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382853 (2004 ER88)
Classification: Main-belt Asteroid          SPK-ID: 2382853
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080286361459881 8.1603e-08  
a 2.303053562873583 1.8309e-08 au
q 2.054257827505191 1.85e-07 au
i 6.512149314440916 7.3871e-06 deg
node 62.50655804404981 7.7494e-05 deg
peri 140.86303285 8.6106e-05 deg
M 213.9642888231063 3.8537e-05 deg
tp 2459518.358434350360
(2021-Oct-30.85843435)
0.00013965 TDB
period 1276.598955582222
3.50
1.5223e-05
4.168e-08
d
yr
n .2819992907136711 3.3628e-09 deg/d
Q 2.551849298241974 2.0287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      5672 days (15.53 yr)  
   first obs. used      2004-03-14  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:39:11  

Additional Information
 Earth MOID = 1.05425 au 
 Jupiter MOID = 2.41281 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457134.5 (2015-Apr-22.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076410131662449 8.1722e-08  
q 2.05520051547194 1.8514e-07 au
tp 2456965.428303533842
(2014-Nov-03.92830353)
0.00012772 TDB
node 62.5199763865646 7.7498e-05 deg
peri 140.98630463115 8.6152e-05 deg
i 6.512183037774184 7.3878e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      5672 days (15.53 yr)  
   first obs. used      2004-03-14  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:39:11  

Additional Information
 Jupiter MOID = 2.41281 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.678489072611236E-15 -1.507412511731583E-14 -2.393825970175107E-12 -1.24899633581942E-13 -6.144284862575196E-13 -8.058209018982431E-15
q -1.507412511731583E-14 3.427830242327965E-14 6.1431625515902E-12 2.838920075341533E-13 1.608471788952167E-12 1.907401018874502E-14
tp -2.393825970175107E-12 6.1431625515902E-12 1.631230099080308E-8 4.289853408885365E-11 4.884908767636371E-9 4.677990680503701E-12
node -1.24899633581942E-13 2.838920075341533E-13 4.289853408885365E-11 6.005886154651303E-9 -5.954678866437034E-9 -1.667596448528641E-10
peri -6.144284862575196E-13 1.608471788952167E-12 4.884908767636371E-9 -5.954678866437034E-9 7.422220049150467E-9 1.672038253745606E-10
i -8.058209018982431E-15 1.907401018874502E-14 4.677990680503701E-12 -1.667596448528641E-10 1.672038253745606E-10 5.457901116042447E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO440657  

382853 (2004 ER88)          Discovered 2004-Mar-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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