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243265 (2007 YR61)
Classification: Main-belt Asteroid          SPK-ID: 2243265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03380831158272991 4.492e-08  
a 2.723948324312073 2.3643e-08 au
q 2.631856230628476 1.2599e-07 au
i 5.319804843484268 5.3263e-06 deg
node 146.9447926116375 5.3024e-05 deg
peri 161.0196930627174 9.7731e-05 deg
M 91.97396178428511 8.1736e-05 deg
tp 2458580.973772470047
(2019-Apr-07.47377247)
0.00037375 TDB
period 1642.089119364088
4.50
2.1379e-05
5.853e-08
d
yr
n .2192329245439571 2.8543e-09 deg/d
Q 2.816040417995671 2.4442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6580 days (18.02 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:14:17  

Additional Information
 Earth MOID = 1.61789 au 
 Jupiter MOID = 2.26743 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457182.5 (2015-Jun-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03572201699659671 4.5117e-08  
q 2.626974822917904 1.2702e-07 au
tp 2456942.425178939646
(2014-Oct-11.92517894)
0.00035761 TDB
node 147.0440564030203 5.2991e-05 deg
peri 161.8128718618436 9.3965e-05 deg
i 5.321332082305593 5.3298e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6580 days (18.02 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:14:17  

Additional Information
 Jupiter MOID = 2.26743 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.035503724596782E-15 -5.637170768792849E-15 4.471960682152368E-12 8.592769460001156E-15 9.369726782027512E-13 3.066130507387817E-16
q -5.637170768792849E-15 1.613450820798161E-14 -1.411759928821569E-11 -2.342534680483553E-14 -2.958356886812356E-12 8.042910188475097E-17
tp 4.471960682152368E-12 -1.411759928821569E-11 1.278876091100119E-7 2.088577223669657E-11 2.777513903156668E-8 -3.837115661945899E-12
node 8.592769460001156E-15 -2.342534680483553E-14 2.088577223669657E-11 2.808011620539804E-9 -2.791194878447408E-9 5.616493272366918E-11
peri 9.369726782027512E-13 -2.958356886812356E-12 2.777513903156668E-8 -2.791194878447408E-9 8.829474404438606E-9 -5.676058931183465E-11
i 3.066130507387817E-16 8.042910188475097E-17 -3.837115661945899E-12 5.616493272366918E-11 -5.676058931183465E-11 2.840686765201755E-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 16.2   n/a MPO450091  
diameter diameter 2.852 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243265 (2007 YR61)          Discovered 2007-Dec-20 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2007 YR61 = 2001 SP189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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