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385521 (2004 JR10)
Classification: Main-belt Asteroid          SPK-ID: 2385521
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707858407961836 4.8525e-08  
a 2.323723307065854 1.7693e-08 au
q 1.926864268290924 1.1494e-07 au
i 9.783109138891524 6.9108e-06 deg
node 169.370269336613 2.8318e-05 deg
peri 64.25900158948311 3.5365e-05 deg
M 298.1489825177622 2.1745e-05 deg
tp 2459618.789728554014
(2022-Feb-08.28972855)
7.9437e-05 TDB
period 1293.823538188781
3.54
1.4777e-05
4.046e-08
d
yr
n .2782450538069223 3.1779e-09 deg/d
Q 2.720582345840785 2.0715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-06-09  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:40  

Additional Information
 Earth MOID = .940944 au 
 Jupiter MOID = 2.30631 au 
 T_jup = 3.537 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457535.5 (2016-May-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710064409457029 4.8517e-08  
q 1.92619902160236 1.1491e-07 au
tp 2457032.012522904794
(2015-Jan-09.51252290)
6.8915e-05 TDB
node 169.4096573879871 2.831e-05 deg
peri 64.32138122755343 3.5357e-05 deg
i 9.784698375362712 6.9124e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-06-09  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:40  

Additional Information
 Jupiter MOID = 2.30631 au 
 T_jup = 3.537 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.353939475462285E-15 -5.52995038449844E-15 -1.20571498877765E-12 1.504599527628165E-14 -4.300896809161687E-13 2.692552220411551E-15
q -5.52995038449844E-15 1.320349937986252E-14 2.96923452063994E-12 -3.772327425797888E-14 1.073004167363881E-12 -5.631010949040261E-15
tp -1.20571498877765E-12 2.96923452063994E-12 4.74928774815196E-9 -4.159719342121934E-11 1.469383805460371E-9 -1.017319380090888E-11
node 1.504599527628165E-14 -3.772327425797888E-14 -4.159719342121934E-11 8.014752072511851E-10 -8.014139802005344E-10 1.575996546967468E-11
peri -4.300896809161687E-13 1.073004167363881E-12 1.469383805460371E-9 -8.014139802005344E-10 1.250105503903846E-9 -1.837609882828986E-11
i 2.692552220411551E-15 -5.631010949040261E-15 -1.017319380090888E-11 1.575996546967468E-11 -1.837609882828986E-11 4.778109909428779E-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 17.56   n/a MPCxxxxx  

385521 (2004 JR10)          Discovered 1997-May-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

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