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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465399201607481 2.7784e-08  
a 2.39138744473922 6.8058e-09 au
q 2.040953719513719 6.7704e-08 au
i 5.140067115140067 3.6659e-06 deg
node 200.4641022061251 3.1423e-05 deg
peri 51.83255440034971 3.3814e-05 deg
M 274.281827299664 1.3438e-05 deg
tp 2459322.120518434006
(2021-Apr-17.62051843)
5.1013e-05 TDB
period 1350.744923611611
3.70
5.7663e-06
1.579e-08
d
yr
n .2665196024112642 1.1378e-09 deg/d
Q 2.74182116996472 7.8031e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      25674 days (70.29 yr)  
   first obs. used      1950-02-17  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:08:06  

Additional Information
 Earth MOID = 1.03165 au 
 Jupiter MOID = 2.29472 au 
 T_jup = 3.512 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456827.5 (2014-Jun-19.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470239692841677 2.7675e-08  
q 2.039835283260535 6.747e-08 au
tp 2456621.085747177936
(2013-Nov-24.58574718)
4.7015e-05 TDB
node 200.4930599599972 3.1438e-05 deg
peri 51.92658998007651 3.3828e-05 deg
i 5.13834899959163 3.6657e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      25674 days (70.29 yr)  
   first obs. used      1950-02-17  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:08:06  

Additional Information
 Jupiter MOID = 2.29472 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.659106251585199E-16 -1.860585376385144E-15 -3.848508088847233E-13 1.579255226476238E-15 -1.0738407173902E-13 1.162418798222341E-16
q -1.860585376385144E-15 4.552154044133502E-15 9.835789943996756E-13 -4.486238476681939E-15 2.744999424309412E-13 -1.793335494345141E-16
tp -3.848508088847233E-13 9.835789943996756E-13 2.210442133045208E-9 -6.606754049434916E-12 5.930623640652134E-10 4.942484297586072E-13
node 1.579255226476238E-15 -4.486238476681939E-15 -6.606754049434916E-12 9.88372303143498E-10 -9.859040369051191E-10 -6.533740975045309E-12
peri -1.0738407173902E-13 2.744999424309412E-13 5.930623640652134E-10 -9.859040369051191E-10 1.14433945843516E-9 6.646017823091382E-12
i 1.162418798222341E-16 -1.793335494345141E-16 4.942484297586072E-13 -6.533740975045309E-12 6.646017823091382E-12 1.343756877584332E-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-August); 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) MPB 46, 180-187.]
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

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Alternate Designations
 1950 DL = 1969 LE = 1977 SF = 1980 JN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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