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102150 (1999 RQ197)
Classification: Outer Main-belt Asteroid          SPK-ID: 2102150
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2466733765779249 3.5539e-08  
a 3.208745129622613 3.0829e-08 au
q 2.417233133920632 1.1724e-07 au
i 25.16856334277523 6.0166e-06 deg
node 336.2500535147619 9.5071e-06 deg
peri 289.3953225499991 1.5069e-05 deg
M 306.1487781313863 1.266e-05 deg
tp 2459514.546763197303
(2021-Oct-27.04676320)
7.5677e-05 TDB
period 2099.429331926127
5.75
3.0257e-05
8.284e-08
d
yr
n .1714751692402606 2.4713e-09 deg/d
Q 4.000257125324594 3.8434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53482  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:40  

Additional Information
 Earth MOID = 1.52182 au 
 Jupiter MOID = 1.83582 au 
 T_jup = 2.999 
[ 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 13.88   n/a E2021B55  
diameter diameter 10.704 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102150 (1999 RQ197)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RQ197 = 2003 BK20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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