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 ]  
161913 (2007 EA)
Classification: Main-belt Asteroid          SPK-ID: 2161913
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442240169029711 4.1387e-08  
a 2.230129686627313 1.0899e-08 au
q 1.908491425007358 9.1667e-08 au
i 6.842399103545816 6.1383e-06 deg
node 146.8332310950814 4.6069e-05 deg
peri 122.9823814911129 5.3467e-05 deg
M 241.9368028149294 2.6938e-05 deg
tp 2459399.438218833268
(2021-Jul-03.93821883)
9.1235e-05 TDB
period 1216.448158310059
3.33
8.9174e-06
2.441e-08
d
yr
n .2959435612119525 2.1695e-09 deg/d
Q 2.551767948247269 1.2471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1994-03-13  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55762  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 11:49:30  

Additional Information
 Earth MOID = .902552 au 
 Jupiter MOID = 2.55649 au 
 T_jup = 3.620 
[ 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 17.5   n/a MPO454076  

161913 (2007 EA)          Discovered 2007-Mar-05 by Sarneczky, K. at Piszkesteto
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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
2140-Mar-08 03:14 < 00:01 Hebe 0.0439648519953397 0.0439398900754033 0.0439898195697701 6.33704879979683 6.33704877748347 2502745.634809415 0.706409935527943 1472.63284836613 63.8572591392704 -32.3445044974533 55217.5916690565 T 12 CATAB v2.0e-lin.ifort 2018-Oct-03 11:49:32 2018-Dec-17 19:10

Alternate Designations
 2007 EA = 1997 BJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-27 02:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin