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85059 (1211 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2085059
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1600146866472278 3.9152e-08  
a 2.386298495043922 1.0593e-08 au
q 2.004455689112718 9.6983e-08 au
i 1.709654415062583 3.6251e-06 deg
node 269.4810679929585 0.00018872 deg
peri 19.45241823710022 0.00018943 deg
M 37.1655510991062 1.6777e-05 deg
tp 2458861.497166206147
(2020-Jan-12.99716621)
6.2743e-05 TDB
period 1346.435575039556
3.69
8.9654e-06
2.455e-08
d
yr
n .2673726145340624 1.7803e-09 deg/d
Q 2.768141300975127 1.2288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      17632 days (48.27 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:25:34  

Additional Information
 Earth MOID = .988218 au 
 Jupiter MOID = 2.39178 au 
 T_jup = 3.517 
[ 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 15.8   n/a MPO432394  
diameter diameter 4.128 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85059 (1211 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1211 T-1 = 1979 OV1 = 1998 TD16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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