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26115 (1991 RG17)
Classification: Main-belt Asteroid          SPK-ID: 2026115
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 .1172687087633189 3.5554e-08  
a 2.335202564913482 7.2685e-09 au
q 2.061356375425288 8.2376e-08 au
i 3.4124571215011 3.8239e-06 deg
node 127.6338060319477 5.928e-05 deg
peri 234.0237058632996 6.1207e-05 deg
M 69.99758561997406 1.6195e-05 deg
tp 2458947.065447465372
(2020-Apr-07.56544747)
5.8386e-05 TDB
period 1303.422655287008
3.57
6.0855e-06
1.666e-08
d
yr
n .2761959050962864 1.2895e-09 deg/d
Q 2.609048754401677 8.1208e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1794  
   data-arc span      10721 days (29.35 yr)  
   first obs. used      1991-09-13  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52207  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:17:44  

Additional Information
 Earth MOID = 1.05864 au 
 Jupiter MOID = 2.82512 au 
 T_jup = 3.556 
[ 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 14.56   n/a E2020-QM5  
diameter diameter 3.846 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26115 (1991 RG17)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RG17 = 1998 QT35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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