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 ]  
27881 (1996 EC1)
Classification: Main-belt Asteroid          SPK-ID: 2027881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06338736622134146 3.2752e-08  
a 2.520129651796315 8.671e-09 au
q 2.360385270632641 8.4246e-08 au
i 1.938725455811706 4.1083e-06 deg
node 12.88920039439436 9.3243e-05 deg
peri 227.8935782110086 9.8927e-05 deg
M 320.5280567145893 3.4003e-05 deg
tp 2459160.720750111205
(2020-Nov-07.22075011)
0.00013816 TDB
period 1461.277688381585
4.00
7.5417e-06
2.065e-08
d
yr
n .2463597459006661 1.2715e-09 deg/d
Q 2.679874032959991 9.2206e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      8810 days (24.12 yr)  
   first obs. used      1996-03-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:24:06  

Additional Information
 Earth MOID = 1.34826 au 
 Jupiter MOID = 2.31231 au 
 T_jup = 3.453 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456918.5 (2014-Sep-18.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06467563084782971 3.2682e-08  
q 2.356849634001859 8.4165e-08 au
tp 2456236.270148853559
(2012-Nov-04.77014885)
0.00013363 TDB
node 12.91722211348798 9.3242e-05 deg
peri 227.5843713718753 9.8709e-05 deg
i 1.939608528946024 4.1072e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      8810 days (24.12 yr)  
   first obs. used      1996-03-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:24:06  

Additional Information
 Jupiter MOID = 2.31231 au 
 T_jup = 3.453 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.068122143156161E-15 -2.738294097079588E-15 -1.466713099240732E-12 -1.520993000510746E-14 -3.119884282682579E-13 4.820608048862964E-16
q -2.738294097079588E-15 7.083686369499332E-15 3.759649575826736E-12 3.858640273451538E-14 8.060463556509301E-13 -1.207575898295767E-15
tp -1.466713099240732E-12 3.759649575826736E-12 1.785589800939949E-8 3.996481684262151E-11 4.332407276069731E-9 -1.46950892098262E-12
node -1.520993000510746E-14 3.858640273451538E-14 3.996481684262151E-11 8.694148568318805E-9 -8.67946236955951E-9 -7.656619523101926E-11
peri -3.119884282682579E-13 8.060463556509301E-13 4.332407276069731E-9 -8.67946236955951E-9 9.743437223668707E-9 7.618073706783023E-11
i 4.820608048862964E-16 -1.207575898295767E-15 -1.46950892098262E-12 -7.656619523101926E-11 7.618073706783023E-11 1.68689047916039E-11

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 14.8   n/a MPO319429  

27881 (1996 EC1)          Discovered 1996-Mar-15 by JPL/GEODSS NEAT at Haleakala
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ 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
2049-Dec-13 23:39 00:01 Psych 0.0292860920510534 0.0292805346909415 0.0292916495661295 3.28165179082257 3.28165166493025 2469789.485209097 1.27974218889179 296.777554521116 34.8127858139174 -21.2954479800515 47663.3352417324 T 26 CATAB v2.0f-lin.ifort 2020-May-20 06:24:19 2020-May-20 06:24
2069-Dec-06 04:18 00:02 Psych 0.0204038920118669 0.0203953307583529 0.0204124534394495 3.37895946845276 3.37895929296082 2477086.679135096 1.80106633749823 436.738793614625 34.8837531431713 -12.5162649500759 20124.5303446236 T 26 CATAB v2.0f-lin.ifort 2020-May-20 06:24:19 2020-May-20 06:24
2089-Dec-24 01:41 00:04 Psych 0.0445422675548551 0.0445315868580588 0.0445529484618108 3.0139205615342 3.01392047140842 2484409.570040808 3.99160084355984 552.93912042828 34.2918642168294 15.9917406096106 54683.0731793083 T 26 CATAB v2.0f-lin.ifort 2020-May-20 06:24:19 2020-May-20 06:24
2109-Dec-08 22:56 00:04 Psych 0.0245608857539575 0.024549825498743 0.0245719493820589 3.1413947351385 3.14139457832385 2491698.455725641 3.93161288181514 713.710413028522 34.4741930006454 39.554575253367 67885.4803037046 T 26 CATAB v2.0f-lin.ifort 2020-May-20 06:24:19 2020-May-20 06:24
2137-Oct-10 18:31 < 00:01 Amphi 0.038850060278583 0.0388346704317284 0.038865454581343 3.32601272921285 3.32601268472336 2501866.271803763 0.468046231446846 1009.60577383944 34.9747480635667 -40.5832355219201 108110.843385364 T 26 CATAB v2.0f-lin.ifort 2020-May-20 06:24:19 2020-May-20 06:24

Alternate Designations
 1996 EC1 = 2000 EX49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 07:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin