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 ]  
100550 (1997 EM41)
Classification: Main-belt Asteroid          SPK-ID: 2100550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093177437453451 4.4394e-08  
a 2.518708316540747 1.1365e-08 au
q 2.243368806223876 1.128e-07 au
i 11.06884874800641 4.7383e-06 deg
node 323.0431749858861 1.7328e-05 deg
peri 200.1812209259801 2.3441e-05 deg
M 288.2340709939549 1.6163e-05 deg
tp 2459291.559012471635
(2021-Mar-18.05901247)
6.6436e-05 TDB
period 1460.041637320161
4.00
9.8818e-06
2.705e-08
d
yr
n .2465683106550053 1.6688e-09 deg/d
Q 2.794047826857617 1.2607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1111  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1997-03-10  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:18  

Additional Information
 Earth MOID = 1.25551 au 
 Jupiter MOID = 2.21421 au 
 T_jup = 3.423 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457112.5 (2015-Mar-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088826761124577 4.4517e-08  
q 2.244611230308889 1.1304e-07 au
tp 2457833.419501614130
(2017-Mar-20.91950161)
6.2704e-05 TDB
node 323.1105805761751 1.7316e-05 deg
peri 200.5020886192104 2.3461e-05 deg
i 11.07221753485773 4.74e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1111  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1997-03-10  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:18  

Additional Information
 Jupiter MOID = 2.21421 au 
 T_jup = 3.423 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.981762021608487E-15 -5.011796322119291E-15 -3.538920084805543E-13 1.734127715955621E-14 -9.27420808066635E-14 3.590928581701126E-15
q -5.011796322119291E-15 1.277720822821687E-14 1.096909880379575E-12 -4.40045042415922E-14 2.711392317032989E-13 -8.462639254198019E-15
tp -3.538920084805543E-13 1.096909880379575E-12 3.931791712767734E-9 -1.562579330513166E-11 9.975126408301682E-10 2.840708779089997E-12
node 1.734127715955621E-14 -4.40045042415922E-14 -1.562579330513166E-11 2.998381189251802E-10 -2.976288158324768E-10 1.591292716322896E-11
peri -9.27420808066635E-14 2.711392317032989E-13 9.975126408301682E-10 -2.976288158324768E-10 5.504168698718377E-10 -1.49748162773732E-11
i 3.590928581701126E-15 -8.462639254198019E-15 2.840708779089997E-12 1.591292716322896E-11 -1.49748162773732E-11 2.2467734529747E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO348128  
diameter diameter 4.299 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100550 (1997 EM41)          Discovered 1997-Mar-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 EM41 = 2000 YZ34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-18 11:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin