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 ]  
79986 (1999 ER5)
Classification: Main-belt Asteroid          SPK-ID: 2079986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099929295474164 3.4202e-08  
a 3.012636082808003 1.4771e-08 au
q 2.681267414399698 1.0681e-07 au
i 10.61852114970724 4.4292e-06 deg
node 159.5169777983011 2.2334e-05 deg
peri 157.1299219876761 3.0937e-05 deg
M 316.7167389062256 2.1725e-05 deg
tp 2459626.133851817391
(2022-Feb-15.63385182)
0.00011563 TDB
period 1909.934338707936
5.23
1.4046e-05
3.846e-08
d
yr
n .1884881551705798 1.3862e-09 deg/d
Q 3.344004751216309 1.6395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1340  
   data-arc span      8184 days (22.41 yr)  
   first obs. used      1999-03-13  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:49:42  

Additional Information
 Earth MOID = 1.67131 au 
 Jupiter MOID = 2.01238 au 
 T_jup = 3.214 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.06   n/a MPO637112  
diameter diameter 4.271 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79986 (1999 ER5)          Discovered 1999-Mar-13 by Tucker, R. A. at Goodricke-Pigott
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 ER5 = 2000 KW47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-26 20:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin