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 ]  
2031 BAM (1969 TG2)
Classification: Main-belt Asteroid          SPK-ID: 2002031
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721656004038741 3.3752e-08  
a 2.234210539930377 5.5481e-09 au
q 1.8495563408946 7.5998e-08 au
i 4.749742120657999 3.7306e-06 deg
node 169.2181094538697 3.9717e-05 deg
peri 213.9521321917637 4.0924e-05 deg
M 300.665132406707 9.5692e-06 deg
tp 2458801.544431269106
(2019-Nov-14.04443127)
3.241e-05 TDB
period 1219.788603102222
3.34
4.5436e-06
1.244e-08
d
yr
n .2951331067403251 1.0993e-09 deg/d
Q 2.618864738966154 6.5033e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2372  
   data-arc span      29211 days (79.98 yr)  
   first obs. used      1939-11-06  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:11:37  

Additional Information
 Earth MOID = .853919 au 
 Jupiter MOID = 2.83483 au 
 T_jup = 3.615 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456422.5 (2013-May-10.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726482351225849 3.3905e-08  
q 1.848544354453898 7.6392e-08 au
tp 2456361.507851341189
(2013-Mar-10.00785134)
3.3365e-05 TDB
node 169.322104312259 3.9702e-05 deg
peri 213.810477606525 4.0893e-05 deg
i 4.750159930142615 3.7323e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2372  
   data-arc span      29211 days (79.98 yr)  
   first obs. used      1939-11-06  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:11:37  

Additional Information
 Jupiter MOID = 2.83483 au 
 T_jup = 3.615 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.149515437226222E-15 -2.585426979717549E-15 -9.557933146801597E-14 4.792144970118786E-15 -3.204250327231527E-14 5.810841852349471E-16
q -2.585426979717549E-15 5.835787826191891E-15 1.700962784882944E-13 -1.089971245597213E-14 5.971815214545657E-14 -1.280489342326676E-15
tp -9.557933146801597E-14 1.700962784882944E-13 1.113249966431949E-9 -8.665337756051876E-12 3.362472808475972E-10 1.481712414919941E-13
node 4.792144970118786E-15 -1.089971245597213E-14 -8.665337756051876E-12 1.576222941558383E-9 -1.572734947536299E-9 1.21365749016614E-11
peri -3.204250327231527E-14 5.971815214545657E-14 3.362472808475972E-10 -1.572734947536299E-9 1.672248234954273E-9 -1.207278611165889E-11
i 5.810841852349471E-16 -1.280489342326676E-15 1.481712414919941E-13 1.21365749016614E-11 -1.207278611165889E-11 1.393012219268324E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO298972  
rotation period rot_per 10.774 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

2031 BAM (1969 TG2)          Discovered 1969-Oct-08 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1969 TG2 = 1939 VB = 1959 TW = 1972 NQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin