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78572 (2002 RT212)
Classification: Main-belt Asteroid          SPK-ID: 2078572
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176835124713624 4.0971e-08  
a 2.791446421132979 1.6538e-08 au
q 2.462939201418436 1.1597e-07 au
i 10.07689350850775 4.6137e-06 deg
node 88.23503482129182 2.4405e-05 deg
peri 3.026523644240549 3.1636e-05 deg
M 219.0667441913743 2.2481e-05 deg
tp 2459667.388695615059
(2022-Mar-28.88869561)
0.00010947 TDB
period 1703.500916401359
4.66
1.5139e-05
4.145e-08
d
yr
n .2113295018123612 1.8781e-09 deg/d
Q 3.119953640847522 1.8485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      7913 days (21.66 yr)  
   first obs. used      1999-01-16  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:21  

Additional Information
 Earth MOID = 1.47959 au 
 Jupiter MOID = 2.0762 au 
 T_jup = 3.296 
[ show covariance matrix ]

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 15.1   n/a MPO436331  

78572 (2002 RT212)          Discovered 2002-Sep-15 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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