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312011 (2007 RW2)
Classification: Main-belt Asteroid          SPK-ID: 2312011
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066406819742841 6.988e-08  
a 2.345436923705048 1.4689e-08 au
q 1.86077423826297 1.6234e-07 au
i 2.547613268391883 6.6305e-06 deg
node 162.8903892679144 0.0001549 deg
peri 201.085437549238 0.00015589 deg
M 231.4076301231623 1.4622e-05 deg
tp 2459669.147994722073
(2022-Mar-30.64799472)
5.3894e-05 TDB
period 1312.000690721662
3.59
1.2325e-05
3.374e-08
d
yr
n .2743900994457428 2.5777e-09 deg/d
Q 2.830099609147126 1.7724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7110 days (19.47 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:28:19  

Additional Information
 Earth MOID = .857204 au 
 Jupiter MOID = 2.62846 au 
 T_jup = 3.531 
[ 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 18.04   n/a E2021B25  

312011 (2007 RW2)          Discovered 2007-Sep-03 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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