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152814 (1999 TW260)
Classification: Main-belt Asteroid          SPK-ID: 2152814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136709992943572 4.5579e-08  
a 2.95656519278399 2.0159e-08 au
q 2.62048947284132 1.3831e-07 au
i 3.41012748064261 5.5093e-06 deg
node 214.5396613954106 7.8318e-05 deg
peri 102.3013270133801 8.2011e-05 deg
M 118.439635094407 2.3227e-05 deg
tp 2458589.594301327966
(2019-Apr-16.09430133)
0.00011953 TDB
period 1856.861947832173
5.08
1.8992e-05
5.2e-08
d
yr
n .1938754792300464 1.9829e-09 deg/d
Q 3.29264091272666 2.2451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      9604 days (26.29 yr)  
   first obs. used      1994-10-26  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:47  

Additional Information
 Earth MOID = 1.60785 au 
 Jupiter MOID = 1.97934 au 
 T_jup = 3.255 
[ 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 15.3   n/a MPO449824  

152814 (1999 TW260)          Discovered 1999-Oct-12 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 1999 TW260 = 1994 UF4 = 1999 UX60 = 1999 VC214 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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