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332482 (2008 EQ122)
Classification: Main-belt Asteroid          SPK-ID: 2332482
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517516477875695 6.6126e-08  
a 2.422142221690644 1.6543e-08 au
q 2.054578148373245 1.6316e-07 au
i 3.862895729447713 6.9936e-06 deg
node 176.1659116200936 0.0001028 deg
peri 3.051009375266045 0.00010577 deg
M 142.678517434679 2.7e-05 deg
tp 2458654.799974215892
(2019-Jun-20.29997422)
0.00010015 TDB
period 1376.885692495498
3.77
1.4106e-05
3.862e-08
d
yr
n .2614596127784058 2.6787e-09 deg/d
Q 2.789706295008044 1.9054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:47:24  

Additional Information
 Earth MOID = 1.05761 au 
 Jupiter MOID = 2.16892 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457583.5 (2016-Jul-14.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511270117379876 6.6117e-08  
q 2.05551736209809 1.6303e-07 au
tp 2457276.530378559332
(2015-Sep-11.03037856)
9.3388e-05 TDB
node 176.264798058034 0.00010294 deg
peri 2.627791794231111 0.00010592 deg
i 3.860009236635324 6.9878e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:47:24  

Additional Information
 Jupiter MOID = 2.16892 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.37143597345874E-15 -1.074048368130411E-14 -2.016664841689914E-12 1.476063715064509E-14 -6.786519394279532E-13 -4.455921368489181E-16
q -1.074048368130411E-14 2.657861774470651E-14 5.46865021278636E-12 -3.057303026215544E-14 1.802889129713306E-12 4.370917121035481E-16
tp -2.016664841689914E-12 5.46865021278636E-12 8.721370037920361E-9 3.979545213022039E-11 2.374553101875512E-9 -6.50685325327753E-12
node 1.476063715064509E-14 -3.057303026215544E-14 3.979545213022039E-11 1.059643447316884E-8 -1.056026050076963E-8 -2.088648612094818E-10
peri -6.786519394279532E-13 1.802889129713306E-12 2.374553101875512E-9 -1.056026050076963E-8 1.121845082307398E-8 2.066947745665513E-10
i -4.455921368489181E-16 4.370917121035481E-16 -6.50685325327753E-12 -2.088648612094818E-10 2.066947745665513E-10 4.882910234609084E-11

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 17.76   n/a E2021B25  

332482 (2008 EQ122)          Discovered 2008-Mar-09 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ 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
2197-Aug-17 18:51 00:06 Iris 0.0234420762846547 0.0233770055744449 0.0235072008803477 7.00390387053788 7.00390383552428 2523727.285261304 5.58278092181387 3698.28442769525 115.074357760814 28.6627925498608 14637.6487526984 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 07:47:25 2021-Apr-14 07:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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