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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078791017917044 7.4746e-08  
a 2.303441157395062 1.75e-08 au
q 2.054947994305238 1.7104e-07 au
i 6.511480945464898 7.1373e-06 deg
node 62.5052923051274 7.431e-05 deg
peri 140.8038336287406 8.3314e-05 deg
M 270.4105557987216 3.8893e-05 deg
tp 2459518.274066853564
(2021-Oct-30.77406685)
0.00013983 TDB
period 1276.921238737306
3.50
1.4552e-05
3.984e-08
d
yr
n .2819281166910411 3.2129e-09 deg/d
Q 2.551934320484885 1.9388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6152 days (16.84 yr)  
   first obs. used      2004-03-14  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:55:46  

Additional Information
 Earth MOID = 1.05405 au 
 Jupiter MOID = 2.41159 au 
 T_jup = 3.573 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457224.5 (2015-Jul-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076679125256895 7.4848e-08  
q 2.055304269535096 1.7116e-07 au
tp 2456965.536138662270
(2014-Nov-04.03613866)
0.00012722 TDB
node 62.51891812871256 7.4308e-05 deg
peri 141.0253914327746 8.3329e-05 deg
i 6.511986463170616 7.1383e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6152 days (16.84 yr)  
   first obs. used      2004-03-14  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:55:46  

Additional Information
 Jupiter MOID = 2.41159 au 
 T_jup = 3.573 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.602195259286402E-15 -1.275812804641304E-14 -2.026999823192778E-12 -1.026306064201529E-13 -4.900998345588946E-13 -7.395897242472521E-15
q -1.275812804641304E-14 2.929489929428037E-14 5.354302217260166E-12 2.339628370100909E-13 1.343026147042803E-12 1.780968303456917E-14
tp -2.026999823192778E-12 5.354302217260166E-12 1.618445290744923E-8 1.138744087535691E-11 4.864937984403879E-9 6.53301832876297E-12
node -1.026306064201529E-13 2.339628370100909E-13 1.138744087535691E-11 5.52167870349776E-9 -5.483626130807179E-9 -1.249327766406687E-10
peri -4.900998345588946E-13 1.343026147042803E-12 4.864937984403879E-9 -5.483626130807179E-9 6.94368263071113E-9 1.261647264448533E-10
i -7.395897242472521E-15 1.780968303456917E-14 6.53301832876297E-12 -1.249327766406687E-10 1.261647264448533E-10 5.095532214640264E-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 17.76   n/a MPCxxxxx  

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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