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88699 (2001 RW142)
Classification: Main-belt Asteroid          SPK-ID: 2088699
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2061955581196769 3.6314e-08  
a 2.27372301404853 6.8287e-09 au
q 1.80489142815724 8.2414e-08 au
i 7.184475173568273 3.4913e-06 deg
node 119.2506490048102 3.2537e-05 deg
peri 239.8453235547384 3.3633e-05 deg
M 183.3940228713503 8.2935e-06 deg
tp 2459614.838397435561
(2022-Feb-04.33839744)
2.9685e-05 TDB
period 1252.289569540985
3.43
5.6415e-06
1.545e-08
d
yr
n .2874734476403525 1.2951e-09 deg/d
Q 2.742554599939821 8.2367e-09 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      7762 days (21.25 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:49:27  

Additional Information
 Earth MOID = .81317 au 
 Jupiter MOID = 2.72059 au 
 T_jup = 3.572 
[ 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 15.9   n/a MPO468867  
diameter diameter 2.616 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

88699 (2001 RW142)          Discovered 2001-Sep-14 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2001 RW142 = 1999 AK33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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