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 ]  
4100 Sumiko (1988 BF)
Classification: Main-belt Asteroid          SPK-ID: 2004100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104374684955535 4.0728e-08  
a 3.007099884925555 1.6098e-08 au
q 2.675003386121106 1.2242e-07 au
i 11.12444485732639 3.9011e-06 deg
node 89.87540008364769 2.5958e-05 deg
peri 307.4587938274543 3.2748e-05 deg
M 142.5018526080239 2.0855e-05 deg
tp 2458246.557513417645
(2018-May-08.05751342)
0.00010913 TDB
period 1904.672046027596
5.21
1.5295e-05
4.188e-08
d
yr
n .1890089166535623 1.5178e-09 deg/d
Q 3.339196383730004 1.7876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2291  
   data-arc span      33025 days (90.42 yr)  
   first obs. used      1929-11-28  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:03:50  

Additional Information
 Earth MOID = 1.70089 au 
 Jupiter MOID = 2.06183 au 
 T_jup = 3.213 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456686.5 (2014-Jan-29.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090087181625676 4.0573e-08  
q 2.683733587111022 1.2206e-07 au
tp 2456347.594485300781
(2013-Feb-24.09448530)
0.00010963 TDB
node 89.93807728821216 2.5909e-05 deg
peri 308.9100206396321 3.2885e-05 deg
i 11.12954292638338 3.9027e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2291  
   data-arc span      33025 days (90.42 yr)  
   first obs. used      1929-11-28  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:03:50  

Additional Information
 Jupiter MOID = 2.06183 au 
 T_jup = 3.213 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.646193231586262E-15 -4.918195073740282E-15 -9.588678175737398E-13 4.710095274685464E-15 -2.112043878799052E-13 1.314872370704344E-15
q -4.918195073740282E-15 1.489980034570393E-14 2.866931128218287E-12 -1.257540807585187E-14 6.350264426984931E-13 -3.56838720290254E-15
tp -9.588678175737398E-13 2.866931128218287E-12 1.201945962530171E-8 -8.450507531910669E-12 2.260724843522186E-9 -1.700393961191957E-12
node 4.710095274685464E-15 -1.257540807585187E-14 -8.450507531910669E-12 6.71293666954582E-10 -6.600614561873417E-10 3.411520045808251E-12
peri -2.112043878799052E-13 6.350264426984931E-13 2.260724843522186E-9 -6.600614561873417E-10 1.081426442588038E-9 -3.656213236460857E-12
i 1.314872370704344E-15 -3.56838720290254E-15 -1.700393961191957E-12 3.411520045808251E-12 -3.656213236460857E-12 1.523139207063922E-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 11.7   n/a MPO435737  
diameter diameter 15.561 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.2108 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Simpson, G.; Chong, E.; Gerhardt, M.; Gorsky, S.; et al. (2013) Minor Planet Bull. 146-151.]
geometric albedo albedo 0.201   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4100 Sumiko (1988 BF)          Discovered 1988-Jan-16 by Hioki and Kawasato at Okutama
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 BF = 1929 XK = 1957 EN = 1979 HU6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-12 13:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin