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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2021 NE1)
Classification: Amor [NEO]          SPK-ID: 54166392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4025154216727493 0.00030423  
a 2.004348372326149 0.0012144 au
q 1.197567242060201 0.0001158 au
i 9.045071155142617 0.0049263 deg
node 94.95048003981853 0.0019692 deg
peri 215.6751951543578 0.0058065 deg
M 348.6232459960428 0.011936 deg
tp 2459429.254736140123
(2021-Aug-02.75473614)
0.0047405 TDB
period 1036.473585202122
2.84
0.94197
0.002579
d
yr
n .3473315723041765 0.00031566 deg/d
Q 2.811129502592098 0.0017032 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      55 days  
   first obs. used      2021-07-05  
   last obs. used      2021-08-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .35144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-29 05:55:08  

Additional Information
 Earth MOID = .201368 au 
 Jupiter MOID = 2.49623 au 
 T_jup = 3.718 
[ 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 23.49   .34089 E2021N49 autocmod 2.9c

[ 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
2004-Jul-23 19:56 2_16:59 Earth 0.2891421989754 0.167790382576946 0.52236955916327 7.31702028602173 7.31576076912382 2453210.330432815 3899.13164539257 12925775.4556709 124.037645629452 35.4880307117901 94632.6126342851 T 2 CATAB v2.0g-lin.ifort 2021-Aug-29 05:55:08 2021-Aug-29 05:55
2021-Jul-22 11:12 00:10 Earth 0.201993059994506 0.201627587156033 0.202358532923286 5.51437086673575 5.51197824433023 2459417.966994321 9.8952491065031 18225.901163973 144.175935665089 2.49725792092478 5316.05600068737 T 2 CATAB v2.0g-lin.ifort 2021-Aug-29 05:55:08 2021-Aug-29 05:55
2038-Jul-19 20:22 9_00:21 Earth 0.250405573177546 0.0765211314984848 0.429110472416569 5.20279274070503 5.20074715714409 2465624.348448034 12980.694923507 8961036.39430922 272.673695855948 7.94476748917989 17640.6426445319 T 2 CATAB v2.0g-lin.ifort 2021-Aug-29 05:55:08 2021-Aug-29 05:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-20 18:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin