Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(2020 MC4)
Classification: Amor [NEO]          SPK-ID: 54017692
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .450230949736564 2.8344e-08  
a 2.098010851257806 2.6044e-08 au
q 1.153421433138387 5.786e-08 au
i 6.541796465585909 4.1691e-06 deg
node 316.7057155447553 1.7498e-05 deg
peri 356.9212128919011 2.7253e-05 deg
M 339.3650649626809 1.1471e-05 deg
tp 2459064.122484887827
(2020-Aug-02.62248489)
3.4774e-05 TDB
period 1109.966884712491
3.04
2.0668e-05
5.659e-08
d
yr
n .3243340003726767 6.0392e-09 deg/d
Q 3.042600269377225 3.7769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      1112 days (3.04 yr)  
   first obs. used      2017-09-03  
   last obs. used      2020-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-20 06:37:20  

Additional Information
 Earth MOID = .139739 au 
 Jupiter MOID = 2.27243 au 
 T_jup = 3.607 
[ 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 21.523   .44971 39 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
1935-Jul-17 21:33 00:02 Earth 0.35488678696 0.354861261731595 0.35491231221235 10.8124705035731 10.8117761006555 2428001.397961031 2.40662420590207 1281.12239974855 36.8271386815949 6.57921262461365 113173.214491204 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
1938-Jul-31 01:27 00:02 Earth 0.162440749634155 0.162425832910043 0.162455669099794 5.93171415784391 5.92894824543398 2429110.560485187 2.16324629457153 1288.97144609488 8.82547534830763 54.774353204735 1471481.51240546 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
1941-Aug-11 12:04 00:02 Earth 0.192935876385722 0.192917027662327 0.192954725285721 6.80248274804391 6.80045227729853 2430218.002764539 1.94829427209911 983.970076060306 9.59745563490901 17.2861637539902 662378.069168216 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
1944-Aug-25 03:21 00:02 Earth 0.409936269068578 0.409911547261536 0.409960990882075 12.7338830564726 12.73337261746 2431327.639770523 2.01454623078187 1235.44366402526 8.54911980445205 3.82675626140952 364576.779235135 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2017-Jul-21 07:03 < 00:01 Earth 0.343845348337718 0.34384427739395 0.343846419281506 10.1979312549209 10.1971713604155 2457955.793915280 0.25135889388187 53.5384379812179 33.2374077166294 -5.32137832914004 662336.896755682 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2020-Aug-02 15:47 < 00:01 Earth 0.151094842319156 0.151094666155723 0.151095018482614 5.59598483870535 5.59283267675868 2459064.157626742 0.138591537537291 16.6413314059334 8.50678819859706 81.1641734092471 2550363.86406891 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2023-Aug-15 07:26 < 00:01 Earth 0.244144842071418 0.244143952991927 0.244145731150979 7.79655441001612 7.79515449690569 2460171.809447885 0.0870032278809105 44.9096372395809 9.041735962094 9.46896185573493 730260.775529616 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2026-Aug-27 18:14 < 00:01 Earth 0.469364390319208 0.469362347651869 0.469366432986574 13.8856870594349 13.8852782308635 2461280.259593792 0.145650047977801 101.991265542908 8.40468521420845 2.98422454347207 615506.221550498 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2096-Jul-10 04:11 00:02 Earth 0.462958558711751 0.462935936592325 0.462981180831755 14.3826352878108 14.3822351239972 2486799.674604456 2.02067421061057 1128.37325434154 40.9145528451379 1.44360093109191 55167.6568918524 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2099-Jul-26 17:18 00:02 Earth 0.229799867964267 0.22977972987201 0.229820006333176 7.85179995798332 7.85032311541962 2487911.220663779 2.1199902556405 1080.10232396459 20.8388088336175 21.6517748452798 380628.683192565 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2102-Aug-09 10:28 00:02 Earth 0.133208832539234 0.133204116399456 0.133213548680081 5.58790593511598 5.58432522290366 2489019.936159847 2.03964019806299 235.928765829023 9.52846048791962 5.08113071305236 137252.307828979 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2105-Aug-22 06:51 00:02 Earth 0.287281575580352 0.287256333263979 0.287306817923685 9.48500366845499 9.48402577966489 2490128.785238691 2.17655134216631 1266.36211266913 8.33620565652412 6.37832950582995 414552.54769733 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2108-Sep-02 05:41 00:02 Earth 0.493567979421484 0.493538329244437 0.493597629599401 15.0470740485995 15.0467152766344 2491235.736695520 2.19035476441711 1478.88994013542 7.65567854893933 1.36465991998866 179737.905685538 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2175-Jul-18 18:51 00:06 Earth 0.409075994207961 0.408999350104803 0.409152638352649 12.3773705983217 12.3768443518464 2515661.285460116 6.48992949770468 3827.45721662144 38.4472876065188 3.16156254439221 62270.7720241481 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2178-Aug-01 18:18 00:06 Earth 0.192170325952075 0.192112874868525 0.192227788048653 6.57569139761624 6.57358250603223 2516771.262177265 6.16999545329279 3670.61433156646 15.1477539722219 38.7201002545116 696608.737246907 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2181-Aug-14 12:35 00:06 Earth 0.176482707412777 0.176428757410313 0.176536658765643 6.45693916226591 6.45460052880008 2517880.024141053 6.31155972297411 2798.31415436945 9.29764148549638 16.0653519150324 568107.62438457 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
2184-Aug-26 02:23 00:06 Earth 0.376773054842702 0.376697198468783 0.376848911279994 11.5093890204358 11.5087745629438 2518987.599507365 5.80623784286242 3790.49185017468 8.87506919510909 3.76800186762471 308326.595623311 T 39 CATAB v2.0f-lin.ifort 2020-Sep-20 06:37:33 2020-Sep-20 06:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 00:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin