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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1600381175922178 1.2017e-07  
a 2.529677942676819 1.7252e-08 au
q 2.124833046616267 3.1133e-07 au
i 3.540831835492577 8.0373e-06 deg
node 290.7653127998127 0.00027578 deg
peri 141.1599405444685 0.00030668 deg
M 275.3882414761282 0.00017538 deg
tp 2459345.901721945502
(2021-May-11.40172195)
0.0007174 TDB
period 1469.590303637276
4.02
1.5034e-05
4.116e-08
d
yr
n .2449662324996227 2.506e-09 deg/d
Q 2.934522838737371 2.0013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      7343 days (20.10 yr)  
   first obs. used      2000-10-03  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:05:29  

Additional Information
 Earth MOID = 1.14095 au 
 Jupiter MOID = 2.33389 au 
 T_jup = 3.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457917.5 (2017-Jun-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606442949106031 1.3201e-07  
q 2.12316055395641 3.4654e-07 au
tp 2457871.454584177874
(2017-Apr-27.95458418)
0.00070198 TDB
node 290.8803848265908 0.00027668 deg
peri 140.1362293812475 0.00030668 deg
i 3.534192845700647 8.0078e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      7343 days (20.10 yr)  
   first obs. used      2000-10-03  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:05:29  

Additional Information
 Jupiter MOID = 2.33389 au 
 T_jup = 3.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.742779895171128E-14 -4.571987072755411E-14 -8.892606710006388E-11 -5.609418015360354E-12 -1.768747000639714E-11 -2.480823427463691E-13
q -4.571987072755411E-14 1.20092041174841E-13 2.329722251958194E-10 1.471137485563914E-11 4.631876065305643E-11 6.506809251734206E-13
tp -8.892606710006388E-11 2.329722251958194E-10 4.927689919215765E-7 3.103198460342322E-8 9.852159371607762E-8 1.367069892192469E-9
node -5.609418015360354E-12 1.471137485563914E-11 3.103198460342322E-8 7.655332867437174E-8 -6.826277200040104E-8 1.953904838740513E-9
peri -1.768747000639714E-11 4.631876065305643E-11 9.852159371607762E-8 -6.826277200040104E-8 9.405001452895172E-8 -1.591308533093339E-9
i -2.480823427463691E-13 6.506809251734206E-13 1.367069892192469E-9 1.953904838740513E-9 -1.591308533093339E-9 6.412468070067419E-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. 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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