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(2018 PD22)
Classification: Aten [NEO]          SPK-ID: 3826804
[ 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 2458344.5 (2018-Aug-14.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .542356045588082 0.0059522  
a .7943665456769879 0.0009885 au
q .3635370472161522 0.0051697 au
i 3.986759043125628 0.082922 deg
node 123.0647465448693 0.18647 deg
peri 359.2267774816805 0.097957 deg
M 232.619863123486 0.44524 deg
tp 2458436.001677490224
(2018-Nov-13.50167749)		 0.47424 TDB
period 258.6007889786947
0.71		 0.4827
0.001322		 d
yr
n 1.392107121644008 0.0025985 deg/d
Q 1.225196044137824 0.0015246 au
   Orbit Determination Parameters
   # obs. used (total)      10  
   data-arc span      2 days  
   first obs. used      2018-08-13  
   last obs. used      2018-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .30334  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-15 12:42:03  

Additional Information
 Earth MOID = .0392838 au 
 Jupiter MOID = 3.85997 au 
 T_jup = 7.205 
[ 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 24.0   .10457 MPO452059 autocmod 2.6n

[ 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
1977-Aug-26 15:48 3_06:31 Earth 0.186393458746435 0.0665792478591683 0.317152230692043 19.7796033524871 19.7788806292048 2443382.158045745 4710.81036753778 6646716.03535213 2257.41044814261 14.6425712800329 3022.79979753496 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2011-Aug-21 20:13 8_19:14 Earth 0.329977788220998 0.113795373279386 0.550606479425653 24.5727826396719 24.572454033123 2455795.342394227 12674.0766717086 11057779.5979306 1629.52326603812 7.4570813317743 1929.43550160389 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2015-Jun-26 11:47 3_01:49 Earth 0.265123566425632 0.209794841065911 0.320893191640758 22.4280521327934 22.427604030873 2457199.991145761 4428.76400126744 2822022.03403238 33931.6447421188 -10.7764789947685 173.41497423642 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2016-Jan-19 21:15 1_14:37 Mercury 0.0829024540991614 0.0160953654653816 0.205525627010128 11.0993610784497 11.0992010261425 2457407.385437055 2317.42923192276 6168902.54374408 74956.7937281165 11.9982968359478 26.3181987827324 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2018-Aug-25 14:17 01:00 Earth 0.109591285800327 0.105130004847542 0.114052442051028 11.636869145794 11.634779661189 2458356.095109455 60.0656587843839 222386.531219464 4620.81477742389 -0.223083206987688 50.4049235723608 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2018-Oct-09 03:53 23:10 Venus 0.0436423875469304 0.0401833313113435 0.0471862668651095 21.984972974061 21.9827095972395 2458400.661901021 1390.06047305935 199682.279101061 23855.4606416208 29.1506713756978 121.182892952024 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2020-May-21 10:05 1_02:14 Venus 0.10264705507965 0.0288085428552753 0.221679099077366 15.2512279781352 15.2498407835342 2458990.919926113 1573.73848915018 6049179.13514476 14746.0464075356 16.4009716490164 383.907607963728 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2020-Jun-19 12:40 18:52 Earth 0.044132379870074 0.0407542503246079 0.120799828898182 14.649551198898 14.6454293526228 2459020.027677025 1131.74331864122 4837051.77380156 5163.05741894424 -67.78916482857 2314.27717920528 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2023-Aug-28 23:53 4_20:24 Earth 0.136368007233494 0.0388617850059263 0.293574557406226 18.105139619484 18.1040603971398 2460185.494805351 6983.51284984065 7992717.28614176 3694.24377342607 16.580692028989 733.283405616167 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2035-Aug-28 21:20 19:38 Earth 0.0765877962278553 0.072360866634306 0.0815302155160712 12.3765879837999 12.3737767227435 2464568.388773757 1177.66750768348 445726.468639693 58121.2513943826 59.8721053429291 128.074547053372 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
2037-Jun-19 21:39 7_00:22 Earth 0.0423535930134154 0.0397342247921643 0.210116718008471 13.7413822789485 13.7368033485694 2465229.401970530 10102.0670881953 9565624.3268117 3102.89022122901 69.986410111198 669.063487340871 T 1 CATAB v2.0e-lin.ifort 2018-Aug-15 12:42:05 2018-Dec-11 17:22
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