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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411477307354502 6.2806e-08  
a 3.175207662857832 3.9457e-08 au
q 2.727034306631636 2.0414e-07 au
i 6.542486165089835 7.9847e-06 deg
node 70.33508529895309 5.4465e-05 deg
peri 314.5998631902769 6.0424e-05 deg
M 252.8120345476022 2.6946e-05 deg
tp 2459615.818757923848
(2022-Feb-05.31875792)
0.00016024 TDB
period 2066.600965114502
5.66
3.8521e-05
1.055e-07
d
yr
n .1741990863630772 3.247e-09 deg/d
Q 3.623381019084028 4.5026e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:49:24  

Additional Information
 Earth MOID = 1.73647 au 
 Jupiter MOID = 1.83556 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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