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 ]  
78920 (2003 SM108)
Classification: Main-belt Asteroid          SPK-ID: 2078920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269323359624781 4.3068e-08  
a 2.265036075136347 6.7612e-09 au
q 1.977529755080008 9.8374e-08 au
i 6.071987443647521 4.3899e-06 deg
node 215.0882027961258 3.3384e-05 deg
peri 171.045978768838 3.5886e-05 deg
M 312.104489529489 1.3079e-05 deg
tp 2459166.154568486343
(2020-Nov-12.65456849)
4.5385e-05 TDB
period 1245.119721436122
3.41
5.5751e-06
1.526e-08
d
yr
n .2891288233590708 1.2946e-09 deg/d
Q 2.552542395192687 7.6195e-09 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      8784 days (24.05 yr)  
   first obs. used      1996-10-18  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:13:09  

Additional Information
 Earth MOID = .982124 au 
 Jupiter MOID = 2.8816 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456934.5 (2014-Oct-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272578107936398 4.3058e-08  
q 1.977172500490449 9.8357e-08 au
tp 2456676.445788962980
(2014-Jan-18.94578896)
4.4238e-05 TDB
node 215.1933038328915 3.3376e-05 deg
peri 171.138307890879 3.5861e-05 deg
i 6.072222708549931 4.3898e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      8784 days (24.05 yr)  
   first obs. used      1996-10-18  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:13:09  

Additional Information
 Jupiter MOID = 2.8816 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.854032254399668E-15 -4.227686095095282E-15 -5.796241415378708E-13 -1.144140905677205E-14 -1.330962773281356E-13 -4.918270452824386E-15
q -4.227686095095282E-15 9.674178384592351E-15 1.300160476856131E-12 2.622968894464637E-14 2.989620273591027E-13 1.120225816640201E-14
tp -5.796241415378708E-13 1.300160476856131E-12 1.956994644895721E-9 6.224640104928774E-12 5.893452557514097E-10 3.587038640829795E-12
node -1.144140905677205E-14 2.622968894464637E-14 6.224640104928774E-12 1.113984144828743E-9 -1.105653474160983E-9 -5.69377139327469E-11
peri -1.330962773281356E-13 2.989620273591027E-13 5.893452557514097E-10 -1.105653474160983E-9 1.286037695773078E-9 5.7677242093698E-11
i -4.918270452824386E-15 1.120225816640201E-14 3.587038640829795E-12 -5.69377139327469E-11 5.7677242093698E-11 1.927026324330538E-11

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 16.3   n/a MPO432338  

78920 (2003 SM108)          Discovered 2003-Sep-20 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SM108 = 1998 FM4 = 2019 FY14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-18 15:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin