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JPL Small-Body Database Browser
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85090 (4028 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085090
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223126367676216 4.3208e-08  
a 2.345309607651237 9.7952e-09 au
q 2.058448605502978 9.9443e-08 au
i 3.361429711445066 4.3174e-06 deg
node 77.91577542049451 7.7918e-05 deg
peri 52.7780974119115 8.0073e-05 deg
M 135.1173978977211 1.7409e-05 deg
tp 2458108.111985397456
(2017-Dec-20.61198540)
6.3196e-05 TDB
period 1311.893864260878
3.59
8.2187e-06
2.25e-08
d
yr
n .2744124428105503 1.7191e-09 deg/d
Q 2.632170609799497 1.0993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      16812 days (46.03 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:08:40  

Additional Information
 Earth MOID = 1.07567 au 
 Jupiter MOID = 2.40715 au 
 T_jup = 3.549 
[ 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 MPO439613  
diameter diameter 4.052 km 1.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.056   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

85090 (4028 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
 4028 T-2 = 2000 DQ82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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