Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 08:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin