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22247 (4611 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2022247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060950198683045 4.3968e-08  
a 3.124728689835192 2.4938e-08 au
q 2.793210537404066 1.4544e-07 au
i 11.39382013784518 4.4563e-06 deg
node 44.56763057264547 2.1679e-05 deg
peri 354.9027265244392 3.1825e-05 deg
M 289.4029873226668 2.6228e-05 deg
tp 2459596.140482372692
(2022-Jan-16.64048237)
0.00014999 TDB
period 2017.515589578191
5.52
2.4152e-05
6.612e-08
d
yr
n .1784372828936933 2.1361e-09 deg/d
Q 3.456246842266318 2.7584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      15682 days (42.93 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53167  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:49  

Additional Information
 Earth MOID = 1.80053 au 
 Jupiter MOID = 1.96246 au 
 T_jup = 3.176 
[ 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 14.31   n/a E2021B10  
diameter diameter 8.248 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22247 (4611 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4611 T-3 = 1999 TX97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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