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190544 (2000 RQ87)
Classification: Main-belt Asteroid          SPK-ID: 2190544
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683097155912803 4.8948e-08  
a 2.546134643337402 1.1904e-08 au
q 2.117595445660178 1.2799e-07 au
i 2.436498805459892 3.8077e-06 deg
node 217.0128048815135 0.00014807 deg
peri 162.1430981828059 0.00014933 deg
M 338.7869512660034 2.1589e-05 deg
tp 2459287.942197821222
(2021-Mar-14.44219782)
8.929e-05 TDB
period 1483.954127027044
4.06
1.0407e-05
2.849e-08
d
yr
n .2425951001067834 1.7014e-09 deg/d
Q 2.974673841014627 1.3908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      8821 days (24.15 yr)  
   first obs. used      1996-10-09  
   last obs. used      2020-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54757  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:02:57  

Additional Information
 Earth MOID = 1.11865 au 
 Jupiter MOID = 2.48899 au 
 T_jup = 3.421 
[ 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 16.84   n/a E2021B55  

190544 (2000 RQ87)          Discovered 2000-Sep-02 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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