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JPL Small-Body Database Browser
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7197 Pieroangela (1994 BH)
Classification: Main-belt Asteroid          SPK-ID: 2007197
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .230488412593946 3.6568e-08  
a 2.623386068133549 1.0366e-08 au
q 2.018725977668374 9.8325e-08 au
i 7.200288583834021 3.9745e-06 deg
node 121.6014231752496 3.3765e-05 deg
peri 349.3822409315315 3.4947e-05 deg
M 351.8331340191361 8.9779e-06 deg
tp 2458635.708268431806
(2019-Jun-01.20826843)
3.8775e-05 TDB
period 1552.000077526609
4.25
9.1985e-06
2.518e-08
d
yr
n .2319587512996293 1.3748e-09 deg/d
Q 3.228046158598724 1.2755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1823  
   data-arc span      15613 days (42.75 yr)  
   first obs. used      1977-03-09  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:22:33  

Additional Information
 Earth MOID = 1.03606 au 
 Jupiter MOID = 1.9012 au 
 T_jup = 3.354 
[ 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 13.5   n/a MPO502221  
diameter diameter 5.206 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.312   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

7197 Pieroangela (1994 BH)          Discovered 1994-Jan-16 by Boattini, A., Tombelli, M. at Cima Ekar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1994 BH = 1977 ER 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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