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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2302616035179191 3.6302e-08  
a 2.622787242329838 1.0228e-08 au
q 2.018860046224628 9.7443e-08 au
i 7.200593259205727 3.9613e-06 deg
node 121.6021877617006 3.3716e-05 deg
peri 349.3585791684359 3.4903e-05 deg
M 84.66772184356672 9.1679e-06 deg
tp 2458635.612997133884
(2019-Jun-01.11299713)
3.8738e-05 TDB
period 1551.4687081637
4.25
9.0757e-06
2.485e-08
d
yr
n .2320381958757594 1.3574e-09 deg/d
Q 3.226714438435048 1.2584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1849  
   data-arc span      15644 days (42.83 yr)  
   first obs. used      1977-03-09  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 20:45:04  

Additional Information
 Earth MOID = 1.03595 au 
 Jupiter MOID = 1.90142 au 
 T_jup = 3.355 
[ 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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