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101290 (1998 SO125)
Classification: Main-belt Asteroid          SPK-ID: 2101290
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748496671336417 5.175e-08  
a 2.558834881229996 1.4006e-08 au
q 2.11142345399698 1.3582e-07 au
i 4.581462359353265 4.3472e-06 deg
node 72.86093583531498 7.3509e-05 deg
peri 292.2874297684495 7.5434e-05 deg
M 111.3836616539296 1.9764e-05 deg
tp 2458537.926434846254
(2019-Feb-23.42643485)
7.9703e-05 TDB
period 1495.071009361753
4.09
1.2275e-05
3.361e-08
d
yr
n .2407912385069151 1.977e-09 deg/d
Q 3.006246308463012 1.6455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      10769 days (29.48 yr)  
   first obs. used      1990-11-19  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:23  

Additional Information
 Earth MOID = 1.11498 au 
 Jupiter MOID = 2.46191 au 
 T_jup = 3.410 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456603.5 (2013-Nov-07.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756954603434991 5.2319e-08  
q 2.108858724122604 1.3761e-07 au
tp 2457038.815869824363
(2015-Jan-16.31586982)
7.1743e-05 TDB
node 72.98130155693022 7.368e-05 deg
peri 291.3870406666194 7.5536e-05 deg
i 4.578412290451529 4.342e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      10769 days (29.48 yr)  
   first obs. used      1990-11-19  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:23  

Additional Information
 Jupiter MOID = 2.46191 au 
 T_jup = 3.410 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.737300262054559E-15 -7.175542218671918E-15 -1.976786100217441E-12 4.460132380847033E-14 -4.403312701629632E-13 -4.614426582058892E-15
q -7.175542218671918E-15 1.893595952832631E-14 5.505723129950057E-12 -1.176354098373896E-13 1.22096065170221E-12 1.266849295161927E-14
tp -1.976786100217441E-12 5.505723129950057E-12 5.147088678858987E-9 -4.857111521062008E-11 1.23950797075004E-9 7.686952907762244E-12
node 4.460132380847033E-14 -1.176354098373896E-13 -4.857111521062008E-11 5.428706106699266E-9 -5.421687357842388E-9 7.885049199665297E-11
peri -4.403312701629632E-13 1.22096065170221E-12 1.23950797075004E-9 -5.421687357842388E-9 5.705724146738652E-9 -7.692977111183217E-11
i -4.614426582058892E-15 1.266849295161927E-14 7.686952907762244E-12 7.885049199665297E-11 -7.692977111183217E-11 1.88527967771808E-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 16.07   n/a E2021B55  
diameter diameter 3.339 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101290 (1998 SO125)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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