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(2020 DP4)
Classification: Apollo [NEO]          SPK-ID: 54006021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2810084216665019 0.00015476  
a 1.219549894760959 0.00019433 au
q .8768461036906332 4.9024e-05 au
i 1.448513218730328 0.00067271 deg
node 2.497115159540165 0.00082329 deg
peri 243.9079304768287 0.0010946 deg
M 159.5160133009602 0.033951 deg
tp 2458982.528570344957
(2020-May-13.02857035)
0.0057072 TDB
period 491.923745158838
1.35
0.11758
0.0003219
d
yr
n .7318207416146562 0.00017492 deg/d
Q 1.562253685831284 0.00024894 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      23 days  
   first obs. used      2020-02-27  
   last obs. used      2020-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .39354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:20:10  

Additional Information
 Earth MOID = .000276931 au 
 Jupiter MOID = 3.45961 au 
 T_jup = 5.196 
[ 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 25.2   .4275 E2020G29 autocmod 2.8
rotation period rot_per 0.30304 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm]

[ 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
1986-Mar-18 04:56 4_12:52 Earth 0.0725811849198987 0.0119797907653314 0.13322989058423 9.94695868730653 9.94326739379769 2446507.705242749 6532.44522817962 3024536.66719474 8.38140946689635 -1.41141795533762 28184.2345485198 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
1986-Oct-07 17:13 5_07:07 Earth 0.447861478539124 0.423716512824456 0.472240972727833 7.67777890877991 7.67700399218298 2446711.217396273 7626.79840366978 1313394.23179987 44.1088820952437 -22.8962276634651 363427.587352945 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
1990-Jan-28 05:35 8_23:13 Earth 0.404213377712359 0.358767235303059 0.449660562525467 7.02290685463522 7.02196818279298 2447919.732524331 12912.6951462955 2266472.55982403 28.3576196799353 -1.6307986972272 32987.2507461081 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
1994-Aug-31 16:45 4_01:19 Earth 0.465339570060935 0.378073734283775 0.552613783660358 21.4452285820825 21.4449615801551 2449596.197710523 5839.37073496239 4352916.97211787 49.7753737805664 1.31353628412847 27919.0715721424 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2001-Mar-06 10:51 3_14:41 Earth 0.275838608519029 0.2018039059808 0.349871929409819 16.0261800357061 16.0255772881568 2451974.952425146 5201.39264556107 3691648.47809603 3.49477813065988 -0.206734469700243 34580.4280197886 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2009-Jan-06 17:43 3_09:11 Earth 0.4997851396067 0.486824717198841 0.512745682597018 8.74515737407585 8.74454772976299 2454838.238223720 4870.75536061915 646402.805937428 36.6559283275922 1.44792602528412 31488.0786020447 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2009-Aug-19 14:56 2_09:59 Earth 0.222668157476506 0.17638846700245 0.269014612201362 14.2968017297191 14.2959647247042 2455063.122030642 3479.33770326185 2317436.249751 27.1452490361034 4.69254936483999 82294.7105200869 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2020-Mar-22 19:34 < 00:01 Earth 0.00902450528260108 0.00901120549464753 0.00903780472463789 8.09539832305357 8.05884453905197 2458931.315266845 0.056790562643672 657.292382929568 2.63300798273077 -0.0794725727256176 1236.2433849968 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2020-Mar-23 03:59 < 00:01 Moon 0.00904548882555924 0.00903249839830377 0.00905847925432176 8.12363102463934 8.12318501066389 2458931.666244638 0.756847591235823 647.806291225017 2.7823458335901 -0.985811413939729 7381.08286382434 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2020-Oct-05 04:19 01:30 Earth 0.422078425885629 0.4214255714041 0.422731298954679 7.28447268405603 7.28360602771491 2459127.680099651 89.5670073518723 32853.9677034834 129.975876485708 7.78207298294142 44398.9999749987 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2020-Nov-13 02:42 11:23 Mars 0.0600849156875061 0.0594533534415837 0.0607174423448004 4.39681365093988 4.39572983331889 2459166.612724598 683.348568993912 33726.5509678806 61.3626495552233 20.8765449632783 38006.1261856903 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2024-May-28 06:02 4_22:17 Earth 0.138340425958394 0.137576467170547 0.139106268957949 6.63518595772875 6.63228256905789 2460458.751636344 7097.40647527942 45861.8203837789 66.0304110066299 33.7391256671228 122172.373911044 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2024-Aug-28 21:26 8_10:37 Earth 0.27585090946943 0.26154945378225 0.290142065376966 3.43200967712574 3.42919409879327 2460551.393292411 12157.0620618279 707952.100432683 53.2176700346207 -4.45357730027843 8412.15703421028 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2028-Jan-24 17:55 3_03:28 Earth 0.41639118432227 0.400674613193661 0.432108341449544 7.36675292163027 7.36588424060919 2461795.246727398 4527.88538530955 784123.505345094 29.0591418373135 -2.20562885347926 47143.3753694858 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2028-Aug-05 19:30 3_19:50 Earth 0.0199116142753483 0.0191947067140901 0.0432899706505584 7.64172544289379 7.62419419179636 2461989.312496884 5509.69887583986 1671933.07934329 17.5972058475821 -74.5799185120376 168549.406901792 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
2030-Mar-12 06:30 7_03:22 Mars 0.0492974350557514 0.0341100297311751 0.106429395344109 5.61625192258743 5.6152177922601 2462572.771173127 10281.6113187797 3252571.50535804 12.5536640581141 -43.7909868049312 337402.763725743 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 22:20:10 2021-Apr-15 22:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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