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JPL Small-Body Database Browser
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295704 (2008 TZ189)
Classification: Main-belt Asteroid          SPK-ID: 2295704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787873899219057 6.1604e-08  
a 2.663785928509162 2.8081e-08 au
q 2.187534595040309 1.7477e-07 au
i 3.995067769531103 6.6798e-06 deg
node 315.2894480621093 7.957e-05 deg
peri 58.58792927119521 8.1921e-05 deg
M 186.021172834428 2.0426e-05 deg
tp 2459367.934476262659
(2021-Jun-02.43447626)
9.8487e-05 TDB
period 1587.98869928943
4.35
2.511e-05
6.875e-08
d
yr
n .2267018651713879 3.5847e-09 deg/d
Q 3.140037261978015 3.3101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      1999-10-11  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59028  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:59:15  

Additional Information
 Earth MOID = 1.19043 au 
 Jupiter MOID = 2.34409 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457125.5 (2015-Apr-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789169829973707 6.1457e-08  
q 2.187072424651803 1.7427e-07 au
tp 2457781.079589668245
(2017-Jan-27.57958967)
8.2355e-05 TDB
node 315.3037974173087 7.9572e-05 deg
peri 58.87110918014333 8.1932e-05 deg
i 3.995099009039297 6.6799e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      1999-10-11  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59028  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:59:15  

Additional Information
 Jupiter MOID = 2.34409 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.777007393703097E-15 -1.063170419957116E-14 -2.394488956938753E-12 2.888910981369894E-14 -5.436802372783908E-13 -3.903605451309903E-15
q -1.063170419957116E-14 3.037081257576433E-14 7.424590238174525E-12 -8.653947615079672E-14 1.647743756168493E-12 1.152063574208836E-14
tp -2.394488956938753E-12 7.424590238174525E-12 6.782330815248159E-9 -5.20293090826695E-11 1.62584450374408E-9 2.065905504371889E-12
node 2.888910981369894E-14 -8.653947615079672E-14 -5.20293090826695E-11 6.331779027345234E-9 -6.327149672137867E-9 1.515256328626072E-10
peri -5.436802372783908E-13 1.647743756168493E-12 1.62584450374408E-9 -6.327149672137867E-9 6.712862014606991E-9 -1.508112703689899E-10
i -3.903605451309903E-15 1.152063574208836E-14 2.065905504371889E-12 1.515256328626072E-10 -1.508112703689899E-10 4.462171610243511E-11

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 16.5   n/a MPO437321  
rotation period rot_per 5.27 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

295704 (2008 TZ189)          Discovered 2008-Oct-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 TZ189 = 1999 TX182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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