 3.416 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.260548591335901E-14 -8.332787836436459E-14 -5.023102546331961E-11 1.298156176733516E-12 -1.445641211700254E-11 -4.264959333711973E-13
q -8.332787836436459E-14 2.130620992614194E-13 1.284965624394524E-10 -3.335886061203835E-12 3.700695062883872E-11 1.093787739535711E-12
tp -5.023102546331961E-11 1.284965624394524E-10 8.920326474382926E-8 -2.233848813113818E-9 2.627829536747672E-8 7.346446295718028E-10
node 1.298156176733516E-12 -3.335886061203835E-12 -2.233848813113818E-9 8.118559613115045E-9 -8.676232004260654E-9 -1.170318470402501E-9
peri -1.445641211700254E-11 3.700695062883872E-11 2.627829536747672E-8 -8.676232004260654E-9 1.576346871978887E-8 1.361589499304088E-9
i -4.264959333711973E-13 1.093787739535711E-12 7.346446295718028E-10 -1.170318470402501E-9 1.361589499304088E-9 2.214689785843899E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO495170  

437834 (1995 SX31)          Discovered 1995-Sep-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-07-06

Alternate Designations
 1995 SX31 = 2011 QP49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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