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(2011 DQ)
Classification: Apollo [NEO]          SPK-ID: 3557827
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3430984066196706 0.00059473  
a 1.536097592081781 0.0014239 au
q 1.009064955826209 2.1999e-05 au
i 5.81347658186043 0.0081831 deg
node 333.4204766535663 0.00017366 deg
peri 195.0899854018382 0.0040961 deg
M 305.6628805620147 2.4307 deg
tp 2459105.459257603894
(2020-Sep-12.95925760)
4.8412 TDB
period 695.3871152578512
1.90
0.96691
0.002647
d
yr
n .5176972539482719 0.00071984 deg/d
Q 2.063130228337352 0.0019125 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      3 days  
   first obs. used      2011-02-23  
   last obs. used      2011-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-17 06:09:30  

Additional Information
 Earth MOID = .0240148 au 
 Jupiter MOID = 2.91297 au 
 T_jup = 4.403 
[ 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 26.2   n/a MPO193822  

[ 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
1910-Mar-22 08:44 7_12:39 Earth 0.0661076526772278 0.0456705289153195 0.0910720543906356 5.88197510980572 5.87511879691312 2418752.863853347 10838.530224334 1427972.13323106 1001.32018976405 34.9842892641968 4594.28523746575 T 8 CATAB v2.0e-lin.ifort 2019-Jul-17 06:09:41 2019-Jul-17 06:09
1912-Jan-14 15:05 2_00:51 Earth 0.491264983384433 0.444052332533119 0.538513052984615 19.4979230826609 19.497644912019 2419416.128422474 2931.46151049099 2364355.04119327 1428.48475468632 -5.03807922687658 3826.78740777901 T 8 CATAB v2.0e-lin.ifort 2019-Jul-17 06:09:41 2019-Jul-17 06:09
1969-Apr-29 13:43 5_15:15 Earth 0.340521511367671 0.268137199857768 0.413570102324677 14.551003199637 14.5504654465733 2440341.071762681 8114.74905655277 3702862.52398793 1631.68752931311 11.4307030661355 4795.54468595343 T 8 CATAB v2.0e-lin.ifort 2019-Jul-17 06:09:41 2019-Jul-17 06:09
1971-Feb-01 23:22 9_09:00 Earth 0.19303837818753 0.0674630425315469 0.319172887471249 10.6641090082074 10.6628146023223 2440984.473322141 13499.766424552 6297237.84486311 919.608540640974 -3.69383370770475 1598.26496364195 T 8 CATAB v2.0e-lin.ifort 2019-Jul-17 06:09:41 2019-Jul-17 06:09
2011-Feb-26 19:57 00:03 Earth 0.0248374383313846 0.0247202712931688 0.0249545986843991 5.72224985439781 5.7034717429225 2455619.331087085 2.80177316650737 5806.93669924006 440.774728276816 1.71883967471154 372.445074091226 T 8 CATAB v2.0e-lin.ifort 2019-Jul-17 06:09:41 2019-Jul-17 06:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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