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JPL Small-Body Database Browser
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91815 (1999 TO265)
Classification: Main-belt Asteroid          SPK-ID: 2091815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04383758837665583 3.8431e-08  
a 2.853828855927196 2.0967e-08 au
q 2.728723881243637 1.1187e-07 au
i 15.93139842343055 5.1023e-06 deg
node 243.4455012469889 1.4516e-05 deg
peri 229.5182657246009 5.819e-05 deg
M 355.2243341501296 5.5706e-05 deg
tp 2459023.859941206289
(2020-Jun-23.35994121)
0.00027248 TDB
period 1760.922790377405
4.82
1.9406e-05
5.313e-08
d
yr
n .2044382649638171 2.253e-09 deg/d
Q 2.978933830610754 2.1886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      1999-07-22  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:41  

Additional Information
 Earth MOID = 1.76583 au 
 Jupiter MOID = 2.22194 au 
 T_jup = 3.246 
[ 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 14.5   n/a MPO325095  
diameter diameter 7.429 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91815 (1999 TO265)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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