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101965 (1999 RY41)
Classification: Outer Main-belt Asteroid          SPK-ID: 2101965
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .341699562690107 6.5976e-08  
a 3.955497192077285 2.7386e-08 au
q 2.603905531322531 2.5589e-07 au
i 6.212903890806742 7.6532e-06 deg
node 217.2463314339439 3.3449e-05 deg
peri 169.807864025282 3.4071e-05 deg
M 241.9543193497581 6.6392e-06 deg
tp 2460142.709866235877
(2023-Jul-17.20986624)
6.0559e-05 TDB
period 2873.426202267575
7.87
2.9841e-05
8.17e-08
d
yr
n .1252859738370537 1.3011e-09 deg/d
Q 5.307088852832041 3.6743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      7612 days (20.84 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49163  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:39  

Additional Information
 Earth MOID = 1.60777 au 
 Jupiter MOID = .206083 au 
 T_jup = 2.945 
[ 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 13.69   n/a E2021B55  

101965 (1999 RY41)          Discovered 1999-Sep-13 by Korlevic, K. at Visnjan
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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