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
JPL Small-Body Database Browser
Search: [ help ]  
100012 (1989 BC1)
Classification: Main-belt Asteroid          SPK-ID: 2100012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2796947578014515 4.5853e-08  
a 2.671971078603682 1.4315e-08 au
q 1.924634774921142 1.2446e-07 au
i 27.76930000566662 4.9793e-06 deg
node 119.1094916319761 1.083e-05 deg
peri 288.5453590515429 1.3581e-05 deg
M 155.4517163559894 9.7634e-06 deg
tp 2458511.627136439076
(2019-Jan-28.12713644)
4.0255e-05 TDB
period 1595.313559060474
4.37
1.282e-05
3.51e-08
d
yr
n .2256609667456311 1.8134e-09 deg/d
Q 3.419307382286222 1.8319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      11762 days (32.20 yr)  
   first obs. used      1989-01-04  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:30:54  

Additional Information
 Earth MOID = 1.08906 au 
 Jupiter MOID = 2.30406 au 
 T_jup = 3.165 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.29   n/a E2021B55  
diameter diameter 6.154 km 1.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.032   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

100012 (1989 BC1)          Discovered 1989-Jan-25 by Mrkos, A. at Klet
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1989 BC1 = 1989 AC3 = 2001 VR98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-22 09:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin