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 ]  
70420 (1999 SM13)
Classification: Main-belt Asteroid          SPK-ID: 2070420
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401202494129254 4.8523e-08  
a 2.530894379759097 8.7051e-09 au
q 2.176264828029482 1.2352e-07 au
i 7.279424189464422 5.6084e-06 deg
node 187.4738840324708 2.6798e-05 deg
peri 194.3505518153992 3.1525e-05 deg
M 33.77887952520312 1.6244e-05 deg
tp 2458862.508543787822
(2020-Jan-14.00854379)
6.6221e-05 TDB
period 1470.650445918997
4.03
7.5875e-06
2.077e-08
d
yr
n .2447896446086066 1.2629e-09 deg/d
Q 2.885523931488713 9.9248e-09 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      10277 days (28.14 yr)  
   first obs. used      1991-10-06  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:14:19  

Additional Information
 Earth MOID = 1.17962 au 
 Jupiter MOID = 2.5717 au 
 T_jup = 3.426 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456997.5 (2014-Dec-06.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415297488340361 4.9054e-08  
q 2.172456219995255 1.2522e-07 au
tp 2457388.438315583602
(2015-Dec-31.93831558)
6.351e-05 TDB
node 187.5510982302546 2.6744e-05 deg
peri 193.5863147747932 3.1313e-05 deg
i 7.286127580348027 5.6166e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      10277 days (28.14 yr)  
   first obs. used      1991-10-06  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:14:19  

Additional Information
 Jupiter MOID = 2.5717 au 
 T_jup = 3.426 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.406258370009637E-15 -6.131377632203888E-15 -1.783473727705505E-12 -8.663248607744877E-15 -3.946873975962923E-13 7.448034038178887E-16
q -6.131377632203888E-15 1.567917193015933E-14 4.574846506072455E-12 2.096921040439233E-14 1.009633850147044E-12 -1.577364206381788E-15
tp -1.783473727705505E-12 4.574846506072455E-12 4.033580678082098E-9 8.514487096309067E-13 1.037992590052081E-9 -1.797080253553575E-13
node -8.663248607744877E-15 2.096921040439233E-14 8.514487096309067E-13 7.152220804243181E-10 -7.090049825808409E-10 -5.842276100587915E-11
peri -3.946873975962923E-13 1.009633850147044E-12 1.037992590052081E-9 -7.090049825808409E-10 9.804814869609346E-10 5.79355051183428E-11
i 7.448034038178887E-16 -1.577364206381788E-15 -1.797080253553575E-13 -5.842276100587915E-11 5.79355051183428E-11 3.154671685875966E-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 15.6   n/a MPO449444  

70420 (1999 SM13)          Discovered 1999-Sep-29 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 SM13 = 1999 RA89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-28 00:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin