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91333 (1999 JP2)
Classification: Main-belt Asteroid          SPK-ID: 2091333
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671325810911264 3.6724e-08  
a 2.33746734323996 8.6529e-09 au
q 1.946800392948048 8.6694e-08 au
i 5.215273150239382 4.5112e-06 deg
node 103.2321020087384 5.0054e-05 deg
peri 26.14047448426703 5.2245e-05 deg
M 79.26290920680559 1.4458e-05 deg
tp 2458913.101655260617
(2020-Mar-04.60165526)
5.2065e-05 TDB
period 1305.319286682128
3.57
7.2481e-06
1.984e-08
d
yr
n .2757945919232153 1.5314e-09 deg/d
Q 2.728134293531872 1.0099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      10774 days (29.50 yr)  
   first obs. used      1990-11-10  
   last obs. used      2020-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:16  

Additional Information
 Earth MOID = .963318 au 
 Jupiter MOID = 2.32629 au 
 T_jup = 3.542 
[ 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 15.79   n/a E2021B10  
diameter diameter 3.626 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91333 (1999 JP2)          Discovered 1999-May-08 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
1935-Sep-08 13:26 < 00:01 Iris 0.0267974070024176 0.0267947349908708 0.0268000817339095 6.15218616127175 6.15218612640185 2428054.059901648 0.806029462105632 474.800298986429 47.6229484110981 -74.7226388269067 81213.8046741615 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:40:18 2020-Nov-12 20:40
2161-Feb-14 03:11 < 00:01 Eunom 0.04202389008627 0.0420036978865231 0.0420440824102328 6.77720002213119 6.77719997284249 2510393.632772337 0.336746888061461 1012.93557213338 39.6963183852693 6.45446792087374 18831.0045858496 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:40:18 2020-Nov-12 20:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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