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JPL Small-Body Database Browser
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893 Leopoldina (A918 KD)
Classification: Main-belt Asteroid          SPK-ID: 2000893
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490294448793592 3.4636e-08  
a 3.05055399770495 1.3755e-08 au
q 2.595931628852471 1.0659e-07 au
i 17.01612375690529 3.7498e-06 deg
node 145.0274698034655 1.3415e-05 deg
peri 222.8186214035123 1.9107e-05 deg
M 217.6119585335635 1.5982e-05 deg
tp 2459370.228412545834
(2021-Jun-04.72841255)
8.8952e-05 TDB
period 1946.106046987227
5.33
1.3162e-05
3.604e-08
d
yr
n .1849847805351189 1.2511e-09 deg/d
Q 3.505176366557429 1.5804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2975  
   data-arc span      36972 days (101.22 yr)  
   first obs. used      1918-05-31  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41117  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:13:09  

Additional Information
 Earth MOID = 1.61636 au 
 Jupiter MOID = 1.99144 au 
 T_jup = 3.154 
[ 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 9.47   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 21
diameter diameter 85.992 km 0.577 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 14.115 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2011) Minor Planet Bull. 38, 89-92.]
geometric albedo albedo 0.039   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.670   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.36 deg.
U-B UB 0.226   0.044 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.36 deg.
Tholen spectral type spec_T XF   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

893 Leopoldina (A918 KD)          Discovered 1918-May-31 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A918 KD = 1935 OL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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