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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724603231565215 3.0943e-08  
a 2.379570446472848 7.4397e-09 au
q 1.969188958300432 7.2611e-08 au
i 1.487412777877135 3.5229e-06 deg
node 283.8303383065962 0.00013358 deg
peri 161.7512844719704 0.0001341 deg
M 164.0692166563954 1.1015e-05 deg
tp 2458389.458256236415
(2018-Sep-27.95825624)
4.0164e-05 TDB
period 1340.745279570493
3.67
6.2877e-06
1.721e-08
d
yr
n .2685073783107599 1.2592e-09 deg/d
Q 2.789951934645263 8.7228e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1385  
   data-arc span      8168 days (22.36 yr)  
   first obs. used      1997-01-02  
   last obs. used      2019-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:07:14  

Additional Information
 Earth MOID = .985493 au 
 Jupiter MOID = 2.42077 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 15.3   n/a MPO333402  
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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