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54789 (2001 MZ7)
Classification: Amor [NEO]          SPK-ID: 2054789
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 519 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2870959245747254 3.6099e-08  
a 1.776535786824531 4.1074e-09 au
q 1.266499602566055 6.5917e-08 au
i 24.46602760917419 4.2808e-06 deg
node 130.0826939332086 6.7959e-06 deg
peri 20.00508286701504 1.0298e-05 deg
M 119.2226428754387 9.7652e-06 deg
tp 2458714.071906972290
(2019-Aug-18.57190697)
2.2595e-05 TDB
period 864.8869963208839
2.37
2.9995e-06
8.212e-09
d
yr
n .4162393486448436 1.4435e-09 deg/d
Q 2.286571971083007 5.2866e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3031  
   data-arc span      15294 days (41.87 yr)  
   first obs. used      1978-10-25  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-15 06:57:43  

Additional Information
 Earth MOID = .293102 au 
 Jupiter MOID = 2.76324 au 
 T_jup = 3.948 
[ 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 15.0   n/a MPO347891  
diameter diameter 1.567 km 0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 37.57 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; et al. (2005) Icarus 173, 108-131.]
geometric albedo albedo 0.856   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

54789 (2001 MZ7)          Discovered 2001-Jun-21 by LINEAR at Socorro
Reference: 20030216/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
1913-Feb-10 21:17 < 00:01 Earth 0.427744544061688 0.427740548400877 0.427748539744479 13.9050022840521 13.9045542987046 2419809.386798741 0.212910652697958 251.321980123956 11.9313939870696 -37.602756366104 3031460.89997712 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
1920-Jan-28 21:53 < 00:01 Earth 0.398443837740226 0.398440623999318 0.398447051855091 12.7503382613116 12.749813777041 2422352.411505345 0.236445519097146 629.504187208091 2.42328779954085 75.2523503902305 15353386.1872536 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
1939-Feb-05 15:34 < 00:01 Earth 0.296617622191191 0.296616911256034 0.296618333169798 12.8852208904234 12.8845237258846 2429300.148549393 0.123829474901686 188.806123114446 9.23293729902938 -79.5426833123206 4279082.15715853 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
1958-Feb-12 21:11 < 00:01 Earth 0.473838920357454 0.473836570835786 0.473841269882676 14.2554315474701 14.2550370835681 2436247.382383714 0.142824305834645 134.021900756948 12.4335919528339 -29.1891736591316 2668095.72823719 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
1965-Jan-30 12:23 < 00:01 Earth 0.354826134588467 0.354824825143604 0.354827444068405 12.7007525869955 12.7001613284787 2438791.016027201 0.104294887942322 187.848877669407 3.00524327116201 69.6787941684234 15601148.6643915 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
1984-Feb-07 22:13 < 00:01 Earth 0.323736506154641 0.323735744417001 0.323737267895852 13.1779830487415 13.1773584774346 2445738.425980652 0.0559924172656469 67.5795808535408 10.9632549072318 -56.9500668916836 3391455.34598025 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2010-Feb-02 21:49 < 00:01 Earth 0.30441896971941 0.304418751498438 0.304419187940608 12.7025326961223 12.7018436280886 2455230.408765057 0.023126846466448 18.9769766051695 5.80091053099632 59.3670620782381 6744908.80796566 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2029-Feb-10 02:45 < 00:01 Earth 0.397963439959593 0.397962706841357 0.397964173079933 13.8005639991755 13.8000788447705 2462177.614513287 0.0422769151925387 60.2267018649203 10.7593799058891 -53.8720315304792 4057450.12888843 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2036-Jan-28 15:47 < 00:01 Earth 0.411361616628595 0.411360484767046 0.411362748537448 12.7570216199115 12.7565138722381 2464721.157908229 0.082799240838878 227.276682615104 2.36621490388983 75.6326917654775 15373008.3444304 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2055-Feb-06 11:24 < 00:01 Earth 0.299918959300981 0.299918478545734 0.299919440076311 12.961390660175 12.9607052219514 2471669.974987510 0.0751329230664967 134.298595553863 9.02678374455773 -80.4596473691696 4438598.83671808 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2081-Feb-01 20:44 < 00:01 Earth 0.318383286736381 0.318381477784358 0.318385095760579 12.686572504579 12.6859128310148 2481162.363748606 0.148336793479671 255.761457341947 4.35249985380872 69.369508651227 9916082.68851018 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2100-Feb-10 07:40 < 00:01 Earth 0.376929098331181 0.376925800171861 0.376932396531446 13.6685314821256 13.6680143053073 2488109.819409693 0.154714857826823 256.10857428606 10.9717932327384 -50.1093988663625 3587127.41382645 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2107-Jan-28 15:45 < 00:01 Earth 0.430012806842223 0.430008772787606 0.430016841689173 12.7626657446367 12.762180235025 2490653.155975140 0.298741201441653 942.319942273389 3.40472347551004 77.6744218302098 12931232.9308994 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2126-Feb-07 01:03 < 00:01 Earth 0.295711677797592 0.29571075549581 0.295712600241177 12.9079103668834 12.9072122957426 2497602.544010314 0.189729495919754 332.244072948483 8.84327737722809 -82.1895490025939 4496736.26712981 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2152-Feb-03 08:39 < 00:01 Earth 0.325711603724791 0.325707870759408 0.325715336975336 12.6770616588443 12.6764163441165 2507094.860654202 0.295828086477462 515.492957599104 4.02016896449356 68.8354882859231 11030587.1158071 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2171-Feb-10 18:39 < 00:01 Earth 0.363121992595665 0.363116579100715 0.363127406225897 13.5634240460589 13.5628830437413 2514042.277190450 0.263282440326304 441.849534930921 10.8084225162163 -52.3640491020833 3615547.35307672 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2178-Jan-27 15:32 < 00:01 Earth 0.448221416759348 0.448214563963356 0.448228272084228 12.7523649502139 12.7518987881181 2516585.146921563 0.529160453399285 1713.51307176578 5.02938215910224 78.4956115144121 10717423.037989 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
2197-Feb-06 07:40 < 00:01 Earth 0.292719045544859 0.292718752155398 0.292719339190863 12.8171871022836 12.8164769022565 2523534.819299065 0.304307329141494 521.530947006273 8.18718852543463 -88.6671311289975 4865819.85728124 T 519 CATAB v2.0f-lin.ifort 2020-Sep-15 06:57:56 2020-Sep-15 06:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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