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91670 (1999 TM112)
Classification: Main-belt Asteroid          SPK-ID: 2091670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .186501892484231 4.019e-08  
a 2.794919492107243 1.3897e-08 au
q 2.273661717488176 1.1227e-07 au
i 3.331002020113084 5.1495e-06 deg
node 235.060413037468 8.5186e-05 deg
peri 199.104187720146 8.7089e-05 deg
M 101.8568733205784 1.6426e-05 deg
tp 2458517.618885487173
(2019-Feb-03.11888549)
7.7009e-05 TDB
period 1706.681106119295
4.67
1.2729e-05
3.485e-08
d
yr
n .2109357153537483 1.5732e-09 deg/d
Q 3.316177266726309 1.6488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      8384 days (22.95 yr)  
   first obs. used      1997-05-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:42:44  

Additional Information
 Earth MOID = 1.28892 au 
 Jupiter MOID = 1.96541 au 
 T_jup = 3.299 
[ 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 15.4   n/a MPO468903  
diameter diameter 5.763 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91670 (1999 TM112)          Discovered 1999-Oct-04 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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