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13072 (1991 RS8)
Classification: Main-belt Asteroid          SPK-ID: 2013072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058366034810764 2.5389e-08  
a 2.337549428590095 6.6377e-09 au
q 2.090151136598988 5.9433e-08 au
i 8.285380901573623 5.4731e-07 deg
node 352.2399928207119 9.0266e-06 deg
peri 56.16975809117545 1.315e-05 deg
M 29.02547041543115 1.1408e-05 deg
tp 2459095.251383023524
(2020-Sep-02.75138302)
4.1222e-05 TDB
period 1305.388046058599
3.57
5.5601e-06
1.522e-08
d
yr
n .2757800648527155 1.1747e-09 deg/d
Q 2.584947720581202 7.3402e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2137  
   data-arc span      14292 days (39.13 yr)  
   first obs. used      1982-01-26  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41626  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:44:45  

Additional Information
 Earth MOID = 1.11025 au 
 Jupiter MOID = 2.74414 au 
 T_jup = 3.545 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.08   n/a E2021B10  
diameter diameter 4.957 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13072 (1991 RS8)          Discovered 1991-Sep-11 by Holt, H. E. at Palomar
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RS8 = 1982 BR7 = 1984 WZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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