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JPL Small-Body Database Browser
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146527 (2001 SX158)
Classification: Main-belt Asteroid          SPK-ID: 2146527
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 .1018950757964556 3.7719e-08  
a 2.725117910978472 1.6622e-08 au
q 2.447441814885042 1.0751e-07 au
i 11.95159468413577 4.9235e-06 deg
node 212.3355926032499 1.8047e-05 deg
peri 242.8338133799825 3.069e-05 deg
M 341.6628559490766 2.382e-05 deg
tp 2459084.196167153191
(2020-Aug-22.69616715)
0.00010884 TDB
period 1643.146833087767
4.50
1.5034e-05
4.116e-08
d
yr
n .2190918016276705 2.0046e-09 deg/d
Q 3.002794007071902 1.8316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      6713 days (18.38 yr)  
   first obs. used      2001-09-10  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:01  

Additional Information
 Earth MOID = 1.48942 au 
 Jupiter MOID = 2.27764 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09969115454784674 3.7636e-08  
q 2.454094613473435 1.0709e-07 au
tp 2457440.150240418501
(2016-Feb-21.65024042)
0.00011071 TDB
node 212.3627458944471 1.8055e-05 deg
peri 242.6994111697143 3.1228e-05 deg
i 11.94488182038851 4.9227e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      6713 days (18.38 yr)  
   first obs. used      2001-09-10  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:01  

Additional Information
 Jupiter MOID = 2.27764 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.41650317409042E-15 -3.993078166079448E-15 -2.216820205772872E-13 1.05189473577083E-14 -5.576498921890351E-16 -2.717073475461418E-15
q -3.993078166079448E-15 1.14685851917719E-14 6.192246890853103E-13 -3.064176716667928E-14 -1.145559449850046E-14 8.062761134899098E-15
tp -2.216820205772872E-13 6.192246890853103E-13 1.225769386159923E-8 -1.935481184745908E-11 2.82767266303024E-9 6.820310441560304E-12
node 1.05189473577083E-14 -3.064176716667928E-14 -1.935481184745908E-11 3.25997454554494E-10 -3.225643293201314E-10 -4.33436969728953E-12
peri -5.576498921890351E-16 -1.145559449850046E-14 2.82767266303024E-9 -3.225643293201314E-10 9.751884652906867E-10 5.661059134100192E-12
i -2.717073475461418E-15 8.062761134899098E-15 6.820310441560304E-12 -4.33436969728953E-12 5.661059134100192E-12 2.423293128102877E-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 15.6   n/a MPO453930  

146527 (2001 SX158)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1970-Aug-17 21:46 < 00:01 Psych 0.035466136933957 0.0354610303143006 0.0354712463310245 4.41869683428606 4.41869675708112 2440816.406887287 0.699077428509983 561.935913286417 40.74298986386 63.3689590222246 116396.098221705 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:03 2020-Feb-24 08:38
1987-Feb-02 01:10 < 00:01 Juno 0.0215477663532107 0.02154211816587 0.0215534146477237 4.2752888342382 4.27528870217608 2446828.548667028 0.961285023275245 292.011845161533 65.6681164376066 15.8909540242746 17112.1199708304 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:03 2020-Feb-24 08:38
2048-Aug-07 20:01 00:05 Iris 0.0402301276385396 0.0402271787614386 0.0402330781832189 3.45537168855847 3.45537164720358 2469296.333941840 4.74604954019035 449.979822169472 41.3447766247819 -71.6545875477363 138128.73924809 T 22 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:03 2020-Feb-24 08:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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