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34491 (2000 SB138)
Classification: Main-belt Asteroid          SPK-ID: 2034491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694816540864885 4.7365e-08  
a 2.222899096463624 9.7972e-09 au
q 1.846158480727608 1.0708e-07 au
i 5.364680500865652 4.572e-06 deg
node 257.7993868606168 5.072e-05 deg
peri 333.2328543172951 5.252e-05 deg
M 104.5960130414108 1.2205e-05 deg
tp 2458648.785170029336
(2019-Jun-14.28517003)
4.1671e-05 TDB
period 1210.536951722145
3.31
8.003e-06
2.191e-08
d
yr
n .2973886914297441 1.9661e-09 deg/d
Q 2.59963971219964 1.1458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      15695 days (42.97 yr)  
   first obs. used      1976-05-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:51:26  

Additional Information
 Earth MOID = .837078 au 
 Jupiter MOID = 2.40501 au 
 T_jup = 3.623 
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Orbital Elements at Epoch 2456764.5 (2014-Apr-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697220080758419 4.7368e-08  
q 1.845511271024699 1.0708e-07 au
tp 2456227.287135853824
(2012-Oct-26.78713585)
4.8826e-05 TDB
node 257.8586780903776 5.0692e-05 deg
peri 333.2808838538616 5.2482e-05 deg
i 5.366544454963432 4.5735e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      15695 days (42.97 yr)  
   first obs. used      1976-05-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:51:26  

Additional Information
 Jupiter MOID = 2.40501 au 
 T_jup = 3.623 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.243727548502414E-15 -5.058065579534998E-15 -2.494445243700802E-13 -3.83486750726043E-14 -1.793143094715E-14 -3.642298283523626E-15
q -5.058065579534998E-15 1.146639462131713E-14 3.224744981742914E-13 8.719168991725272E-14 -1.954891354505346E-14 8.232528088944579E-15
tp -2.494445243700802E-13 3.224744981742914E-13 2.383957283518973E-9 7.124617148351564E-12 6.827646244435867E-10 1.200061165470442E-12
node -3.83486750726043E-14 8.719168991725272E-14 7.124617148351564E-12 2.569649532802497E-9 -2.555575839622013E-9 -7.515078083648454E-11
peri -1.793143094715E-14 -1.954891354505346E-14 6.827646244435867E-10 -2.555575839622013E-9 2.754347199495886E-9 7.515382968894745E-11
i -3.642298283523626E-15 8.232528088944579E-15 1.200061165470442E-12 -7.515078083648454E-11 7.515382968894745E-11 2.091689022454234E-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 15.2   n/a MPO474198  
diameter diameter 2.443 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.356   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34491 (2000 SB138)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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