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JPL Small-Body Database Browser
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(2013 SR)
Classification: Amor [NEO]          SPK-ID: 3648467
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3162273947245055 0.00029958  
a 1.505527752893616 0.00070654 au
q 1.029438633910629 3.2096e-05 au
i 7.465987199809961 0.006018 deg
node .1246388511320663 0.00017268 deg
peri 43.68615526985828 0.0027844 deg
M 200.0270399041282 0.90491 deg
tp 2459300.330394105076
(2021-Mar-26.83039411)
1.9071 TDB
period 674.7324161104456
1.85
0.47497
0.0013
d
yr
n .5335448414873138 0.00037559 deg/d
Q 1.981616871876603 0.00092996 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      27 days  
   first obs. used      2013-09-23  
   last obs. used      2013-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50256  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:44:39  

Additional Information
 Earth MOID = .0701906 au 
 Jupiter MOID = 3.44476 au 
 T_jup = 4.468 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456568.5 (2013-Oct-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3163426287850808 0.0002996  
q 1.029541535112954 3.6062e-05 au
tp 2456601.179873836680
(2013-Nov-04.67987384)
0.0043787 TDB
node .2428733725448512 0.00020269 deg
peri 43.49970322348599 0.0030968 deg
i 7.479208731139133 0.0060029 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      27 days  
   first obs. used      2013-09-23  
   last obs. used      2013-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50256  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:44:39  

Additional Information
 Jupiter MOID = 3.44476 au 
 T_jup = 4.468 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.976138123518199E-8 1.080274561716221E-8 -1.310757750766564E-6 -6.009772748113027E-8 -9.255164221692199E-7 1.798425265001648E-6
q 1.080274561716221E-8 1.300440420699702E-9 -1.578503388514196E-7 -7.225715919488915E-9 -1.115078173999956E-7 2.164627210283215E-7
tp -1.310757750766564E-6 -1.578503388514196E-7 1.91730236524296E-5 8.754228224540354E-7 1.355388323457493E-5 -2.626842571000103E-5
node -6.009772748113027E-8 -7.225715919488915E-9 8.754228224540354E-7 4.108251207586383E-8 6.163586039047098E-7 -1.203349855118115E-6
peri -9.255164221692199E-7 -1.115078173999956E-7 1.355388323457493E-5 6.163586039047098E-7 9.590159330318988E-6 -1.855158749612191E-5
i 1.798425265001648E-6 2.164627210283215E-7 -2.626842571000103E-5 -1.203349855118115E-6 -1.855158749612191E-5 3.603448977284457E-5

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.1   n/a E2013T78  
rotation period rot_per 0.1305 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.A.; Binzel, R.P.; Christensen, E.J.; et al. (2018) Astrophys. J. Supp. Series 2391, A4.]

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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