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 ]  
185582 (2008 BZ20)
Classification: Main-belt Asteroid          SPK-ID: 2185582
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678172998490793 5.2484e-08  
a 2.767113646146534 2.4934e-08 au
q 2.302744105674682 1.477e-07 au
i 1.131206394750954 5.8709e-06 deg
node 310.0721514685131 0.00031396 deg
peri 277.1851940844838 0.00031461 deg
M 183.3172562484024 2.559e-05 deg
tp 2459825.645537275812
(2022-Sep-03.14553728)
0.00012681 TDB
period 1681.275641932102
4.60
2.2724e-05
6.221e-08
d
yr
n .2141231283088668 2.8941e-09 deg/d
Q 3.231483186618386 2.9118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1999-04-18  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:07:48  

Additional Information
 Earth MOID = 1.29339 au 
 Jupiter MOID = 1.76044 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456887.5 (2014-Aug-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677029589148275 5.2284e-08  
q 2.303497645444645 1.4705e-07 au
tp 2456464.940117433967
(2013-Jun-21.44011743)
0.00010236 TDB
node 310.2184989953166 0.00031361 deg
peri 277.3899421929623 0.00031428 deg
i 1.131469928678742 5.8791e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1999-04-18  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:07:48  

Additional Information
 Jupiter MOID = 1.76044 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.733637817952866E-15 -7.611097891677265E-15 -2.362382916091552E-12 -1.55801024180629E-14 -5.419394709657905E-13 1.642911024636184E-17
q -7.611097891677265E-15 2.162345354956506E-14 7.368753815628853E-12 5.148688194256133E-14 1.674546617096327E-12 3.390508679411494E-16
tp -2.362382916091552E-12 7.368753815628853E-12 1.047824787281799E-8 4.834334414741733E-11 2.150000459781896E-9 1.392187477271508E-13
node -1.55801024180629E-14 5.148688194256133E-14 4.834334414741733E-11 9.835257896209747E-8 -9.832234306624179E-8 9.793901938587462E-10
peri -5.419394709657905E-13 1.674546617096327E-12 2.150000459781896E-9 -9.832234306624179E-8 9.876907936539058E-8 -9.791367260694546E-10
i 1.642911024636184E-17 3.390508679411494E-16 1.392187477271508E-13 9.793901938587462E-10 -9.791367260694546E-10 3.456362931740077E-11

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 16.2   n/a MPO418002  

185582 (2008 BZ20)          Discovered 2008-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2008 BZ20 = 2004 HB75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 00:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin