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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 
[ 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 16.5   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2070-Jun-21 14:25 00:02 Europ 0.0344192174337378 0.0344013355973754 0.034437099451042 4.52162461145413 4.52162454316113 2477284.100423920 2.2705839491996 899.898264198939 78.0397142807735 7.9945845248348 10777.644497793 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 12:59:17 2019-Jul-14 12:59
2105-Jan-13 23:05 < 00:01 David 0.021524070759088 0.0215080817938571 0.0215400923357136 7.02480762396316 7.02480752404966 2489908.461467632 0.688181416793417 1545.74894509383 54.6976265156195 58.9825748487531 50445.0081319005 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 12:59:17 2019-Jul-14 12:59

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