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22240 (4039 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2022240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09978731833075721 3.1889e-08  
a 2.145646466656367 5.3572e-09 au
q 1.931538159662863 7.0054e-08 au
i 2.632633295676752 2.5371e-06 deg
node 120.0360626993972 7.714e-05 deg
peri 149.1953924417881 7.9044e-05 deg
M 5.097233073181208 1.8391e-05 deg
tp 2459184.245722604611
(2020-Nov-30.74572260)
5.863e-05 TDB
period 1147.98357821375
3.14
4.2994e-06
1.177e-08
d
yr
n .3135933360302558 1.1745e-09 deg/d
Q 2.35975477364987 5.8918e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1858  
   data-arc span      15613 days (42.75 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-07-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:46  

Additional Information
 Earth MOID = .91416 au 
 Jupiter MOID = 2.69723 au 
 T_jup = 3.702 
[ 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 15.18   n/a E2021B10  
diameter diameter 3.488 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22240 (4039 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4039 T-3 = 1998 FD12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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