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22703 (1998 RO44)
Classification: Outer Main-belt Asteroid          SPK-ID: 2022703
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1087633553044246 3.425e-08  
a 3.20263330258407 1.7841e-08 au
q 2.854304158785336 1.1045e-07 au
i 5.909194272807793 3.8838e-06 deg
node 60.02449687047428 3.5012e-05 deg
peri 107.6790011437632 3.8714e-05 deg
M 144.7085143751309 1.6699e-05 deg
tp 2458359.006367499657
(2018-Aug-28.50636750)
9.6642e-05 TDB
period 2093.433886791289
5.73
1.7493e-05
4.789e-08
d
yr
n .17196626187789 1.4369e-09 deg/d
Q 3.550962446382804 1.9781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1986  
   data-arc span      13381 days (36.64 yr)  
   first obs. used      1984-02-26  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:10:14  

Additional Information
 Earth MOID = 1.8676 au 
 Jupiter MOID = 1.4456 au 
 T_jup = 3.176 
[ 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 13.24   n/a E2021B10  
diameter diameter 13.330 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22703 (1998 RO44)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RO44 = 1984 DW2 = 1984 GW = 1999 VV7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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