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20014 (1991 RM29)
Classification: Main-belt Asteroid          SPK-ID: 2020014
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2403415698504217 4.2521e-08  
a 2.600910266825468 1.3853e-08 au
q 1.975803410256556 1.1738e-07 au
i 12.28122344890715 3.1884e-06 deg
node 266.3361786829967 2.5808e-05 deg
peri 167.9554788429647 2.944e-05 deg
M 265.5346113995365 1.6579e-05 deg
tp 2459402.528364415167
(2021-Jul-07.02836442)
7.2869e-05 TDB
period 1532.097769708958
4.19
1.224e-05
3.351e-08
d
yr
n .2349719496480873 1.8772e-09 deg/d
Q 3.22601712339438 1.7182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1559  
   data-arc span      24561 days (67.24 yr)  
   first obs. used      1953-08-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:12:39  

Additional Information
 Earth MOID = .992734 au 
 Jupiter MOID = 2.06115 au 
 T_jup = 3.342 
[ 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 13.7   n/a MPO439232  
diameter diameter 4.441 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.357   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20014 (1991 RM29)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RM29 = 1999 NG56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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