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70350 (1999 RE181)
Classification: Main-belt Asteroid          SPK-ID: 2070350
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020509721420149 5.0502e-08  
a 2.440061381124598 6.8999e-09 au
q 1.947044606982186 1.243e-07 au
i 8.78235225004447 4.3149e-06 deg
node 11.29319351309435 2.6481e-05 deg
peri 127.7163609039694 2.8373e-05 deg
M 76.66622142384442 8.1814e-06 deg
tp 2458904.016101690036
(2020-Feb-24.51610169)
3.1695e-05 TDB
period 1392.193346813243
3.81
5.9052e-06
1.617e-08
d
yr
n .2585847725993281 1.0968e-09 deg/d
Q 2.933078155267011 8.294e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1509  
   data-arc span      14013 days (38.37 yr)  
   first obs. used      1982-01-30  
   last obs. used      2020-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:49:11  

Additional Information
 Earth MOID = .973198 au 
 Jupiter MOID = 2.11363 au 
 T_jup = 3.458 
[ 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 14.54   n/a E2021B10  
diameter diameter 6.857 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70350 (1999 RE181)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RE181 = 1982 BA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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