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 ]  
957 Camelia (A921 RF)
Classification: Main-belt Asteroid          SPK-ID: 2000957
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08055778952537747 3.5059e-08  
a 2.923951920797526 1.2733e-08 au
q 2.688404817379596 9.9791e-08 au
i 14.76126106698491 4.5303e-06 deg
node 232.7832849112588 1.429e-05 deg
peri 224.573243818914 3.0292e-05 deg
M 199.1566432840175 2.7002e-05 deg
tp 2459816.432805607799
(2022-Aug-24.93280561)
0.00013739 TDB
period 1826.222829566327
5.00
1.1929e-05
3.266e-08
d
yr
n .1971281894912513 1.2876e-09 deg/d
Q 3.159499024215457 1.3758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2585  
   data-arc span      35805 days (98.03 yr)  
   first obs. used      1921-09-07  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:41:45  

Additional Information
 Earth MOID = 1.72339 au 
 Jupiter MOID = 2.18368 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455943.5 (2012-Jan-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08428053963421894 3.53e-08  
q 2.676160808990527 1.0169e-07 au
tp 2456159.257148594975
(2012-Aug-19.75714860)
0.00012947 TDB
node 232.8971364196462 1.4242e-05 deg
peri 222.5351006844306 2.922e-05 deg
i 14.79383524696462 4.5388e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2585  
   data-arc span      35805 days (98.03 yr)  
   first obs. used      1921-09-07  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:41:45  

Additional Information
 Jupiter MOID = 2.18368 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.246084479486377E-15 -3.569240147117088E-15 -7.647265035890292E-13 -1.963738211862964E-15 -1.642455539670563E-13 -1.612819808796376E-15
q -3.569240147117088E-15 1.034071779752231E-14 2.295731992462402E-12 4.17285084296771E-15 4.884303936584457E-13 4.246032842045658E-15
tp -7.647265035890292E-13 2.295731992462402E-12 1.676323635775441E-8 1.001160988685694E-11 3.315930020459534E-9 -1.864862793095591E-12
node -1.963738211862964E-15 4.17285084296771E-15 1.001160988685694E-11 2.028296568157868E-10 -1.939351858009053E-10 -3.25357738248208E-12
peri -1.642455539670563E-13 4.884303936584457E-13 3.315930020459534E-9 -1.939351858009053E-10 8.538227611070708E-10 2.751291279285153E-12
i -1.612819808796376E-15 4.246032842045658E-15 -1.864862793095591E-12 -3.25357738248208E-12 2.751291279285153E-12 2.060096374648286E-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 9.9   n/a MPO302064  
diameter diameter 91.548 km 0.450 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 150. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Warner, B.D. (2010) Minor Planet Bull. 37, 127-130.]
geometric albedo albedo 0.025   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

957 Camelia (A921 RF)          Discovered 1921-Sep-07 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A921 RF = 1932 AG = 1958 BM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-31 11:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin