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193781 (2001 OR25)
Classification: Main-belt Asteroid          SPK-ID: 2193781
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803481195387849 3.7826e-08  
a 2.221871817929459 1.1234e-08 au
q 1.821161413709659 8.4408e-08 au
i 4.535405513983368 5.9153e-06 deg
node 230.7258539047029 5.5548e-05 deg
peri 78.15560736090323 5.9095e-05 deg
M 246.1706435238042 2.1728e-05 deg
tp 2459382.997593718539
(2021-Jun-17.49759372)
7.4816e-05 TDB
period 1209.697902205659
3.31
9.1748e-06
2.512e-08
d
yr
n .2975949609762957 2.2571e-09 deg/d
Q 2.622582222149258 1.326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:25:55  

Additional Information
 Earth MOID = .813241 au 
 Jupiter MOID = 2.63325 au 
 T_jup = 3.623 
[ show covariance matrix ]

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 17.0   n/a MPO454346  

193781 (2001 OR25)          Discovered 2001-Jul-18 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2029-Oct-08 20:09 < 00:01 Eunom 0.0448034807746267 0.0448002858674609 0.0448066759857133 4.81559087690186 4.81559081183909 2462418.339263925 0.772917596639086 260.267576135608 71.6660900214735 -55.3793595811297 78285.0294700623 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 06:25:56 2020-Nov-12 06:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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