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85945 (1999 EB8)
Classification: Main-belt Asteroid          SPK-ID: 2085945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191075277527323 4.652e-08  
a 2.451074933117116 1.0103e-08 au
q 1.982735110031498 1.1583e-07 au
i 9.155183255212458 4.2768e-06 deg
node 21.184078900291 3.1442e-05 deg
peri 327.7834659935489 3.3846e-05 deg
M 100.0307875221046 1.4965e-05 deg
tp 2458811.038531748182
(2019-Nov-23.53853175)
5.6965e-05 TDB
period 1401.629758634782
3.84
8.6663e-06
2.373e-08
d
yr
n .2568438617846184 1.5881e-09 deg/d
Q 2.919414756202734 1.2034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      7982 days (21.85 yr)  
   first obs. used      1999-03-12  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:42:14  

Additional Information
 Earth MOID = .982373 au 
 Jupiter MOID = 2.52994 au 
 T_jup = 3.453 
[ 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 15.5   n/a MPO436376  

85945 (1999 EB8)          Discovered 1999-Mar-12 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
2068-Jan-19 00:13 00:01 Juno 0.0233423662104854 0.0233244624996753 0.0233602728212726 7.7074583449901 7.70745827736781 2476399.508791564 1.3048020290682 982.68797028531 54.7614830471334 -24.7617750471509 26893.5717775317 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:42:15 2021-Feb-24 07:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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