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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172687125218156 3.5273e-08  
a 2.335202564387108 7.2159e-09 au
q 2.061356366183789 8.1702e-08 au
i 3.412457055173681 3.8113e-06 deg
node 127.6338045948942 5.888e-05 deg
peri 234.0237073261112 6.0819e-05 deg
M 69.99758585390589 1.6171e-05 deg
tp 2458947.065446704083
(2020-Apr-07.56544670)
5.8306e-05 TDB
period 1303.422654846304
3.57
6.0415e-06
1.654e-08
d
yr
n .2761959051896718 1.2802e-09 deg/d
Q 2.609048762590426 8.0621e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1832  
   data-arc span      10757 days (29.45 yr)  
   first obs. used      1991-09-13  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:12:28  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2053-Nov-06 05:28 00:01 Amphi 0.0492525684427432 0.049247799625032 0.0492573372922626 2.89645004254476 2.89645000224726 2471212.727936631 1.40205635925526 245.677275666611 20.5130627354519 14.8112880993318 96193.0424047511 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 05:12:39 2021-Apr-13 05:12

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