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295590 (2008 SR134)
Classification: Main-belt Asteroid          SPK-ID: 2295590
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602243986930342 1.0205e-07  
a 2.52951476420985 1.6232e-08 au
q 2.124224782129175 2.6402e-07 au
i 3.540737966373221 7.1643e-06 deg
node 290.7660899749544 0.00025214 deg
peri 141.2545525940402 0.00027979 deg
M 12.33642031700648 0.00014602 deg
tp 2459346.145195757966
(2021-May-11.64519576)
0.00059588 TDB
period 1469.448110659943
4.02
1.4144e-05
3.872e-08
d
yr
n .2449899369623339 2.3582e-09 deg/d
Q 2.934804746290526 1.8833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      7399 days (20.26 yr)  
   first obs. used      2000-10-03  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:15:07  

Additional Information
 Earth MOID = 1.14015 au 
 Jupiter MOID = 2.33408 au 
 T_jup = 3.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458001.5 (2017-Sep-05.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606122973919334 1.1244e-07  
q 2.123161912615692 2.9438e-07 au
tp 2457871.444682510588
(2017-Apr-27.94468251)
0.00058455 TDB
node 290.8800854333797 0.00025294 deg
peri 140.1336144265046 0.00027991 deg
i 3.534257645921668 7.1369e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      7399 days (20.26 yr)  
   first obs. used      2000-10-03  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:15:07  

Additional Information
 Jupiter MOID = 2.33408 au 
 T_jup = 3.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.264263718379146E-14 -3.30720792893575E-14 -6.203998513074294E-11 -3.148370465011889E-12 -1.310584363918895E-11 -1.493196560407892E-13
q -3.30720792893575E-14 8.666232566160546E-14 1.61910259793763E-10 8.231444598766409E-12 3.418450635841018E-11 3.90410695945525E-13
tp -6.203998513074294E-11 1.61910259793763E-10 3.416998824685502E-7 1.730823732762506E-8 7.267456873716937E-8 8.153589325405889E-10
node -3.148370465011889E-12 8.231444598766409E-12 1.730823732762506E-8 6.397860189355169E-8 -5.930906159943533E-8 1.548260044614222E-9
peri -1.310584363918895E-11 3.418450635841018E-11 7.267456873716937E-8 -5.930906159943533E-8 7.835214544624285E-8 -1.331001030011219E-9
i -1.493196560407892E-13 3.90410695945525E-13 8.153589325405889E-10 1.548260044614222E-9 -1.331001030011219E-9 5.093476030541417E-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 16.65   n/a E2021B55  
rotation period rot_per 1.03 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

295590 (2008 SR134)          Discovered 2008-Sep-23 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 SR134 = 2004 TD360 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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