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70258 (1999 RL89)
Classification: Main-belt Asteroid          SPK-ID: 2070258
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155535809852907 3.6978e-08  
a 2.44038105210899 9.6126e-09 au
q 2.158386282569145 9.1538e-08 au
i 2.537950071159317 3.9549e-06 deg
node 3.798618913099748 8.5386e-05 deg
peri 180.3754001525797 8.7128e-05 deg
M 21.22300021121839 1.8959e-05 deg
tp 2459118.410205023636
(2020-Sep-25.91020502)
7.3201e-05 TDB
period 1392.46694140209
3.81
8.2273e-06
2.253e-08
d
yr
n .2585339653647448 1.5275e-09 deg/d
Q 2.722375821648835 1.0723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      17926 days (49.08 yr)  
   first obs. used      1971-04-16  
   last obs. used      2020-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:31  

Additional Information
 Earth MOID = 1.15975 au 
 Jupiter MOID = 2.23477 au 
 T_jup = 3.491 
[ 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 14.88   n/a E2021B10  
diameter diameter 2.581 km 0.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.350   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70258 (1999 RL89)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RL89 = 1995 SV31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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