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52849 (1998 RU72)
Classification: Main-belt Asteroid          SPK-ID: 2052849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194985686051741 2.79e-08  
a 2.286506020975498 7.208e-09 au
q 2.013271824361814 6.5119e-08 au
i 2.3630562247094 4.1897e-06 deg
node 27.54641033189429 7.5198e-05 deg
peri 76.39020271950365 7.7677e-05 deg
M 70.19906250668808 1.7938e-05 deg
tp 2458954.244600182757
(2020-Apr-14.74460018)
6.2933e-05 TDB
period 1262.865069255894
3.46
5.9716e-06
1.635e-08
d
yr
n .2850660840687591 1.348e-09 deg/d
Q 2.559740217589183 8.0693e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1266  
   data-arc span      8227 days (22.52 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:20:13  

Additional Information
 Earth MOID = 1.03153 au 
 Jupiter MOID = 2.54986 au 
 T_jup = 3.591 
[ 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 15.53   n/a E2021B10  
diameter diameter 1.831 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.303   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52849 (1998 RU72)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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