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JPL Small-Body Database Browser
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146842 (2002 AA50)
Classification: Main-belt Asteroid          SPK-ID: 2146842
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08669321732851475 1.0469e-07  
a 2.992926477844404 4.2652e-08 au
q 2.733460052252373 3.2968e-07 au
i 9.342072651607804 8.4464e-06 deg
node 289.8483530743997 5.211e-05 deg
peri 54.4376874615748 6.4015e-05 deg
M 251.7915883092858 3.4261e-05 deg
tp 2459168.961453395681
(2020-Nov-15.46145340)
0.00018141 TDB
period 1891.221948690767
5.18
4.0428e-05
1.107e-07
d
yr
n .1903531207689381 4.0691e-09 deg/d
Q 3.252392903436435 4.635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      7239 days (19.82 yr)  
   first obs. used      1999-07-14  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56279  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:29  

Additional Information
 Earth MOID = 1.73634 au 
 Jupiter MOID = 2.09263 au 
 T_jup = 3.230 
[ 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 15.4   n/a MPO348317  
diameter diameter 2.891 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146842 (2002 AA50)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
1994-Jun-09 18:38 00:02 Psych 0.0220540316078394 0.0220492772782978 0.0220587884502395 3.95804955423537 3.95804941562876 2449513.276335556 1.50637040058114 458.531555437763 77.6902244504136 -60.3118694085325 37028.4637395066 T 11 CATAB v2.0e-lin.ifort 2019-May-30 07:22:31 2019-May-30 07:22

Alternate Designations
 2002 AA50 = 1999 NY16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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