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20790 (2000 SE45)
Classification: Amor [NEO]          SPK-ID: 2020790
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 149 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5597445430978009 3.9523e-08  
a 2.744887674401816 2.1475e-08 au
q 1.208451777238986 1.1375e-07 au
i 8.335597707758538 5.0932e-06 deg
node 302.95048797 3.5454e-05 deg
peri 169.002478442981 3.7748e-05 deg
M 137.6207280568491 1.7248e-05 deg
tp 2458565.510355572987
(2019-Mar-23.01035557)
7.2181e-05 TDB
period 1661.059894257316
4.55
1.9494e-05
5.337e-08
d
yr
n .2167290904106509 2.5435e-09 deg/d
Q 4.281323571564646 3.3496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      9877 days (27.04 yr)  
   first obs. used      1992-03-09  
   last obs. used      2019-03-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:31:39  

Additional Information
 Earth MOID = .226434 au 
 Jupiter MOID = .870786 au 
 T_jup = 3.087 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO267785  
rotation period rot_per 2.792 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. (2001) http://www.asu.cas.cz/~ppravec/neo.htm]
SMASSII spectral type spec_B S   n/a Binzel et al. (2004) Icarus 170, 259-294  

20790 (2000 SE45)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

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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
1901-Jan-07 05:12 < 00:01 Earth 0.478188028744355 0.478153918054834 0.478222140509244 10.2087870718492 10.208241249742 2415391.716523688 0.928681287838616 2042.92752524623 56.8476293435347 -33.6505481114379 370572.097170131 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
1910-Jan-10 20:37 < 00:01 Earth 0.279555808294181 0.279532279189152 0.279579342956562 6.71847966070813 6.7170608688448 2418682.358873694 0.238138730561793 2289.56747761647 20.4234036844065 -59.1798201256322 1800910.75789415 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
1919-Jan-11 13:13 < 00:01 Earth 0.203636792775221 0.203625561836194 0.203648024543372 6.1981899658688 6.19607859170985 2421970.050382252 0.819042078667131 856.895354701241 21.4246239944191 -49.2172412189101 960653.125964406 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
1925-Oct-02 08:53 < 00:01 Jupiter 1.02699094857021 1.02698474000912 1.026997157134 4.69575045303594 4.51669674441015 2424425.870342508 0.235755575794573 321.644818733925 46.0610715110303 -26.3655424487516 751588.826075216 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
1949-Feb-15 05:42 00:01 Jupiter 1.76768999444419 1.767678113628 1.76770187525796 6.96080891303644 6.89162697952426 2432962.737800801 1.20933707352948 583.242385202764 55.4174152453779 -1.79192529265723 262192.154884328 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
1960-Jan-13 18:37 < 00:01 Earth 0.355040389183752 0.355020463597417 0.355060316532636 7.42380040695789 7.42278943786007 2436947.275407483 0.555988727928831 1594.96517363909 13.7336315448532 -51.4733708049545 1900863.10073759 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
1969-Jan-12 10:47 < 00:01 Earth 0.369396260529027 0.369382902387568 0.369409618757416 7.89630904273548 7.89539551687208 2440233.949355850 0.24780128992139 723.622011853792 17.1979403771007 -23.0226263925123 943832.363625141 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
1985-Jan-23 09:29 < 00:01 Jupiter 0.877270792360751 0.877269686744478 0.877271897979018 4.18309453819033 3.94553416911682 2446088.895188168 0.546400451315962 98.1781861134818 27.5864065535123 -62.3475602587722 2537496.25069347 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2001-Jan-15 22:59 < 00:01 Earth 0.269889217580943 0.269888861007063 0.269889574155237 5.67552805530895 5.67378830422334 2451925.457317051 0.0773069954628128 53.2467382420053 16.7481758602971 83.201531111562 2448733.1198376 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2042-Jan-15 21:38 < 00:01 Earth 0.255190703544464 0.255187312404429 0.255194094867797 5.77856631125269 5.77675915659707 2466900.401176176 0.0824998727675715 384.855553662527 27.5119422872189 -64.2415142581265 1027329.73481621 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2044-May-29 09:13 < 00:01 Jupiter 0.862533859339694 0.86253339617933 0.862534322500451 4.13151252425275 3.88656180573151 2467764.883702744 0.783268647742717 61.0971323242835 20.9530429403725 -77.7924697639944 6697082.18919336 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2074-Jan-14 16:10 < 00:01 Earth 0.337536941401048 0.337520086139991 0.337553796810936 7.19884174929269 7.19774511581493 2478587.173479275 0.472522425562953 911.847182758148 21.0548019151545 -22.8402705432814 718641.008556245 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2103-Oct-12 18:51 00:01 Jupiter 0.889003900389059 0.8890021215639 0.88900567921725 4.23807190267733 4.00695637085497 2489449.285753528 1.03494187224952 128.819533938386 33.5246984701461 -53.6630879125549 1684789.43790434 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2106-Jan-07 20:39 00:02 Earth 0.410576983962418 0.410559675965549 0.410594292049467 5.6397615366848 5.63861073277968 2490267.360387695 1.8608846931564 914.934945343077 28.9609495333628 -19.3780411172348 789260.069941121 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2127-Mar-27 02:16 00:03 Jupiter 1.62878015045852 1.6287674331195 1.62879286779588 6.35966708259541 6.2773637472758 2498015.594313458 2.51644137035533 628.786996742964 54.6652663442772 -9.54402671506671 436436.636000713 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2161-Jan-16 02:50 00:01 Earth 0.29440449852295 0.294380607635599 0.29442839035437 6.09329977614767 6.09181429100781 2510364.618373192 1.13413105359208 1452.91111261347 24.8501283960533 -34.9380828809144 733581.561656799 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2163-Mar-15 22:36 00:02 Jupiter 1.22551346262196 1.225503807015 1.22552311823296 5.49373237870983 5.36644956695318 2511153.441908656 1.57046411056495 494.583173997505 51.2868270919557 -21.0325993262358 663168.740767623 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2186-Oct-12 06:18 00:01 Jupiter 0.959884092616055 0.959881045596706 0.959887139634422 4.3312552366875 4.12249058363694 2519764.762459111 1.12472134481196 143.890073397704 54.2262996651631 11.9229989091897 628170.142198222 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
2198-Jan-25 20:49 00:01 Earth 0.360900631747354 0.36088569792777 0.360915568284844 6.18840895944374 6.18721582996364 2523888.367495221 1.03090063761323 1730.5631906045 11.6719412849422 -64.5147335445056 3062999.3168213 T 149 CATAB v2.0f-lin.ifort 2021-Apr-13 03:31:42 2021-Apr-13 03:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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