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(2012 EG5)
Classification: Apollo [NEO]          SPK-ID: 3601275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5411925595254915 9.284e-06  
a 2.148729648382443 4.2551e-05 au
q .9858531502460391 4.2635e-07 au
i 3.027831157097183 2.2453e-05 deg
node 192.9085724598346 8.0578e-06 deg
peri 16.0131826210406 1.5883e-05 deg
M 271.642311461409 0.029591 deg
tp 2459482.866347841743
(2021-Sep-25.36634784)
0.10295 TDB
period 1150.458855412793
3.15
0.034174
9.356e-05
d
yr
n .3129186222577508 9.2951e-06 deg/d
Q 3.311606146518846 6.558e-05 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      21 days  
   first obs. used      2012-03-13  
   last obs. used      2012-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .30358  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:50:36  

Additional Information
 Earth MOID = .000483928 au 
 Jupiter MOID = 1.65066 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456010.5 (2012-Mar-24.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5557134191990254 8.8682e-06  
q .9871127793572235 2.2718e-07 au
tp 2456031.500193485308
(2012-Apr-14.00019349)
8.7605e-06 TDB
node 193.1752678893403 1.01e-05 deg
peri 14.41266965915477 6.2941e-05 deg
i 2.620145084736821 3.2493e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      21 days  
   first obs. used      2012-03-13  
   last obs. used      2012-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .30358  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:50:36  

Additional Information
 Jupiter MOID = 1.65066 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.864553101025621E-11 -2.00905244492522E-12 3.285856675068768E-11 -7.476877397026286E-11 5.507245778739141E-10 2.867456674328822E-10
q -2.00905244492522E-12 5.160970395581002E-14 -9.588401175045415E-13 1.910202302137097E-12 -1.422137150245365E-11 -7.326557514029446E-12
tp 3.285856675068768E-11 -9.588401175045415E-13 7.674706551440819E-11 -2.077159042994676E-11 2.971969160628896E-10 1.231905693561722E-10
node -7.476877397026286E-11 1.910202302137097E-12 -2.077159042994676E-11 1.020126014515621E-10 -5.435730842344555E-10 -2.795699210122077E-10
peri 5.507245778739141E-10 -1.422137150245365E-11 2.971969160628896E-10 -5.435730842344555E-10 3.961628039543844E-9 2.018622893608329E-9
i 2.867456674328822E-10 -7.326557514029446E-12 1.231905693561722E-10 -2.795699210122077E-10 2.018622893608329E-9 1.055823367743238E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.3   n/a MPO230288  
rotation period rot_per 0.29240 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Franco, L.; Bacci, P.; Tesi, L.; Fagioli, G.; Vergari, S. (2012) Minor Planet Bull. 39, 153.]
[Hergenrother, C.W.; Kwiatkowski, T.; Kyrszczynska, A.; Pretka-Ziomek, H.; et al. (2012) ACM 2012, #6484.]
[Hicks, M.; Teague, S.; Strojia, C. (2012) Astronomer's Telegram 4016. http://www.astronomerstelegram.org]
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]

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