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JPL Small-Body Database Browser
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109801 (2001 RE94)
Classification: Main-belt Asteroid          SPK-ID: 2109801
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1623539253012599 5.0873e-08  
a 2.920722838043226 1.8726e-08 au
q 2.446532020569873 1.5031e-07 au
i 7.640691773257218 5.8898e-06 deg
node 183.666410534245 3.3693e-05 deg
peri 161.2544122606889 3.8812e-05 deg
M 203.8640037824889 1.8058e-05 deg
tp 2459391.241413204405
(2021-Jun-25.74141320)
9.4499e-05 TDB
period 1823.198465759427
4.99
1.7534e-05
4.801e-08
d
yr
n .1974551902938593 1.899e-09 deg/d
Q 3.39491365551658 2.1766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      7327 days (20.06 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55835  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:07:58  

Additional Information
 Earth MOID = 1.44009 au 
 Jupiter MOID = 2.04528 au 
 T_jup = 3.247 
[ 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 15.4   n/a MPO432619  
diameter diameter 5.038 km 0.483 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109801 (2001 RE94)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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