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129847 (1999 RH40)
Classification: Main-belt Asteroid          SPK-ID: 2129847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450862570443394 5.1049e-08  
a 2.438612102001531 1.1743e-08 au
q 2.0848029997391 1.2463e-07 au
i 8.029592445721482 5.4349e-06 deg
node 285.3338403023535 3.1189e-05 deg
peri 21.45597359842857 3.4085e-05 deg
M 185.4077811474758 1.36e-05 deg
tp 2459675.082231293702
(2022-Apr-05.58223129)
5.4021e-05 TDB
period 1390.953187157009
3.81
1.0047e-05
2.751e-08
d
yr
n .2588153241417201 1.8694e-09 deg/d
Q 2.792421204263962 1.3446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      9426 days (25.81 yr)  
   first obs. used      1994-03-16  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 17:57:02  

Additional Information
 Earth MOID = 1.07186 au 
 Jupiter MOID = 2.43629 au 
 T_jup = 3.475 
[ 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 15.9   n/a MPO257596  

129847 (1999 RH40)          Discovered 1999-Sep-13 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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