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 ]  
123828 (2001 CJ9)
Classification: Main-belt Asteroid          SPK-ID: 2123828
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05811719295952952 6.1557e-08  
a 3.079676800008535 2.7266e-08 au
q 2.900694629169453 1.9544e-07 au
i 9.743908434349747 6.4131e-06 deg
node 347.7997364399062 2.3363e-05 deg
peri 178.4981484465369 4.6199e-05 deg
M 188.819167451555 4.3256e-05 deg
tp 2459939.160996792590
(2022-Dec-25.66099679)
0.00024447 TDB
period 1974.040865525642
5.40
2.6216e-05
7.178e-08
d
yr
n .1823670453266631 2.4219e-09 deg/d
Q 3.258658970847618 2.8851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      8078 days (22.12 yr)  
   first obs. used      1998-09-12  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:16  

Additional Information
 Earth MOID = 1.90751 au 
 Jupiter MOID = 1.71731 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05512663297933671 6.2095e-08  
q 2.912203647309922 1.963e-07 au
tp 2457970.473492918600
(2017-Aug-04.97349292)
0.00024043 TDB
node 348.0029488898034 2.3317e-05 deg
peri 179.5740595854148 4.7757e-05 deg
i 9.752027369274145 6.4171e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      8078 days (22.12 yr)  
   first obs. used      1998-09-12  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:16  

Additional Information
 Jupiter MOID = 1.71731 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.855833511658663E-15 -1.208697260406058E-14 -1.819439261589806E-12 -3.6769863573249E-15 -2.133135997232822E-13 2.575123379745592E-15
q -1.208697260406058E-14 3.853515596584513E-14 8.768629337328349E-12 1.237250273181461E-14 1.161830514647053E-12 -5.286053929079023E-15
tp -1.819439261589806E-12 8.768629337328349E-12 5.780824591460007E-8 -3.718410038746301E-12 1.001743535288242E-8 1.64960031370771E-11
node -3.6769863573249E-15 1.237250273181461E-14 -3.718410038746301E-12 5.436594401483306E-10 -5.361367842376287E-10 7.863146443089185E-12
peri -2.133135997232822E-13 1.161830514647053E-12 1.001743535288242E-8 -5.361367842376287E-10 2.280764046546199E-9 -5.003769664451553E-12
i 2.575123379745592E-15 -5.286053929079023E-15 1.64960031370771E-11 7.863146443089185E-12 -5.003769664451553E-12 4.117857494978485E-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 14.5   n/a MPO439794  

123828 (2001 CJ9)          Discovered 2001-Feb-01 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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 2020-Nov-29 17:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin