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175794 (1999 RU104)
Classification: Main-belt Asteroid          SPK-ID: 2175794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948782819280953 5.8118e-08  
a 3.162096682792796 3.7256e-08 au
q 2.545872713959607 1.964e-07 au
i 11.61689548305074 5.9973e-06 deg
node 315.1211869558659 3.4974e-05 deg
peri 2.059358310185637 3.9334e-05 deg
M 296.8819470621135 2.0248e-05 deg
tp 2459560.590974634416
(2021-Dec-12.09097463)
0.00011851 TDB
period 2053.81415988797
5.62
3.6297e-05
9.938e-08
d
yr
n .1752836293716258 3.0978e-09 deg/d
Q 3.778320651625985 4.4516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:51  

Additional Information
 Earth MOID = 1.53051 au 
 Jupiter MOID = 1.53907 au 
 T_jup = 3.143 
[ 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 14.86   n/a E2021B55  
diameter diameter 7.350 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

175794 (1999 RU104)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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