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135889 (2002 TN61)
Classification: Main-belt Asteroid          SPK-ID: 2135889
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206904231921044 3.5935e-08  
a 2.740277682825801 1.7512e-08 au
q 2.135524641339095 9.7758e-08 au
i 8.302501726725808 4.0355e-06 deg
node 268.0396640674942 3.7286e-05 deg
peri 340.4204755114248 3.9337e-05 deg
M 102.4300153704707 1.2927e-05 deg
tp 2458729.072378621159
(2019-Sep-02.57237862)
5.8125e-05 TDB
period 1656.877069505051
4.54
1.5883e-05
4.349e-08
d
yr
n .2172762280472266 2.0828e-09 deg/d
Q 3.345030724312505 2.1377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      7639 days (20.91 yr)  
   first obs. used      2000-01-07  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:15:02  

Additional Information
 Earth MOID = 1.12192 au 
 Jupiter MOID = 1.72408 au 
 T_jup = 3.300 
[ 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 15.40   n/a E2021B55  
diameter diameter 3.855 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.79688 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 0.105   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135889 (2002 TN61)          Discovered 2002-Oct-03 by CINEOS at Campo Imperatore
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2002 TN61 = 2001 KK68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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