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102478 (1999 TN248)
Classification: Main-belt Asteroid          SPK-ID: 2102478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2889769899688977 4.9045e-08  
a 2.612848799287675 7.8225e-09 au
q 1.857795618025675 1.2855e-07 au
i 4.482145613194402 3.9123e-06 deg
node 153.8650398246443 6.3177e-05 deg
peri 237.7623416598143 6.3534e-05 deg
M 10.6540852400541 5.0585e-06 deg
tp 2459154.845508372758
(2020-Nov-01.34550837)
2.1699e-05 TDB
period 1542.658671813247
4.22
6.9278e-06
1.897e-08
d
yr
n .2333633528775712 1.048e-09 deg/d
Q 3.367901980549676 1.0083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      7766 days (21.26 yr)  
   first obs. used      1999-10-08  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43638  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:33  

Additional Information
 Earth MOID = .866866 au 
 Jupiter MOID = 2.08753 au 
 T_jup = 3.344 
[ 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 16.36   n/a E2021B55  

102478 (1999 TN248)          Discovered 1999-Oct-08 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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