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160517 (1994 TB4)
Classification: Main-belt Asteroid          SPK-ID: 2160517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2150676757910308 4.8436e-08  
a 2.699940501729656 1.3372e-08 au
q 2.119270573248589 1.3321e-07 au
i 1.966213014826992 5.4549e-06 deg
node 189.143082636986 0.00013199 deg
peri 184.377946355749 0.00013244 deg
M 281.542061093849 1.2521e-05 deg
tp 2459353.653985450983
(2021-May-19.15398545)
5.8077e-05 TDB
period 1620.427920167893
4.44
1.2038e-05
3.296e-08
d
yr
n .2221635381120193 1.6504e-09 deg/d
Q 3.280610430210722 1.6248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8987 days (24.61 yr)  
   first obs. used      1994-10-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:21:17  

Additional Information
 Earth MOID = 1.11992 au 
 Jupiter MOID = 2.18399 au 
 T_jup = 3.333 
[ 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 16.1   n/a MPO436809  
diameter diameter 3.302 km 0.750 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.054   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

160517 (1994 TB4)          Discovered 1994-Oct-02 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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
2020-Jul-10 22:42 00:03 Iris 0.0106786321984201 0.0106764382385459 0.0106808264222415 1.97754040105391 1.97754012882636 2459041.445882049 2.7740849298562 140.062019756851 33.384395139089 40.1688951805098 32000.0545924288 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 13:21:38 2020-Feb-24 13:21

Alternate Designations
 1994 TB4 = 2003 SU201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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