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 ]  
48791 (1997 SD33)
Classification: Main-belt Asteroid          SPK-ID: 2048791
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505052361319481 5.0328e-08  
a 3.186094415741437 2.288e-08 au
q 2.706570523361591 1.6186e-07 au
i .2466451802475986 5.6353e-06 deg
node 322.5219872765526 0.0011978 deg
peri 178.4717791697264 0.0011979 deg
M 185.1190639249832 1.846e-05 deg
tp 2459609.581763339451
(2022-Jan-30.08176334)
0.00011151 TDB
period 2077.238622775754
5.69
2.2376e-05
6.126e-08
d
yr
n .1733070028897029 1.8668e-09 deg/d
Q 3.665618308121283 2.6324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      10264 days (28.10 yr)  
   first obs. used      1991-10-08  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59007  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:14:31  

Additional Information
 Earth MOID = 1.72001 au 
 Jupiter MOID = 1.36029 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456402.5 (2013-Apr-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480036307898728 5.1081e-08  
q 2.718187151281003 1.6443e-07 au
tp 2455453.904137688340
(2010-Sep-14.40413769)
9.9041e-05 TDB
node 323.4420108250952 0.0011841 deg
peri 178.2177283616058 0.0011842 deg
i .2484195803850369 5.6517e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      10264 days (28.10 yr)  
   first obs. used      1991-10-08  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59007  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:14:31  

Additional Information
 Jupiter MOID = 1.36029 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.609243492303156E-15 -8.33921484557273E-15 8.302980527022724E-13 -9.644956566545929E-15 2.321118135162663E-13 -1.293352383389569E-16
q -8.33921484557273E-15 2.703743817096002E-14 -2.492333002810913E-12 3.652138985041803E-14 -6.862257525087913E-13 5.282432857765198E-16
tp 8.302980527022724E-13 -2.492333002810913E-12 9.809126454437432E-9 1.971371312918087E-11 1.77552188321832E-9 -7.67332898542023E-14
node -9.644956566545929E-15 3.652138985041803E-14 1.971371312918087E-11 1.402029751293108E-6 -1.402011449852194E-6 1.277810484706424E-9
peri 2.321118135162663E-13 -6.862257525087913E-13 1.77552188321832E-9 -1.402011449852194E-6 1.402340676590213E-6 -1.277799999811584E-9
i -1.293352383389569E-16 5.282432857765198E-16 -7.67332898542023E-14 1.277810484706424E-9 -1.277799999811584E-9 3.19412879975833E-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 14.7   n/a MPO359067  
diameter diameter 5.676 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48791 (1997 SD33)          Discovered 1997-Sep-29 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SD33 = 1999 BE27 = 2000 JY25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 12:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin