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JPL Small-Body Database Browser
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295037 (2008 ER89)
Classification: Main-belt Asteroid          SPK-ID: 2295037
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813886336476488 9.1381e-08  
a 2.333925395232635 1.9368e-08 au
q 1.910577856755839 2.1988e-07 au
i 4.688965239990299 1.0427e-05 deg
node 325.0811309579784 6.7302e-05 deg
peri 231.9345933062224 7.3903e-05 deg
M 34.46634362831816 2.666e-05 deg
tp 2458475.812879934166
(2018-Dec-23.31287993)		 9.5899e-05 TDB
period 1302.353499047113
3.57		 1.6211e-05
4.438e-08		 d
yr
n .2764226458203549 3.4407e-09 deg/d
Q 2.757272933709431 2.2881e-08 au
   Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1997-02-14  
   last obs. used      2017-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52419  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 18:13:52  

Additional Information
 Earth MOID = .913935 au 
 Jupiter MOID = 2.22151 au 
 T_jup = 3.542 
[ 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 16.9   n/a MPO433901  

295037 (2008 ER89)          Discovered 2008-Mar-10 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1921-Nov-16 02:09 < 00:01 Eunom 0.0220565187532039 0.022045879444598 0.0220671898863228 7.32582666603691 7.32582657916082 2423009.589750893 0.543838155456809 1445.02115874338 98.0403746907524 68.7695817771488 31371.4387674335 T 11 CATAB v2.0e-lin.ifort 2017-Dec-07 18:13:54 2018-Dec-18 00:29

Alternate Designations
 2008 ER89 = 2005 NY47 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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