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JPL Small-Body Database Browser
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65852 (1997 EX7)
Classification: Main-belt Asteroid          SPK-ID: 2065852
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406821721354995 3.1891e-08  
a 2.551143188898815 9.6e-09 au
q 2.192242823655844 8.3201e-08 au
i 3.912596310889237 5.0427e-06 deg
node 352.274410267874 4.8393e-05 deg
peri 52.22782515617989 5.2649e-05 deg
M 2.125043692251989 2.1903e-05 deg
tp 2458991.714508910934
(2020-May-22.21450891)
9.0531e-05 TDB
period 1488.334947462713
4.07
8.401e-06
2.3e-08
d
yr
n .241881036666996 1.3653e-09 deg/d
Q 2.910043554141785 1.0951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1349  
   data-arc span      8309 days (22.75 yr)  
   first obs. used      1997-03-07  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:57:29  

Additional Information
 Earth MOID = 1.20369 au 
 Jupiter MOID = 2.4847 au 
 T_jup = 3.423 
[ 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 14.8   n/a MPO432210  

65852 (1997 EX7)          Discovered 1997-Mar-07 by Osservatorio San Vittore at Bologna
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ 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
2019-Jan-31 10:21 00:01 Eunom 0.0480724553457234 0.0480713990589163 0.048073511666319 3.20181062375172 3.20181053255023 2458514.930944336 1.15836409068021 99.4558848877823 34.6870960095787 -64.9163502609193 189950.741439954 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 06:57:36 2019-Dec-14 06:57
2071-May-02 20:13 00:06 Iris 0.0328684652639502 0.0328668095100644 0.032870122175759 2.13245617361298 2.13245609159416 2477599.342450155 5.73016273268548 333.551231150612 25.7374088098367 76.3781080074345 185350.986861746 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 06:57:36 2019-Dec-14 06:57

Alternate Designations
 1997 EX7 = 1999 SD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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