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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601203671770283 3.9588e-08  
a 2.386216895721069 1.07e-08 au
q 2.004134970214183 9.7984e-08 au
i 1.709605722752162 3.6781e-06 deg
node 269.4877890537876 0.0001905 deg
peri 19.64990858862227 0.00019121 deg
M 290.0659506304774 1.6851e-05 deg
tp 2458862.046839554241
(2020-Jan-13.54683955)
6.298e-05 TDB
period 1346.366513713714
3.69
9.0559e-06
2.479e-08
d
yr
n .2673863293041979 1.7985e-09 deg/d
Q 2.768298821227956 1.2413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      17579 days (48.13 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:05  

Additional Information
 Earth MOID = .987254 au 
 Jupiter MOID = 2.39131 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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