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 ]  
183805 (2004 BR44)
Classification: Main-belt Asteroid          SPK-ID: 2183805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09629184609785296 4.8842e-08  
a 2.271254220365563 1.2465e-08 au
q 2.052550958529023 1.1588e-07 au
i 7.391845431200313 5.846e-06 deg
node 117.3558284531755 4.2183e-05 deg
peri 305.1384564305295 5.5009e-05 deg
M 229.2956273225057 3.7187e-05 deg
tp 2459054.425587234515
(2020-Jul-23.92558723)
0.00013092 TDB
period 1250.250531461854
3.42
1.0292e-05
2.818e-08
d
yr
n .2879422891179022 2.3704e-09 deg/d
Q 2.489957482202103 1.3665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      8259 days (22.61 yr)  
   first obs. used      1997-01-10  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65382  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:43:17  

Additional Information
 Earth MOID = 1.07599 au 
 Jupiter MOID = 2.74328 au 
 T_jup = 3.595 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457306.5 (2015-Oct-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09679463710129567 4.8947e-08  
q 2.050934496645646 1.1626e-07 au
tp 2457802.263312607913
(2017-Feb-17.76331261)
0.00012536 TDB
node 117.4167034614179 4.2226e-05 deg
peri 304.6005410521008 5.4891e-05 deg
i 7.388897787404169 5.8442e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      8259 days (22.61 yr)  
   first obs. used      1997-01-10  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65382  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:43:17  

Additional Information
 Jupiter MOID = 2.74328 au 
 T_jup = 3.595 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.395820836874515E-15 -5.668118725837167E-15 -1.54618128173185E-12 -1.11788197260279E-14 -3.629154951521115E-13 -1.616940611390331E-17
q -5.668118725837167E-15 1.351560273137231E-14 4.130405883623181E-12 2.55535726037837E-14 9.798571728085762E-13 1.207690584954356E-16
tp -1.54618128173185E-12 4.130405883623181E-12 1.571494466391015E-8 -6.673239530929294E-12 4.415722872148345E-9 -4.4596919779023E-12
node -1.11788197260279E-14 2.55535726037837E-14 -6.673239530929294E-12 1.783004762136936E-9 -1.769783076130598E-9 6.060969497204358E-11
peri -3.629154951521115E-13 9.798571728085762E-13 4.415722872148345E-9 -1.769783076130598E-9 3.013012595129408E-9 -6.13456825977343E-11
i -1.616940611390331E-17 1.207690584954356E-16 -4.4596919779023E-12 6.060969497204358E-11 -6.13456825977343E-11 3.415485911742472E-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 16.9   n/a MPO436908  

183805 (2004 BR44)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2004 BR44 = 1997 AA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 06:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin