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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
100043 (1991 SE3)
Classification: Main-belt Asteroid          SPK-ID: 2100043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07599410921123259 3.9107e-08  
a 3.155017736516746 2.6334e-08 au
q 2.915254974084516 1.2821e-07 au
i 7.247934784110319 6.5482e-06 deg
node 195.5235476901604 3.4153e-05 deg
peri 277.2018861986251 5.5959e-05 deg
M 320.5740341169541 4.4703e-05 deg
tp 2459224.671798152782
(2021-Jan-10.17179815)
0.00025495 TDB
period 2046.921249168566
5.60
2.5627e-05
7.016e-08
d
yr
n .1758738887225034 2.2019e-09 deg/d
Q 3.394780498948975 2.8335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      10283 days (28.15 yr)  
   first obs. used      1991-09-29  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 09:29:59  

Additional Information
 Earth MOID = 1.94334 au 
 Jupiter MOID = 1.72479 au 
 T_jup = 3.190 
[ 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 15.0   n/a MPO273079  
diameter diameter 4.682 km 0.397 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100043 (1991 SE3)          Discovered 1991-Sep-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1991 SE3 = 2000 HL104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-24 22:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin