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 ]  
3947 Swedenborg (1983 XD)
Classification: Main-belt Asteroid          SPK-ID: 2003947
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1485380798361739 1.6154e-08  
a 3.099570732876366 1.4904e-08 au
q 2.639166447898508 5.2035e-08 au
i 5.379774284280553 8.0213e-07 deg
node 253.90266465395 9.3636e-06 deg
peri 99.8755612691902 1.3482e-05 deg
M 345.1417639732613 6.574e-06 deg
tp 2459282.765076573086
(2021-Mar-09.26507657)
3.6525e-05 TDB
period 1993.199429125744
5.46
1.4376e-05
3.936e-08
d
yr
n .1806141396287189 1.3027e-09 deg/d
Q 3.559975017854224 1.7118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2493  
   data-arc span      23841 days (65.27 yr)  
   first obs. used      1955-09-17  
   last obs. used      2020-12-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44156  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:45:18  

Additional Information
 Earth MOID = 1.63946 au 
 Jupiter MOID = 1.93772 au 
 T_jup = 3.199 
[ show covariance matrix ]

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 12.27   n/a E2021B10  
diameter diameter 15.524 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 38.557 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.090   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3947 Swedenborg (1983 XD)          Discovered 1983-Dec-01 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1983 XD = 1955 SP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-10 00:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin