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160021 (1995 FE7)
Classification: Main-belt Asteroid          SPK-ID: 2160021
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 .1575588070169485 4.0862e-08  
a 2.74266550504946 1.7207e-08 au
q 2.310534400027331 1.1129e-07 au
i 4.663785386544828 4.593e-06 deg
node 91.02528447863688 6.132e-05 deg
peri 174.730186413326 6.3648e-05 deg
M 130.1709352476645 1.6609e-05 deg
tp 2458400.613321482550
(2018-Oct-09.11332148)
7.5093e-05 TDB
period 1659.04319466858
4.54
1.5613e-05
4.275e-08
d
yr
n .2169925419403657 2.0421e-09 deg/d
Q 3.174796610071589 1.9919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      8985 days (24.60 yr)  
   first obs. used      1995-03-24  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5584  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:37:10  

Additional Information
 Earth MOID = 1.2947 au 
 Jupiter MOID = 1.90834 au 
 T_jup = 3.326 
[ 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 16.0   n/a MPO439948  
diameter diameter 2.875 km 0.760 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160021 (1995 FE7)          Discovered 1995-Mar-24 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ 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
1929-Nov-05 04:16 00:02 Jupiter 1.8965722875729 1.8965718833839 1.89657269176174 2.18262604810666 1.96739482733826 2425920.677839989 2.36431546561135 76.2446172314779 15.5335253569057 -85.6732863225785 2565745.47571986 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 18:37:26 2019-Nov-07 18:37
1988-Oct-15 07:11 < 00:01 Jupiter 1.9068159237865 1.90681554434406 1.90681630322894 2.27368132724216 2.0691087859502 2447449.799154692 0.749444012919272 77.8115269358735 10.5732722849919 -87.6223087718373 2549365.32166314 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 18:37:26 2019-Nov-07 18:37
2047-Sep-23 16:44 < 00:01 Jupiter 1.95267191675527 1.95267136408288 1.9526724694279 2.50915951856478 2.32987750318058 2468977.197445921 0.948739860733901 85.0132247394138 9.77176166344195 -86.0365039178055 2404228.66379208 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 18:37:26 2019-Nov-07 18:37
2084-Oct-05 20:15 00:02 Jupiter 1.96961914721432 1.96961853067423 1.96961976375485 2.30813699142505 2.11362455459643 2482504.343716737 1.95112695469352 88.177496074252 9.83704050366881 -78.4163342423735 2369655.18920246 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 18:37:26 2019-Nov-07 18:37
2143-Sep-15 14:04 00:04 Jupiter 1.92093777116051 1.92093720831537 1.92093833400597 2.21650749744147 2.00774029638779 2504032.086264809 3.56463235954504 90.630695215453 15.1647225620673 -77.9511033350773 2524347.35102481 T 14 CATAB v2.0f-lin.ifort 2019-Nov-07 18:37:26 2019-Nov-07 18:37

Alternate Designations
 1995 FE7 = 2001 TT143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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