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85081 (2153 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085081
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387151012128436 6.186e-08  
a 3.152262670238211 2.1084e-08 au
q 2.714996234886649 1.9386e-07 au
i 4.584069841514073 5.8437e-06 deg
node 357.7593371627701 5.8502e-05 deg
peri 347.4161487531143 6.1077e-05 deg
M 136.7708567174986 1.954e-05 deg
tp 2458223.854032011657
(2018-Apr-15.35403201)
0.00010856 TDB
period 2044.240675141081
5.60
2.0509e-05
5.615e-08
d
yr
n .1761045088172678 1.7668e-09 deg/d
Q 3.589529105589774 2.4008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      16938 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:26:02  

Additional Information
 Earth MOID = 1.70799 au 
 Jupiter MOID = 1.82023 au 
 T_jup = 3.187 
[ 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 14.6   n/a MPO325049  
diameter diameter 5.552 km 0.772 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85081 (2153 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ 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
1909-May-05 13:14 00:03 Jupiter 1.85419830699095 1.85419734590796 1.85419926807511 2.48528911073718 2.29413061751876 2418432.051553334 3.14236287077275 158.938332598797 23.6113674026401 -83.0143459560232 1699826.36671127 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
1919-Nov-09 13:58 00:03 Jupiter 1.80895117089339 1.80895063165833 1.80895171012825 2.37408882098095 2.16790650000927 2422272.082284003 2.87786352143646 74.4150921880954 13.0200892931195 -84.5902998996789 2277636.51729488 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
1930-Apr-28 11:08 00:03 Jupiter 1.94204900533959 1.94204815783189 1.94204985284708 3.12229041541982 2.97932872648913 2426094.963544852 2.58004650516217 53.7389916777373 20.0616547443816 -70.6181900939507 1437129.89927894 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
2004-Apr-19 11:29 < 00:01 Jupiter 1.85338770665552 1.85338707808281 1.85338833522813 2.47508035533199 2.28297974291307 2453114.978486635 0.448545447608402 81.3696302647092 19.2309043577105 87.9798281802779 1978577.86173988 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
2014-Oct-25 10:20 < 00:01 Jupiter 1.81895730976089 1.81895682556391 1.81895779395777 2.42879996874115 2.22884314184093 2456955.930512060 0.247494313506775 69.0853325056194 11.369414493458 -82.9724991733936 2401960.22238232 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
2025-Apr-15 17:18 < 00:01 Jupiter 1.96122664906445 1.9612261546045 1.9612271435244 3.19348448545235 3.05525368030718 2460781.220813963 0.39731652714385 50.3361756284377 15.8865813844486 -77.5950741153857 3143730.42166242 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
2099-Apr-06 01:13 00:02 Jupiter 1.84988241533744 1.84988174133167 1.84988308934309 2.4552109765794 2.26104018484734 2487799.550458563 2.39609820308162 138.767322675056 20.7099529259527 -86.8710583815288 1873351.39032204 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
2109-Oct-11 22:58 00:03 Jupiter 1.82238717894502 1.82238661271749 1.82238774517235 2.46608695192031 2.26980398832056 2491640.456932960 2.81299621544216 73.4267144444391 15.1427602064416 -86.1139982916128 2273736.281281 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
2120-Apr-04 06:04 00:03 Jupiter 1.97113804475997 1.97113715039585 1.97113893912409 3.24567490664418 3.11046310747094 2495467.752908054 3.20104917590243 59.3578060465219 21.8902057382499 -68.4784456618729 1511636.5265064 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26
2194-Mar-23 01:42 00:05 Jupiter 1.85450754819881 1.85450659693837 1.85450849946515 2.45144718713716 2.25745852362354 2522483.570587025 5.15777688789761 263.952045324342 22.0294966668754 -84.0010243694768 1830817.44508084 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 20:26:20 2020-Feb-23 20:26

Alternate Designations
 2153 T-2 = 2001 RA48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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