Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .625448004990695 0.0019184  
a 1.412928317114577 0.0048326 au
q .5292151199804049 0.00090095 au
i 3.141404259320927 0.011155 deg
node 102.0272861169612 0.0023811 deg
peri 254.889778957595 0.0053465 deg
M 32.35583342993461 0.21639 deg
tp 2456241.364830921555
(2012-Nov-09.86483092)
0.08588 TDB
period 613.4492227258421
1.68
3.1473
0.008617
d
yr
n .5868456371993618 0.0030108 deg/d
Q 2.29664151424875 0.0078552 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .49611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 07:25:48  

Additional Information
 Earth MOID = .00331475 au 
 Jupiter MOID = 3.15362 au 
 T_jup = 4.495 
[ 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 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
2012-Dec-30 06:17 00:05 Earth 0.00679067415004295 0.00673025039604239 0.00685109560646298 20.0927143384026 20.0731767005492 2456291.761848050 5.4002229618492 3006.58049993216 34.8304599338532 0.258908977349535 266.392033476849 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 07:25:49 2021-Apr-15 07:25
2012-Dec-30 10:26 00:04 Moon 0.00779183261631465 0.00773141411368607 0.00785225525153261 20.6189237819698 20.6187197889456 2456291.935032380 3.77931209102634 3026.19124867869 45.6368496306317 -5.38132419850768 2335.99239574082 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 07:25:49 2021-Apr-15 07:25
2014-May-26 06:17 7_19:16 Earth 0.181780042887381 0.0333351049070153 0.346238821808651 25.2239682990545 25.2233871898614 2456803.762122297 11235.6247210056 8262148.19785813 431.539908599314 -9.65193597307145 10779.0841145417 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 07:25:49 2021-Apr-15 07:25
2108-May-31 05:04 3_12:48 Earth 0.104157466071384 0.0265163355733047 0.228338448194116 22.8752282956809 22.874109973008 2491141.711440941 5087.81357636882 6286526.36286333 328.269245850049 -14.7538740580012 10514.697970479 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 07:25:49 2021-Apr-15 07:25
2165-Jun-09 15:27 1_01:40 Earth 0.0798482483348165 0.0241020323223761 0.147203417781236 17.6966265608324 17.6947408303703 2511970.143881836 1540.08745846168 3436518.90282319 794.545778316772 16.6491089902545 4142.92216087569 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 07:25:49 2021-Apr-15 07:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 16:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin