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70256 (1999 RX88)
Classification: Main-belt Asteroid          SPK-ID: 2070256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717120610748433 3.0755e-08  
a 2.380947036901222 7.4269e-09 au
q 1.972109713884872 7.2058e-08 au
i 1.486546398985529 3.4925e-06 deg
node 283.8321305806332 0.0001284 deg
peri 161.8019531961941 0.00012886 deg
M 217.6580528519775 1.0697e-05 deg
tp 2459731.083121893919
(2022-May-31.58312189)
4.096e-05 TDB
period 1341.908887077244
3.67
6.2787e-06
1.719e-08
d
yr
n .2682745478972877 1.2552e-09 deg/d
Q 2.789784359917571 8.7022e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1414  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:27  

Additional Information
 Earth MOID = .988086 au 
 Jupiter MOID = 2.42046 au 
 T_jup = 3.518 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.33   n/a E2021B10  
diameter diameter 2.385 km 0.621 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70256 (1999 RX88)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RX88 = 1997 AK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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