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46995 (1998 TO28)
Classification: Main-belt Asteroid          SPK-ID: 2046995
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2430704986305892 5.0436e-08  
a 2.553907587072108 9.8974e-09 au
q 1.933127996426045 1.3188e-07 au
i 10.34939456741692 4.6021e-06 deg
node 27.89688733395211 2.4089e-05 deg
peri 277.9771990745077 2.57e-05 deg
M 215.7083241940279 8.4778e-06 deg
tp 2459798.009714953381
(2022-Aug-06.50971495)
3.5332e-05 TDB
period 1490.75472428822
4.08
8.6659e-06
2.373e-08
d
yr
n .2414884180037642 1.4038e-09 deg/d
Q 3.17468717771817 1.2303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1787  
   data-arc span      10191 days (27.90 yr)  
   first obs. used      1993-04-26  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:41:17  

Additional Information
 Earth MOID = .949816 au 
 Jupiter MOID = 2.20473 au 
 T_jup = 3.374 
[ 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 14.74   n/a MPCxxxxx  
diameter diameter 2.954 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46995 (1998 TO28)          Discovered 1998-Oct-15 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TO28 = 2001 FT71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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