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46484 (2245 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2046484
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752287235703096 3.2399e-08  
a 2.376797742047887 7.2526e-09 au
q 1.960314507524042 7.8898e-08 au
i 2.454159890435118 3.9121e-06 deg
node 186.1475715862275 7.9969e-05 deg
peri 92.6959798106199 8.0924e-05 deg
M 333.0571577905292 1.1419e-05 deg
tp 2459100.667693372196
(2020-Sep-08.16769337)
4.2428e-05 TDB
period 1338.402583277382
3.66
6.126e-06
1.677e-08
d
yr
n .2689773648810946 1.2311e-09 deg/d
Q 2.793280976571732 8.5235e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      17125 days (46.89 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:47:02  

Additional Information
 Earth MOID = .945786 au 
 Jupiter MOID = 2.33587 au 
 T_jup = 3.519 
[ 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 15.7   n/a MPO381605  
rotation period rot_per 4.37 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

46484 (2245 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2245 T-2 = 1998 KK27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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