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101115 (1998 RX51)
Classification: Main-belt Asteroid          SPK-ID: 2101115
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0694761900787387 3.1957e-08  
a 2.671873137334403 1.2695e-08 au
q 2.486241571378682 8.5105e-08 au
i 14.12477466635565 4.4029e-06 deg
node 187.5411007560914 1.5039e-05 deg
peri 110.9905716420997 3.6682e-05 deg
M 85.47707993596383 3.2535e-05 deg
tp 2458821.735424717020
(2019-Dec-04.23542472)
0.00014414 TDB
period 1595.225845384807
4.37
1.137e-05
3.113e-08
d
yr
n .2256733747397123 1.6084e-09 deg/d
Q 2.857504703290124 1.3577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      8220 days (22.51 yr)  
   first obs. used      1998-07-04  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56793  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:16  

Additional Information
 Earth MOID = 1.5094 au 
 Jupiter MOID = 2.31317 au 
 T_jup = 3.334 
[ 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 15.40   n/a E2021B55  
diameter diameter 2.379 km 0.622 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.237   0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101115 (1998 RX51)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RX51 = 2001 FS149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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