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233782 (2008 TP172)
Classification: Main-belt Asteroid          SPK-ID: 2233782
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189420262740446 1.4409e-07  
a 2.563417772777483 2.2821e-08 au
q 2.258519668696431 3.7325e-07 au
i 12.52157518707556 6.5672e-06 deg
node 241.8180618054778 3.7916e-05 deg
peri 301.3360066319618 5.0905e-05 deg
M 155.6829680064229 4.0853e-05 deg
tp 2458352.214787675137
(2018-Aug-21.71478768)
0.00016526 TDB
period 1499.089331514557
4.10
2.0019e-05
5.481e-08
d
yr
n .2401457954718986 3.2069e-09 deg/d
Q 2.868315876858536 2.5535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1998-03-31  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:04:47  

Additional Information
 Earth MOID = 1.28502 au 
 Jupiter MOID = 2.19511 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457838.5 (2017-Mar-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177122796924532 1.4432e-07  
q 2.262700935462115 3.7327e-07 au
tp 2458352.350346546726
(2018-Aug-21.85034655)
0.00016632 TDB
node 241.8411500332696 3.7883e-05 deg
peri 301.4762954191972 5.1003e-05 deg
i 12.52434143805227 6.5736e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1998-03-31  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:04:47  

Additional Information
 Jupiter MOID = 2.19511 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.082738322038767E-14 -5.37934487241948E-14 -1.529768460025906E-11 5.730929909050227E-13 -3.125335189411736E-12 -4.933702785447157E-14
q -5.37934487241948E-14 1.39331480362625E-13 4.096313724391545E-11 -1.48926296625352E-12 8.359024417791826E-12 1.307761794826061E-13
tp -1.529768460025906E-11 4.096313724391545E-11 2.76620592822578E-8 -5.089426256206063E-10 5.823194706779313E-9 6.612797098662252E-11
node 5.730929909050227E-13 -1.48926296625352E-12 -5.089426256206063E-10 1.435156286096344E-9 -1.490405421368769E-9 -1.32297498377204E-10
peri -3.125335189411736E-12 8.359024417791826E-12 5.823194706779313E-9 -1.490405421368769E-9 2.601316866650446E-9 1.41431235739372E-10
i -4.933702785447157E-14 1.307761794826061E-13 6.612797098662252E-11 -1.32297498377204E-10 1.41431235739372E-10 4.321286608813704E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO437098  
diameter diameter 1.796 km 0.458 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233782 (2008 TP172)          Discovered 2008-Oct-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2008 TP172 = 2002 JM100 = 2006 DM204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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