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JPL Small-Body Database Browser
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410521 (2008 EQ158)
Classification: Main-belt Asteroid          SPK-ID: 2410521
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076683698981413 9.0557e-08  
a 2.776080993218125 6.2753e-08 au
q 2.477184877973116 2.643e-07 au
i 5.160813699113689 1.1275e-05 deg
node 151.7800884312206 0.00010137 deg
peri 62.52623168443249 0.00011261 deg
M 213.4995329964163 5.3428e-05 deg
tp 2459688.016513889851
(2022-Apr-18.51651389)
0.00026294 TDB
period 1689.454989889497
4.63
5.7285e-05
1.568e-07
d
yr
n .2130864699884941 7.2252e-09 deg/d
Q 3.074977108463134 6.9509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      3304 days (9.05 yr)  
   first obs. used      2008-03-10  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55398  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 17:31:28  

Additional Information
 Earth MOID = 1.47629 au 
 Jupiter MOID = 1.89954 au 
 T_jup = 3.321 
[ 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 17.5   n/a MPO360950  

410521 (2008 EQ158)          Discovered 2008-Mar-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

[ 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
1964-Jun-17 11:58 01:37 Jupiter 1.9205796584787 1.92057839652269 1.92058092043986 2.55894705444296 2.38036997169811 2438563.998457344 96.6406389052157 217.422154553381 17.5924398357841 74.5282097532588 1363328.78731237 T 9 CATAB v2.0e-lin.ifort 2017-Nov-26 11:29:10 2018-Dec-18 02:56
1987-Feb-17 01:26 00:42 Jupiter 1.94486203637865 1.94486098241602 1.9448630903457 2.90541860436641 2.7514398362596 2446843.559601227 42.4524343808779 262.140859660946 33.173002573034 -76.6925010356561 1270590.81931572 T 9 CATAB v2.0e-lin.ifort 2017-Nov-26 11:29:10 2018-Dec-18 02:56
2048-Jan-19 06:13 01:00 Jupiter 1.9864872362517 1.98648603914524 1.98648843335884 2.6735699191087 2.50902209246788 2469094.758766751 60.0382518110212 132.503382495354 68.7234321861245 -62.4839862043197 1156003.1606931 T 9 CATAB v2.0e-lin.ifort 2017-Nov-26 11:29:10 2018-Dec-18 02:56
2070-Sep-19 03:23 01:42 Jupiter 1.900600570503 1.9005997004633 1.90060144054627 2.62258886924271 2.44676346757286 2477373.641207095 101.680856697462 398.838420819074 30.0115351256885 -80.201085423919 1225096.00646464 T 9 CATAB v2.0e-lin.ifort 2017-Nov-26 11:29:10 2018-Dec-18 02:56
2154-Apr-23 13:07 04:32 Jupiter 1.92110798782808 1.92110583497694 1.92111014068217 2.52609215839008 2.34506617009959 2507905.046800341 272.484658232157 182.476632050029 42.6667665394572 55.5246960427244 1342818.7202058 T 9 CATAB v2.0e-lin.ifort 2017-Nov-26 11:29:10 2018-Dec-18 02:56
2176-Dec-23 03:24 04:11 Jupiter 1.95219982412189 1.95219553658384 1.95220411193581 2.92418108854209 2.77183566109599 2516184.641818747 250.973700984717 1251.1466528315 37.4344659131217 -70.7271100355144 1238680.65406572 T 9 CATAB v2.0e-lin.ifort 2017-Nov-26 11:29:10 2018-Dec-18 02:56

Alternate Designations
 2008 EQ158 = 2012 BL138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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