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 ]  
186344 (2002 ER101)
Classification: Main-belt Asteroid          SPK-ID: 2186344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04671743009006038 5.9217e-08  
a 3.097575748520606 3.2508e-08 au
q 2.952864970040428 1.7048e-07 au
i 10.367876766034 4.817e-06 deg
node 39.05312490273622 2.8018e-05 deg
peri 122.4736554304962 5.6932e-05 deg
M 159.797525259317 5.1521e-05 deg
tp 2458316.608660697944
(2018-Jul-17.10866070)
0.00028383 TDB
period 1991.275407002509
5.45
3.1347e-05
8.582e-08
d
yr
n .1807886537110968 2.846e-09 deg/d
Q 3.242286527000784 3.4027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      6769 days (18.53 yr)  
   first obs. used      2002-02-10  
   last obs. used      2020-08-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:54  

Additional Information
 Earth MOID = 1.97245 au 
 Jupiter MOID = 1.74912 au 
 T_jup = 3.196 
[ 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 15.32   n/a E2021B55  

186344 (2002 ER101)          Discovered 2002-Mar-06 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 21:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin