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312989 (1999 TV72)
Classification: Main-belt Asteroid          SPK-ID: 2312989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392993077435999 6.3027e-08  
a 3.177460526847643 4.2418e-08 au
q 2.734842475075152 2.0384e-07 au
i 6.528149463933807 7.9667e-06 deg
node 70.18765219324926 5.4675e-05 deg
peri 314.1850074316129 6.0717e-05 deg
M 322.0939619428559 2.7668e-05 deg
tp 2459614.333448356074
(2022-Feb-03.83344836)
0.00016125 TDB
period 2068.80078814797
5.66
4.1427e-05
1.134e-07
d
yr
n .1740138548198635 3.4845e-09 deg/d
Q 3.620078578620134 4.8327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      7154 days (19.59 yr)  
   first obs. used      1999-10-09  
   last obs. used      2019-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59123  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:32:09  

Additional Information
 Earth MOID = 1.74344 au 
 Jupiter MOID = 1.84214 au 
 T_jup = 3.175 
[ 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 16.2   n/a MPO434006  
diameter diameter 3.776 km 1.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312989 (1999 TV72)          Discovered 1999-Oct-09 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

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