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 ]  
85515 (1997 UT24)
Classification: Main-belt Asteroid          SPK-ID: 2085515
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427232675677784 4.2682e-08  
a 2.360986999160407 9.009e-09 au
q 1.78792052003915 1.0249e-07 au
i 2.205710474018951 4.0792e-06 deg
node 279.4184093163672 0.00012396 deg
peri 101.054861680264 0.00012437 deg
M 88.69823471871642 9.6127e-06 deg
tp 2458674.023973468712
(2019-Jul-09.52397347)
3.4678e-05 TDB
period 1325.069996308092
3.63
7.5843e-06
2.076e-08
d
yr
n .2716837608602047 1.555e-09 deg/d
Q 2.934053478281665 1.1196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      9699 days (26.55 yr)  
   first obs. used      1993-07-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:30  

Additional Information
 Earth MOID = .792207 au 
 Jupiter MOID = 2.53629 au 
 T_jup = 3.510 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456672.5 (2014-Jan-15.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2437526321018115 4.304e-08  
q 1.784715311443247 1.0347e-07 au
tp 2456022.433281698972
(2012-Apr-04.93328170)
3.168e-05 TDB
node 279.7045280617583 0.00012427 deg
peri 100.3718907739997 0.00012467 deg
i 2.202526681962514 4.0789e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      9699 days (26.55 yr)  
   first obs. used      1993-07-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:30  

Additional Information
 Jupiter MOID = 2.53629 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.85243684605568E-15 -4.444097481590057E-15 -4.772840705694914E-13 -1.487748639915346E-15 -1.874795749491148E-13 -2.142267421931789E-15
q -4.444097481590057E-15 1.070503062347919E-14 1.115753634895003E-12 4.450365926842158E-15 4.454219650460457E-13 5.211937319711001E-15
tp -4.772840705694914E-13 1.115753634895003E-12 1.003627322740194E-9 -1.533667194734728E-12 3.325849007576751E-10 1.004301979941329E-12
node -1.487748639915346E-15 4.450365926842158E-15 -1.533667194734728E-12 1.544279245555641E-8 -1.543189689721682E-8 9.153708122254787E-11
peri -1.874795749491148E-13 4.454219650460457E-13 3.325849007576751E-10 -1.543189689721682E-8 1.554193041523474E-8 -9.112415520607559E-11
i -2.142267421931789E-15 5.211937319711001E-15 1.004301979941329E-12 9.153708122254787E-11 -9.112415520607559E-11 1.663746556815213E-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 16.1   n/a MPO453285  

85515 (1997 UT24)          Discovered 1997-Oct-26 by Munari, U., Tombelli, M. at Cima Ekar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 UT24 = 1993 OB9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-25 05:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin