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85075 (1444 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085075
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014667913814573 3.8842e-08  
a 3.085992106294708 2.2794e-08 au
q 2.772866389040479 1.2719e-07 au
i 15.84872814456222 5.479e-06 deg
node 191.6665869876387 1.4917e-05 deg
peri 76.11731160597785 3.021e-05 deg
M 305.229273536006 2.6559e-05 deg
tp 2459301.756650902434
(2021-Mar-28.25665090)
0.00014662 TDB
period 1980.116046044639
5.42
2.1938e-05
6.006e-08
d
yr
n .1818075262402496 2.0143e-09 deg/d
Q 3.399117823548937 2.5106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      17018 days (46.59 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:33:21  

Additional Information
 Earth MOID = 1.81166 au 
 Jupiter MOID = 1.75185 au 
 T_jup = 3.160 
[ 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 14.4   n/a MPO436371  

85075 (1444 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

[ show close-approach data ]
Alternate Designations
 1444 T-2 = 2000 RM21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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