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 ]  
85430 (1997 BW5)
Classification: Main-belt Asteroid          SPK-ID: 2085430
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08265450333001136 3.1026e-08  
a 2.196006080919887 7.9653e-09 au
q 2.014496288991769 6.7453e-08 au
i 2.335332055528056 4.1733e-06 deg
node 324.1873283933408 0.00012624 deg
peri 133.410654693622 0.00013153 deg
M 98.2583921813694 3.67e-05 deg
tp 2458676.073824355637
(2019-Jul-11.57382436)
0.0001209 TDB
period 1188.635602915102
3.25
6.4671e-06
1.771e-08
d
yr
n .3028682626678086 1.6478e-09 deg/d
Q 2.377515872848006 8.6237e-09 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1995-07-24  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:58  

Additional Information
 Earth MOID = 1.03219 au 
 Jupiter MOID = 2.71798 au 
 T_jup = 3.663 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457102.5 (2015-Mar-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08214589638055861 3.0935e-08  
q 2.016073121231454 6.7214e-08 au
tp 2457487.769944979634
(2016-Apr-09.26994498)
0.0001211 TDB
node 324.2560038590512 0.00012609 deg
peri 133.5492185783638 0.00013146 deg
i 2.336658134499599 4.1761e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1995-07-24  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:58  

Additional Information
 Jupiter MOID = 2.71798 au 
 T_jup = 3.663 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.569950718197269E-16 -2.067232510248508E-15 -8.805340986853898E-13 -4.590212319901254E-15 -2.60027445380945E-13 -7.145305782821831E-16
q -2.067232510248508E-15 4.51778366771045E-15 2.011639907567685E-12 1.089199178324135E-14 5.89740170722402E-13 1.626183018788316E-15
tp -8.805340986853898E-13 2.011639907567685E-12 1.46650998954558E-8 4.754381826289214E-11 4.534284679561255E-9 5.310932603966161E-12
node -4.590212319901254E-15 1.089199178324135E-14 4.754381826289214E-11 1.589881003167262E-8 -1.587032937596336E-8 2.529755651785818E-10
peri -2.60027445380945E-13 5.89740170722402E-13 4.534284679561255E-9 -1.587032937596336E-8 1.728259942314942E-8 -2.511214979885471E-10
i -7.145305782821831E-16 1.626183018788316E-15 5.310932603966161E-12 2.529755651785818E-10 -2.511214979885471E-10 1.743980845774823E-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 16.8   n/a MPO459396  

85430 (1997 BW5)          Discovered 1997-Jan-31 by Comba, P. G. at Prescott
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 BW5 = 2000 AK18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-24 17:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin