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(2015 SR)
Classification: Apollo [NEO]          SPK-ID: 3728372
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2457285.5 (2015-Sep-20.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .560993055718391 0.0017314  
a 1.911240789794641 0.0066945 au
q .8390479789141145 0.00037043 au
i 3.461118320388104 0.010432 deg
node 350.430878212184 0.0067225 deg
peri 71.84224381736989 0.011289 deg
M 340.8393777402326 0.11134 deg
tp 2457336.866342540456
(2015-Nov-10.36634254)		 0.028658 TDB
period 965.0982658007164
2.64		 5.0707
0.01388		 d
yr
n .3730190103505342 0.0019599 deg/d
Q 2.983433600675168 0.01045 au
   Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      5 days  
   first obs. used      2015-09-18  
   last obs. used      2015-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .32318  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:31:50  

Additional Information
 Earth MOID = .0155267 au 
 Jupiter MOID = 2.39523 au 
 T_jup = 3.724 
[ show covariance matrix ]

[ 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 24.5   n/a MPO347500  

[ hide close-approach data ]
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
1963-Feb-15 05:37 6_07:48 Earth 0.47023907352961 0.375628329877766 0.564894759658666 26.6899094789442 26.689697179787 2438075.734280107 9107.94542168798 4724540.79965435 2796.68601098471 -2.73370855810373 1113.33910360409 T 7 CATAB v2.0e-lin.ifort 2017-Nov-30 07:34:11 2018-Dec-11 16:43
1963-May-05 16:11 9_04:28 Mars 0.0620394087307224 0.0481433553495982 0.0759937603579755 14.9477624239051 14.9474537024341 2438155.174281754 13227.8304568248 700843.906796683 14501.0681186062 7.58262614046389 84.779296773394 T 7 CATAB v2.0e-lin.ifort 2017-Nov-30 07:34:11 2018-Dec-11 16:43
2015-Oct-03 01:00 00:05 Earth 0.0376923127363045 0.0373404787841151 0.0380441403489655 11.6643771329247 11.658315203396 2457298.541444547 5.44369234599005 17527.4275292316 89.960947016716 0.266065034645676 242.980804918553 T 7 CATAB v2.0e-lin.ifort 2017-Nov-30 07:34:11 2018-Dec-11 16:43
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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