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JPL Small-Body Database Browser
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(2012 SY49)
Classification: Apollo [NEO]          SPK-ID: 3609164
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5569705160289575 0.00056081  
a 1.527872689032145 0.0014993 au
q .6768926489953602 0.00019271 au
i 1.194083214537015 0.0011769 deg
node 6.013406639273611 0.0014407 deg
peri 84.2516674780294 0.0035286 deg
M 147.0585271773734 1.7876 deg
tp 2458318.715636480378
(2018-Jul-19.21563648)
3.0106 TDB
period 689.8095119959274
1.89
1.0154
0.00278
d
yr
n .5218832065077778 0.0007682 deg/d
Q 2.378852729068929 0.0023344 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      4 days  
   first obs. used      2012-09-22  
   last obs. used      2012-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33057  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:52  

Additional Information
 Earth MOID = .000161709 au 
 Jupiter MOID = 2.85622 au 
 T_jup = 4.306 
[ 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 25.8   n/a MPO240117  

[ 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
1929-Mar-24 09:39 7_08:57 Earth 0.195226619580633 0.0359569658558328 0.354711531896687 21.4778044533122 21.4771689909056 2425694.901747970 10616.8193732615 7954073.84244067 76.0063890828838 -1.38333420315836 8848.91322064669 T 6 CATAB v2.0e-lin.ifort 2017-Nov-29 07:06:21 2018-Dec-11 15:52
1931-Jan-11 11:55 2_02:43 Earth 0.289233846240313 0.288847128412377 0.289622718442604 13.9872704614324 13.9866118329674 2426352.996492661 3042.6387739483 43914.7324693076 1099.24795632603 -63.877612947496 27225.7237331031 T 6 CATAB v2.0e-lin.ifort 2017-Nov-29 07:06:21 2018-Dec-11 15:52
2009-Mar-19 07:45 5_20:43 Earth 0.0887167820588907 0.00442267135067425 0.19525825992399 18.2704946938525 18.2688507922909 2454909.822840501 8442.98171023889 5315748.04140984 78.4107099534808 -2.86440437752719 8247.48896153978 T 6 CATAB v2.0e-lin.ifort 2017-Nov-29 07:06:21 2018-Dec-11 15:52
2012-Sep-27 20:05 < 00:01 Moon 0.00782156933838927 0.00780161868123818 0.00784152006558649 16.3380185787338 16.3377621132675 2456198.336872981 0.931952025725709 995.544858615488 7.15078272277263 2.17916898085508 5946.63850775463 T 6 CATAB v2.0e-lin.ifort 2017-Nov-29 07:06:21 2018-Dec-11 15:52
2012-Sep-28 01:05 < 00:01 Earth 0.00671334349436313 0.00669298294897276 0.00673370365477335 15.8519353659943 15.8268780483973 2456198.544990474 0.304962215599033 1012.1135176185 7.62081869303267 0.112164754145875 741.758789853082 T 6 CATAB v2.0e-lin.ifort 2017-Nov-29 07:06:21 2018-Dec-11 15:52
2075-Apr-08 22:24 3_18:18 Earth 0.458688426883859 0.372415620526984 0.54496538734842 29.3415053380699 29.3413073615672 2479036.433641715 5417.75775542212 4302730.24929741 62.9316829656536 -0.925941733534124 16766.2626847729 T 6 CATAB v2.0e-lin.ifort 2017-Nov-29 07:06:21 2018-Dec-11 15:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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