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102275 (1999 TW50)
Classification: Main-belt Asteroid          SPK-ID: 2102275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09739555548791454 5.7842e-08  
a 2.711316782487057 1.5497e-08 au
q 2.447246578353025 1.5795e-07 au
i 2.94139199072742 6.3799e-06 deg
node 189.9654214480375 7.8127e-05 deg
peri 192.8738807595162 8.1037e-05 deg
M 207.1753884108787 2.3183e-05 deg
tp 2459692.744669438160
(2022-Apr-23.24466944)
0.00010768 TDB
period 1630.680283799768
4.46
1.3981e-05
3.828e-08
d
yr
n .2207667582520453 1.8928e-09 deg/d
Q 2.975386986621089 1.7006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      7589 days (20.78 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:55:46  

Additional Information
 Earth MOID = 1.45036 au 
 Jupiter MOID = 2.46104 au 
 T_jup = 3.354 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.60   n/a E2021B55  
diameter diameter 3.334 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102275 (1999 TW50)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TW50 = 2002 GH74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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