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226822 (2004 RV285)
Classification: Main-belt Asteroid          SPK-ID: 2226822
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0630861922784097 4.7499e-08  
a 2.815003136266272 2.5679e-08 au
q 2.637415307147451 1.3768e-07 au
i 4.524678480475774 4.9013e-06 deg
node 18.24390462540908 6.339e-05 deg
peri 304.2934578139815 7.2608e-05 deg
M 187.2873983291503 3.6771e-05 deg
tp 2460028.133911066091
(2023-Mar-24.63391107)
0.00017921 TDB
period 1725.109836233103
4.72
2.3605e-05
6.463e-08
d
yr
n .2086823647044324 2.8555e-09 deg/d
Q 2.992590965385092 2.7299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8829 days (24.17 yr)  
   first obs. used      1997-01-09  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:37:22  

Additional Information
 Earth MOID = 1.62656 au 
 Jupiter MOID = 2.21352 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457077.5 (2015-Feb-24.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06461312585648578 4.7767e-08  
q 2.63148557828873 1.3856e-07 au
tp 2456567.256657778814
(2013-Oct-01.75665778)
0.00016602 TDB
node 18.29947429642884 6.3423e-05 deg
peri 302.0192744163965 7.215e-05 deg
i 4.52646865970501 4.9008e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8829 days (24.17 yr)  
   first obs. used      1997-01-09  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:37:22  

Additional Information
 Jupiter MOID = 2.21352 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.28167796870659E-15 -6.520391129035826E-15 8.462124116160946E-13 2.016282118360429E-15 1.624888950268797E-13 -1.247129882440594E-15
q -6.520391129035826E-15 1.919975393054512E-14 -2.224015866266693E-12 -5.237946284356832E-15 -3.906406421968455E-13 4.135022139525492E-15
tp 8.462124116160946E-13 -2.224015866266693E-12 2.756366380726906E-8 2.303495776143506E-11 5.738946570554776E-9 -1.764492607896689E-12
node 2.016282118360429E-15 -5.237946284356832E-15 2.303495776143506E-11 4.022423735097118E-9 -4.004693976567741E-9 -6.12765121337745E-11
peri 1.624888950268797E-13 -3.906406421968455E-13 5.738946570554776E-9 -4.004693976567741E-9 5.205577455534939E-9 6.077385407502519E-11
i -1.247129882440594E-15 4.135022139525492E-15 -1.764492607896689E-12 -6.12765121337745E-11 6.077385407502519E-11 2.401808236952766E-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 16.3   n/a MPO454629  

226822 (2004 RV285)          Discovered 2004-Sep-15 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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