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5725 Nordlingen (1988 BK2)
Classification: Main-belt Asteroid          SPK-ID: 2005725
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05566677341897221 3.8494e-08  
a 2.680510017421786 1.5393e-08 au
q 2.531294673634682 1.0749e-07 au
i 22.54636444333049 5.8296e-06 deg
node 55.26056587393864 1.1623e-05 deg
peri 76.49443132261797 6.6677e-05 deg
M 26.31456853960248 6.2636e-05 deg
tp 2458483.329486942785
(2018-Dec-30.82948694)		 0.00027905 TDB
period 1602.966989069794
4.39		 1.3807e-05
3.78e-08		 d
yr
n .2245835394332786 1.9345e-09 deg/d
Q 2.829725361208889 1.625e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1666  
   data-arc span      24191 days (66.23 yr)  
   first obs. used      1953-02-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:10:58  

Additional Information
 Earth MOID = 1.61878 au 
 Jupiter MOID = 2.32096 au 
 T_jup = 3.265 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456834.5 (2014-Jun-26.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05702820987930102 3.8523e-08  
q 2.528898808391015 1.0785e-07 au
tp 2456881.111324159516
(2014-Aug-11.61132416)		 0.00027435 TDB
node 55.30904035645062 1.1624e-05 deg
peri 76.73416136425776 6.5059e-05 deg
i 22.54556488504557 5.8286e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1666  
   data-arc span      24191 days (66.23 yr)  
   first obs. used      1953-02-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:10:58  

Additional Information
 Jupiter MOID = 2.32096 au 
 T_jup = 3.265 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.483996432791928E-15 -4.11880671378474E-15 2.948880963191852E-12 2.419292773138405E-15 6.924474401609852E-13 -1.182385257959041E-14
q -4.11880671378474E-15 1.163122170824003E-14 -8.734523735497819E-12 -5.215304243678721E-15 -2.053199294404053E-12 3.280984423240886E-14
tp 2.948880963191852E-12 -8.734523735497819E-12 7.526855087218748E-8 -7.422238304436509E-12 1.758033813429978E-8 -5.771043357216585E-11
node 2.419292773138405E-15 -5.215304243678721E-15 -7.422238304436509E-12 1.351074329717435E-10 -1.261636516133739E-10 -1.944819871865698E-11
peri 6.924474401609852E-13 -2.053199294404053E-12 1.758033813429978E-8 -1.261636516133739E-10 4.23270422456195E-9 4.49891157850948E-12
i -1.182385257959041E-14 3.280984423240886E-14 -5.771043357216585E-11 -1.944819871865698E-11 4.49891157850948E-12 3.397311609285818E-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 12.8   n/a MPO473845  
diameter diameter 7.619 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.311   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5725 Nordlingen (1988 BK2)          Discovered 1988-Jan-23 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 BK2 = 1991 VM3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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