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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1600381146563594 1.2193e-07  
a 2.529677943277416 1.7753e-08 au
q 2.124833054547521 3.1628e-07 au
i 3.540830388907444 8.6749e-06 deg
node 290.7652739588756 0.00028929 deg
peri 141.1599845026898 0.00031886 deg
M 275.3882364318656 0.00017902 deg
tp 2459345.901742660175
(2021-May-11.40174266)
0.00073242 TDB
period 1469.590304160643
4.02
1.547e-05
4.235e-08
d
yr
n .2449662324123826 2.5787e-09 deg/d
Q 2.934522832007311 2.0594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7319 days (20.04 yr)  
   first obs. used      2000-10-03  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:49  

Additional Information
 Earth MOID = 1.14095 au 
 Jupiter MOID = 2.33389 au 
 T_jup = 3.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457829.5 (2017-Mar-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607132051808128 1.3397e-07  
q 2.123161687239773 3.5205e-07 au
tp 2457871.477339442423
(2017-Apr-27.97733944)
0.00071602 TDB
node 290.8826636539641 0.00029025 deg
peri 140.1418217852932 0.00031887 deg
i 3.534030502535125 8.6437e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7319 days (20.04 yr)  
   first obs. used      2000-10-03  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:49  

Additional Information
 Jupiter MOID = 2.33389 au 
 T_jup = 3.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.794759797295519E-14 -4.713423253006293E-14 -9.214468429986822E-11 -6.052505139129913E-12 -1.807427485190978E-11 -2.659405678444914E-13
q -4.713423253006293E-14 1.239415411636911E-13 2.417318290739147E-10 1.589109409251717E-11 4.739760030508508E-11 6.983184384667788E-13
tp -9.214468429986822E-11 2.417318290739147E-10 5.126828753800685E-7 3.363635169839643E-8 1.010525240490771E-7 1.47253718499796E-9
node -6.052505139129913E-12 1.589109409251717E-11 3.363635169839643E-8 8.424476471802058E-8 -7.526198016988065E-8 2.239150051374808E-9
peri -1.807427485190978E-11 4.739760030508508E-11 1.010525240490771E-7 -7.526198016988065E-8 1.016812383762924E-7 -1.848595388525072E-9
i -2.659405678444914E-13 6.983184384667788E-13 1.47253718499796E-9 2.239150051374808E-9 -1.848595388525072E-9 7.471298549165931E-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 16.6   n/a MPO440401  
rotation period rot_per 1.03 h n/a LCDB (Rev. 2019-August); 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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