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85074 (1288 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01489929841172459 4.6481e-08  
a 2.783290894065595 1.6445e-08 au
q 2.741821812468276 1.2343e-07 au
i 1.721889212376187 3.8221e-06 deg
node 78.65222840266649 0.00016104 deg
peri 132.5172099825942 0.00021642 deg
M 167.9930214439603 0.00014532 deg
tp 2458209.047117034346
(2018-Mar-31.54711703)
0.00068517 TDB
period 1696.040915382197
4.64
1.5032e-05
4.116e-08
d
yr
n .2122590302716106 1.8812e-09 deg/d
Q 2.824759975662915 1.669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      16844 days (46.12 yr)  
   first obs. used      1973-09-20  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:14:28  

Additional Information
 Earth MOID = 1.73406 au 
 Jupiter MOID = 2.13185 au 
 T_jup = 3.331 
[ 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 15.2   n/a MPO432395  
diameter diameter 4.588 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85074 (1288 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1288 T-2 = 2001 SO34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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