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 ]  
193781 (2001 OR25)
Classification: Main-belt Asteroid          SPK-ID: 2193781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806513203151281 3.747e-08  
a 2.22237230441982 9.8977e-09 au
q 1.820897813394606 8.3042e-08 au
i 4.534985523008446 5.6348e-06 deg
node 230.7117588367185 5.5546e-05 deg
peri 78.14105815379926 5.8375e-05 deg
M 4.04784111387161 1.8976e-05 deg
tp 2459382.893556971278
(2021-Jun-17.39355697)
6.374e-05 TDB
period 1210.106659956
3.31
8.0841e-06
2.213e-08
d
yr
n .2974944374019805 1.9874e-09 deg/d
Q 2.623846795445034 1.1686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      8300 days (22.72 yr)  
   first obs. used      1998-10-12  
   last obs. used      2021-07-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56178  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:26:30  

Additional Information
 Earth MOID = .81242 au 
 Jupiter MOID = 2.63052 au 
 T_jup = 3.623 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457244.5 (2015-Aug-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180916483995407 3.7528e-08  
q 1.819760737810781 8.3137e-08 au
tp 2456962.850294870046
(2014-Nov-01.35029487)
5.6679e-05 TDB
node 230.782633824592 5.5591e-05 deg
peri 78.00606300188642 5.8395e-05 deg
i 4.532966932365932 5.6338e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      8300 days (22.72 yr)  
   first obs. used      1998-10-12  
   last obs. used      2021-07-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56178  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:26:30  

Additional Information
 Jupiter MOID = 2.63052 au 
 T_jup = 3.623 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.408313970876376E-15 -3.10503730031127E-15 -2.623312519521147E-13 6.482570977985087E-15 -8.64443600524572E-14 -1.32647285641318E-15
q -3.10503730031127E-15 6.911713236267806E-15 7.207284073300537E-13 -1.602518881301719E-14 2.365456053176706E-13 3.185642109277914E-15
tp -2.623312519521147E-13 7.207284073300537E-13 3.212478944394558E-9 -3.144994472280819E-11 1.02812944674734E-9 2.128927762945646E-12
node 6.482570977985087E-15 -1.602518881301719E-14 -3.144994472280819E-11 3.090394638348225E-9 -3.08910285769273E-9 2.976429074294834E-11
peri -8.64443600524572E-14 2.365456053176706E-13 1.02812944674734E-9 -3.08910285769273E-9 3.409986100983714E-9 -2.90013794517801E-11
i -1.32647285641318E-15 3.185642109277914E-15 2.128927762945646E-12 2.976429074294834E-11 -2.90013794517801E-11 3.173948386887044E-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 17.03   n/a E2021B55  

193781 (2001 OR25)          Discovered 2001-Jul-18 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-28 07:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin