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 ]  
2572 Annschnell (1950 DL)
Classification: Main-belt Asteroid          SPK-ID: 2002572
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465801708984313 3.0285e-08  
a 2.391656588377296 6.913e-09 au
q 2.041087156922593 7.3162e-08 au
i 5.140218153659464 4.1917e-06 deg
node 200.4779028096304 3.154e-05 deg
peri 51.72309644938856 3.432e-05 deg
M 167.8068795664509 1.3816e-05 deg
tp 2457970.770673891347
(2017-Aug-05.27067389)
5.1049e-05 TDB
period 1350.972963592602
3.70
5.8574e-06
1.604e-08
d
yr
n .2664746147418545 1.1554e-09 deg/d
Q 2.742226019832 7.9263e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2389  
   data-arc span      25495 days (69.80 yr)  
   first obs. used      1950-02-17  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47614  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:17:31  

Additional Information
 Earth MOID = 1.03155 au 
 Jupiter MOID = 2.29417 au 
 T_jup = 3.512 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456572.5 (2013-Oct-07.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469324870688514 3.0118e-08  
q 2.039904802943323 7.2745e-08 au
tp 2456621.174083515478
(2013-Nov-24.67408352)
4.9856e-05 TDB
node 200.5002101843649 3.1558e-05 deg
peri 51.95331613600442 3.4346e-05 deg
i 5.138474423730293 4.1914e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2389  
   data-arc span      25495 days (69.80 yr)  
   first obs. used      1950-02-17  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47614  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:17:31  

Additional Information
 Jupiter MOID = 2.29417 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.070839412810115E-16 -2.18377538102069E-15 -5.804537337003933E-13 1.318329395635469E-15 -1.697197439622245E-13 4.939811036098557E-17
q -2.18377538102069E-15 5.291829202366729E-15 1.430713239845845E-12 -3.78623459240451E-15 4.170238169380891E-13 -9.734842868743353E-18
tp -5.804537337003933E-13 1.430713239845845E-12 2.485621611011651E-9 -6.284739014916257E-12 6.806610877738689E-10 -8.060335606144113E-14
node 1.318329395635469E-15 -3.78623459240451E-15 -6.284739014916257E-12 9.958769636326335E-10 -9.932663575588462E-10 -3.379609708525153E-12
peri -1.697197439622245E-13 4.170238169380891E-13 6.806610877738689E-10 -9.932663575588462E-10 1.179658875343031E-9 3.348599889988802E-12
i 4.939811036098557E-17 -9.734842868743353E-18 -8.060335606144113E-14 -3.379609708525153E-12 3.348599889988802E-12 1.756796220921136E-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 13.3   n/a MPO458854  
diameter diameter 3.424 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.343 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens R.D. (2017) Minor Planet Bull. 44, 321-323.]
[Stephens, R.D.; Warner, B.D. (2019) Minor Planet Bull. 45, 66-71.]
geometric albedo albedo 0.658   0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2572 Annschnell (1950 DL)          Discovered 1950-Feb-17 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1950 DL = 1969 LE = 1977 SF = 1980 JN 
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-18 11:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin