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(2013 AC4)
Classification: Apollo [NEO]          SPK-ID: 3623479
[ 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 2456296.5 (2013-Jan-04.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6254400631837531 0.0019462  
a 1.412910461677628 0.0049012 au
q .5292196532529864 0.00091454 au
i 3.141371449015347 0.011312 deg
node 102.0272983358588 0.0024107 deg
peri 254.889903028619 0.0054608 deg
M 32.35665326364487 0.21949 deg
tp 2456241.364479057111
(2012-Nov-09.86447906)		 0.08714 TDB
period 613.437594355336
1.68		 3.1919
0.008739		 d
yr
n .5868567614906702 0.0030536 deg/d
Q 2.296601270102269 0.0079666 au
   Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      4 days  
   first obs. used      2013-01-03  
   last obs. used      2013-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .49123  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:27  

Additional Information
 Earth MOID = .00331474 au 
 Jupiter MOID = 3.15366 au 
 T_jup = 4.495 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 3.787797885187185E-6 -1.779277060551973E-6 .0001695921545867382 -4.678624041813841E-6 -8.894725674120322E-6 2.200478597676665E-5
q -1.779277060551973E-6 8.363809180064317E-7 -7.967138966381573E-5 2.193620748174216E-6 4.250429381192592E-6 -1.032957568731234E-5
tp .0001695921545867382 -7.967138966381573E-5 .00759330259630921 -.0002094230436347445 -.0003991381410501023 .0009851345532087552
node -4.678624041813841E-6 2.193620748174216E-6 -.0002094230436347445 5.811534217869011E-6 1.047806427659852E-5 -2.722332683691513E-5
peri -8.894725674120322E-6 4.250429381192592E-6 -.0003991381410501023 1.047806427659852E-5 2.982028848551026E-5 -5.082729922889356E-5
i 2.200478597676665E-5 -1.032957568731234E-5 .0009851345532087552 -2.722332683691513E-5 -5.082729922889356E-5 .0001279510509833078

[ 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 26.0   n/a MPO250164  

[ 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
1934-Apr-30 13:41 5_10:58 Venus 0.129699709235458 0.0191667736297982 0.244702306761895 25.7966797209181 25.796030680721 2427558.070163724 7858.18821257047 5751093.46141716 2313.96379541856 5.95094369114626 832.247381821543 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 09:03:18 2018-Dec-11 15:58
2012-Dec-30 06:17 00:06 Earth 0.00679065497176936 0.00672950124693296 0.00685180633719 20.0924345388928 20.0728965734983 2456291.761831505 5.55346930236587 3042.88513523989 36.0744793173978 0.260017058212344 263.075132148485 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 09:03:18 2018-Dec-11 15:58
2012-Dec-30 10:26 00:04 Moon 0.00779180531158963 0.00773062318445481 0.0078529916883311 20.6186410088593 20.6184370123247 2456291.935018346 3.86334639606882 3064.47800017413 44.6904428953986 -5.38870499323234 2387.54657761222 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 09:03:18 2018-Dec-11 15:58
2014-May-26 06:04 7_13:27 Earth 0.181986174371443 0.0310451209207753 0.348657228716926 25.2299386442494 25.2293583306322 2456803.752507310 10887.1064415223 8365567.41356639 280.558478137688 -9.06061388619719 15702.002808878 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 09:03:18 2018-Dec-11 15:58
2108-May-31 05:08 23:08 Earth 0.104043354361134 0.0306497084339696 0.18748673079651 22.8713839855624 22.8702642481286 2491141.713941899 1388.18721316051 4237237.56022113 353.518779719916 -14.6645125533627 9581.51712389497 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 09:03:18 2018-Dec-11 15:58
2165-Jun-09 15:35 8_16:34 Earth 0.0798772648125055 0.0276868492542025 0.191971505828663 17.6955609227495 17.6936757638101 2511970.149009100 12513.830867574 5736853.60050897 1215.6914896702 20.2973504928795 3326.70229417784 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 09:03:18 2018-Dec-11 15:58
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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