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 ]  
442951 (2013 CU104)
Classification: Main-belt Asteroid          SPK-ID: 2442951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04176585276911799 5.8107e-08  
a 3.114804950487771 5.8092e-08 au
q 2.984712465521179 2.0211e-07 au
i 10.25891898566645 8.7202e-06 deg
node 344.3322042327017 3.6166e-05 deg
peri 246.6770180375204 0.00011405 deg
M 323.4606296480208 0.000107 deg
tp 2458804.299573029531
(2019-Nov-16.79957303)
0.00059689 TDB
period 2007.912166627057
5.50
5.6172e-05
1.538e-07
d
yr
n .179290711009903 5.0157e-09 deg/d
Q 3.244897435454363 6.0518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-10-05  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:50  

Additional Information
 Earth MOID = 1.99489 au 
 Jupiter MOID = 1.78881 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457444.5 (2016-Feb-26.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04108625159897361 5.828e-08  
q 2.988926502397055 2.0267e-07 au
tp 2456790.181123318025
(2014-May-12.68112332)
0.00060772 TDB
node 344.3518949832327 3.6156e-05 deg
peri 245.7832819166162 0.00011553 deg
i 10.2584728433495 8.7196e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-10-05  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:50  

Additional Information
 Jupiter MOID = 1.78881 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.396528686878874E-15 -1.137985260356593E-14 -4.831122291283984E-12 1.877855464125903E-14 -9.158002672935156E-13 -3.200562865149393E-15
q -1.137985260356593E-14 4.107367767883904E-14 1.259249500249636E-11 -7.781090325431336E-14 2.603154888077325E-12 1.929321942543448E-14
tp -4.831122291283984E-12 1.259249500249636E-11 3.693211302653893E-7 -1.462475758504909E-10 6.669596250366454E-8 4.737717532314665E-11
node 1.877855464125903E-14 -7.781090325431336E-14 -1.462475758504909E-10 1.307290452935739E-9 -1.313302200083469E-9 -3.331129657840297E-11
peri -9.158002672935156E-13 2.603154888077325E-12 6.669596250366454E-8 -1.313302200083469E-9 1.334827654536606E-8 4.197123992559187E-11
i -3.200562865149393E-15 1.929321942543448E-14 4.737717532314665E-11 -3.331129657840297E-11 4.197123992559187E-11 7.603080736915161E-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 15.9   n/a MPO437723  

442951 (2013 CU104)          Discovered 2008-Mar-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 CU104 = 1999 TM312 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 14:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin