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20934 (4194 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2020934
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117943310966707 3.2359e-08  
a 2.277288997978619 6.0063e-09 au
q 2.008697993528966 7.4625e-08 au
i 6.65134072597637 3.7922e-06 deg
node 160.2334181007288 2.2966e-05 deg
peri 164.4432680594042 2.7304e-05 deg
M 39.04199176109212 1.3218e-05 deg
tp 2459064.369602217747
(2020-Aug-02.86960222)
4.6228e-05 TDB
period 1255.236758961913
3.44
4.966e-06
1.36e-08
d
yr
n .2867984843733559 1.1346e-09 deg/d
Q 2.545880002428272 6.7147e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2207  
   data-arc span      18218 days (49.88 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4503  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:34:59  

Additional Information
 Earth MOID = .995867 au 
 Jupiter MOID = 2.74825 au 
 T_jup = 3.590 
[ 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 14.64   n/a E2021B10  
diameter diameter 3.110 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.200   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20934 (4194 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4194 T-1 = 1996 RR25 = 1998 BP41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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