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30729 (1980 TA)
Classification: Main-belt Asteroid          SPK-ID: 2030729
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347744132647983 8.787e-09  
a 2.271951297394652 6.8559e-09 au
q 1.96575039432209 1.8807e-08 au
i 5.592891967672026 1.1967e-06 deg
node 150.4404214489173 7.9692e-06 deg
peri 277.7308633367228 9.3187e-06 deg
M 211.6992437778528 8.2378e-06 deg
tp 2459715.773511990822
(2022-May-16.27351199)
2.9356e-05 TDB
period 1250.826152489933
3.42
5.6618e-06
1.55e-08
d
yr
n .2878097801867774 1.3027e-09 deg/d
Q 2.578152200467213 7.7799e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2148  
   data-arc span      14574 days (39.90 yr)  
   first obs. used      1980-10-11  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:39:31  

Additional Information
 Earth MOID = .988506 au 
 Jupiter MOID = 2.68876 au 
 T_jup = 3.594 
[ 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 MPCxxxxx  
diameter diameter 4.738 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.31361 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.217   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30729 (1980 TA)          Discovered 1980-Oct-11 by Harvard Observatory at Harvard
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1980 TA = 1985 AA = 1999 FU8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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