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 ]  
305357 (2008 BA28)
Classification: Main-belt Asteroid          SPK-ID: 2305357
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07974307030974478 4.5152e-08  
a 3.108088995912331 3.8418e-08 au
q 2.86024043658235 1.5242e-07 au
i 9.379369194916173 4.6521e-06 deg
node 127.5720366213811 3.9141e-05 deg
peri 191.5009204397058 5.607e-05 deg
M 258.1269113976733 4.2201e-05 deg
tp 2459566.863905751683
(2021-Dec-18.36390575)
0.00023858 TDB
period 2001.421659713466
5.48
3.7109e-05
1.016e-07
d
yr
n .1798721415114192 3.335e-09 deg/d
Q 3.355937555242313 4.1482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      5880 days (16.10 yr)  
   first obs. used      2004-04-19  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:12:20  

Additional Information
 Earth MOID = 1.84747 au 
 Jupiter MOID = 1.91482 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457737.5 (2016-Dec-15.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07868740081052285 4.5164e-08  
q 2.865881239086539 1.5246e-07 au
tp 2457564.829414605759
(2016-Jun-25.32941461)
0.00022969 TDB
node 127.5859502178772 3.9148e-05 deg
peri 191.6116054498926 5.6454e-05 deg
i 9.376256774568491 4.6504e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      5880 days (16.10 yr)  
   first obs. used      2004-04-19  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:12:20  

Additional Information
 Jupiter MOID = 1.91482 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.039821498060125E-15 -6.706884517672252E-15 2.201213624057916E-12 2.030822690812304E-15 4.168099005622417E-13 9.013660870016831E-16
q -6.706884517672252E-15 2.324543756217845E-14 -4.782062353446021E-12 1.376842881490543E-16 -9.303733345759681E-13 -2.125754104738005E-16
tp 2.201213624057916E-12 -4.782062353446021E-12 5.275889386067481E-8 2.131208556885878E-12 9.420110423389617E-9 1.284501797477578E-11
node 2.030822690812304E-15 1.376842881490543E-16 2.131208556885878E-12 1.532595532083252E-9 -1.511169249899099E-9 3.929011347800376E-11
peri 4.168099005622417E-13 -9.303733345759681E-13 9.420110423389617E-9 -1.511169249899099E-9 3.187063629218598E-9 -3.645967422793113E-11
i 9.013660870016831E-16 -2.125754104738005E-16 1.284501797477578E-11 3.929011347800376E-11 -3.645967422793113E-11 2.162641836898074E-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 15.6   n/a MPO433967  

305357 (2008 BA28)          Discovered 2008-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-20 08:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin