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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2302616039509468 3.5978e-08  
a 2.622787242228239 1.0166e-08 au
q 2.018860045010685 9.6496e-08 au
i 7.200593232234207 3.9421e-06 deg
node 121.6021878864726 3.3675e-05 deg
peri 349.3585790593238 3.4863e-05 deg
M 84.66772188658997 9.1562e-06 deg
tp 2458635.612996969671
(2019-Jun-01.11299697)
3.8698e-05 TDB
period 1551.468708073551
4.25
9.0201e-06
2.47e-08
d
yr
n .2320381958892421 1.349e-09 deg/d
Q 3.226714439445794 1.2507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1873  
   data-arc span      15671 days (42.90 yr)  
   first obs. used      1977-03-09  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:23:19  

Additional Information
 Earth MOID = 1.03595 au 
 Jupiter MOID = 1.90142 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456508.5 (2013-Aug-04.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304607056480449 3.6052e-08  
q 2.018792196425466 9.676e-08 au
tp 2457085.177537043455
(2015-Mar-03.67753704)
3.6663e-05 TDB
node 121.6233627373958 3.3656e-05 deg
peri 349.582334518331 3.4837e-05 deg
i 7.202000554849878 3.9435e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1873  
   data-arc span      15671 days (42.90 yr)  
   first obs. used      1977-03-09  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:23:19  

Additional Information
 Jupiter MOID = 1.90142 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.299740176786058E-15 -3.477449855047703E-15 -3.307677944464662E-13 6.905027842615585E-16 -5.603845227375622E-14 -6.876612714606955E-16
q -3.477449855047703E-15 9.362412438771764E-15 8.934378022412152E-13 -3.754750255529022E-15 1.457059021785291E-13 2.02531515440734E-15
tp -3.307677944464662E-13 8.934378022412152E-13 1.344176111293324E-9 -2.405724947388994E-12 3.461048689773019E-10 9.787575260547671E-13
node 6.905027842615585E-16 -3.754750255529022E-15 -2.405724947388994E-12 1.132715944334314E-9 -1.124037293943919E-9 -2.239609421509401E-11
peri -5.603845227375622E-14 1.457059021785291E-13 3.461048689773019E-10 -1.124037293943919E-9 1.21364200592216E-9 2.245555640561274E-11
i -6.876612714606955E-16 2.02531515440734E-15 9.787575260547671E-13 -2.239609421509401E-11 2.245555640561274E-11 1.555106202662124E-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 13.5   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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