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(2020 ND)
Classification: Apollo [NEO, PHA]          SPK-ID: 54017784
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5886648592252602 1.2342e-05  
a 2.412153140879196 7.1767e-05 au
q .9922033517737749 2.8367e-07 au
i 17.43388302353618 0.00020907 deg
node 118.0256942577657 6.6977e-06 deg
peri 214.5967239692506 3.4377e-05 deg
M 338.9990181161664 0.00096969 deg
tp 2459080.325719396710
(2020-Aug-18.82571940)		 0.00012474 TDB
period 1368.376923601706
3.75		 0.061068
0.0001672		 d
yr
n .2630854070912301 1.1741e-05 deg/d
Q 3.832102929984618 0.00011401 au
   Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      185 days  
   first obs. used      2020-05-19  
   last obs. used      2020-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:04:17  

Additional Information
 Earth MOID = .0375797 au 
 Jupiter MOID = 1.67322 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459035.5 (2020-Jul-05.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5887061392490265 1.2341e-05  
q .9922033976256245 2.832e-07 au
tp 2459080.323631989057
(2020-Aug-18.82363199)		 0.0001247 TDB
node 118.0245785394512 6.6729e-06 deg
peri 214.5963919416274 3.4414e-05 deg
i 17.43454852205521 0.00020904 deg
   Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      185 days  
   first obs. used      2020-05-19  
   last obs. used      2020-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:04:17  

Additional Information
 Jupiter MOID = 1.67322 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.52300246068509E-10 -3.076191449998122E-12 -1.520206171728561E-9 -4.043148358164248E-11 -2.797432075326636E-10 2.573797717133333E-9
q -3.076191449998122E-12 8.020314669401571E-14 2.883791709347724E-11 6.992500602457069E-13 2.820490190830336E-12 -5.160851372505262E-11
tp -1.520206171728561E-9 2.883791709347724E-11 1.555063283793265E-8 4.15203588351423E-10 3.272995771955682E-9 -2.564157204503219E-8
node -4.043148358164248E-11 6.992500602457069E-13 4.15203588351423E-10 4.452723664764151E-11 5.958030021592437E-11 -7.132832105461257E-10
peri -2.797432075326636E-10 2.820490190830336E-12 3.272995771955682E-9 5.958030021592437E-11 1.184350784424247E-9 -4.669621071475256E-9
i 2.573797717133333E-9 -5.160851372505262E-11 -2.564157204503219E-8 -7.132832105461257E-10 -4.669621071475256E-9 4.369931632551218E-8

[ 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 21.824   .63558 25 autocmod 2.8

[ 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
1911-Sep-23 04:39 9_09:21 Earth 0.373630382524821 0.321465768179816 0.431783902362896 15.9058913473703 15.9054429962269 2419302.693717168 13521.2610583106 3626590.79283196 30.67983696275 40.1384252866719 1019815.98241934 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
1920-Dec-15 23:26 3_10:42 Jupiter 1.96710247066387 1.95718956689147 1.97705075670736 5.02627153559463 4.93986007444176 2422674.476385571 4962.39214270699 649056.766975035 121.913619147908 41.635616727944 1169996.14448565 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
1932-Mar-10 22:03 1_12:46 Jupiter 1.63833634275228 1.6378959936419 1.63879205747082 4.19288894720306 4.06771613035455 2426777.418887576 2206.04963509939 255056.254484278 51.3907585362367 85.2788873324785 1652110.59235611 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
1945-Jul-17 16:39 11:37 Earth 0.0949193284570769 0.0894217630585096 0.100450019978228 15.1923883850702 15.1905405719038 2431654.193974647 697.033332886209 288837.887410583 11.133696924397 17.8032787905111 368068.622343374 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
1960-Jul-16 10:33 2_14:07 Earth 0.0967525962631203 0.0666663643801563 0.127406112517126 15.4393402229256 15.4375564232501 2437131.939493982 3726.76623794123 1558900.97498042 10.6641257651191 13.0215452325702 288514.469446586 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
1975-Jul-02 21:14 1_21:01 Earth 0.299159349624371 0.268884389751371 0.329438397927798 20.1873234705695 20.1868822702887 2442596.384632407 2701.10163336491 1510798.68092917 8.41028858999138 -2.10646111696533 179541.832422459 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
1990-Jun-24 10:27 1_05:54 Earth 0.45512576879752 0.432671702273303 0.477584553804 23.9350558186815 23.9348112230447 2448066.935214364 1793.9039098124 1122192.99167849 7.2737300790698 -3.73800664307872 560642.338704757 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2003-Jul-06 02:33 23:06 Jupiter 1.6538858400068 1.65333304228567 1.65444922441149 4.20014183151229 4.07638438884091 2452826.606113312 1385.72078380793 213673.198002236 23.5710973398138 83.1115933268138 1806374.47337948 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2005-Jul-14 07:02 21:24 Earth 0.15004776155718 0.138028586507463 0.162110797868985 16.1384615579364 16.1373611961248 2453565.793087296 1283.5364987563 613919.472417887 9.91969835256189 11.9966499749262 434571.555700027 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2020-Jul-24 11:13 < 00:01 Earth 0.0372309225288565 0.0372294671825305 0.0372323778750789 13.6078840030969 13.6026238073223 2459054.967425173 0.0305990131389623 72.5058832705824 5.46624478349472 -0.0656101443432024 51928.4029842458 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2035-Jul-09 11:53 19:56 Earth 0.191263254156981 0.179161853713903 0.203366359407697 17.673285241054 17.6724969742918 2464517.995438875 1195.64739250017 604161.837353213 8.76842293209095 2.72387344375949 143224.755222747 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2074-Sep-10 18:27 2_01:01 Jupiter 1.66472339389576 1.66442541510099 1.66507487493814 4.12002330916375 3.99461869878661 2478826.268935012 2941.31759987396 478367.103369083 30.7355678358351 88.8222092534663 1754294.88674184 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2121-Sep-20 09:52 8_12:33 Earth 0.296976199148497 0.270509382232247 0.327538703679334 13.5634905801065 13.5628290801309 2496001.910984106 12273.3641150397 2248760.73604302 30.5320310899801 50.4589849782922 970578.590308939 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2136-Aug-29 08:39 7_21:26 Earth 0.229739091042042 0.201503541067449 0.261314327989208 11.9389255522865 11.93795408119 2501458.860215776 11365.5062611765 2034408.26099827 24.9439612870844 42.4114007431173 800526.426376577 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2145-Nov-09 06:45 2_09:09 Jupiter 1.6676940571199 1.66749016983844 1.66795899428039 4.03307203469873 3.90510808973991 2504817.781519841 3428.62849521101 511642.405268001 39.2238077109476 89.3958604021559 1744469.59026904 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2151-Oct-11 07:09 3_13:58 Earth 0.392292643126882 0.368937044270108 0.417045390375914 16.8055854526316 16.8051812922222 2506979.797695796 5157.89885963516 1674186.11994859 35.0531637442711 44.1350051085912 1008273.82679136 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2166-Oct-18 13:37 2_08:58 Earth 0.425751739338017 0.405609348428276 0.446708478709828 18.5523377992309 18.552000464365 2512466.067515300 3417.54336020153 1382975.42459801 35.7235725431005 42.1287308635941 1059122.45583511 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2181-Sep-10 16:24 4_03:59 Earth 0.256354493129226 0.245015781887707 0.268494549127655 12.5079429758818 12.5071119779223 2517907.183262486 5998.73053921568 924089.787123661 27.6063207333185 50.6211841171866 925989.019121222 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
2196-Jul-30 18:53 23:34 Earth 0.0754513198053057 0.0688420621201012 0.0821775121852072 12.5692014147237 12.566391543759 2523344.286913164 1414.47177023525 364010.668004692 9.36965881210912 -23.9128548533252 501988.842688617 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 06:04:18 2020-Dec-18 06:04
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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