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JPL Small-Body Database Browser
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215265 (2001 OB55)
Classification: Main-belt Asteroid          SPK-ID: 2215265
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068553712220647 5.3442e-08  
a 2.68986108761101 2.12e-08 au
q 2.133448873797448 1.5325e-07 au
i 13.96655102579242 4.694e-06 deg
node 96.48447607185952 2.267e-05 deg
peri 294.9310063069486 2.5993e-05 deg
M 305.518913598728 1.1288e-05 deg
tp 2458844.357694648084
(2019-Dec-26.85769465)
5.0632e-05 TDB
period 1611.362325389693
4.41
1.905e-05
5.216e-08
d
yr
n .2234134398748198 2.6413e-09 deg/d
Q 3.246273301424571 2.5586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2001-07-22  
   last obs. used      2019-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53279  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:10:33  

Additional Information
 Earth MOID = 1.18221 au 
 Jupiter MOID = 2.2846 au 
 T_jup = 3.300 
[ 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 15.8   n/a MPO450015  

215265 (2001 OB55)          Discovered 2001-Jul-22 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
1924-Mar-03 11:08 00:40 David 0.0244204162072637 0.0243970081130677 0.0244438272465098 1.72148517946976 1.72148482011225 2423847.963575786 40.3521203960572 1236.03216661018 66.0100192215735 19.9726237750518 19015.6267300772 T 15 CATAB v2.0f-lin.ifort 2019-Dec-14 15:10:39 2019-Dec-14 15:10
2027-Jun-11 12:27 00:01 Cybel 0.0465425903953701 0.0465331718885924 0.0465520090176946 5.18029884907096 5.18029882384135 2461568.018590263 1.38938036195351 484.053889551136 88.9111641381633 14.3223795991279 23856.7915655454 T 15 CATAB v2.0f-lin.ifort 2019-Dec-14 15:10:39 2019-Dec-14 15:10
2184-Jun-09 09:06 00:50 David 0.0387880466740665 0.0387253519087346 0.0388507435934944 1.99192753255805 1.99192733702886 2518909.879202343 50.2908961677832 3151.45070311821 84.4687926219531 8.46529962826109 10237.7261932358 T 15 CATAB v2.0f-lin.ifort 2019-Dec-14 15:10:39 2019-Dec-14 15:10
2197-Feb-09 14:01 00:07 Eunom 0.0310137850901374 0.0309182335645633 0.031109357281347 8.82248392940354 8.8224838780999 2523538.084221312 6.60594681914977 4928.65484257872 51.1782121696618 14.8397391476014 23228.8204459202 T 15 CATAB v2.0f-lin.ifort 2019-Dec-14 15:10:39 2019-Dec-14 15:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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