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70394 (1999 RP237)
Classification: Main-belt Asteroid          SPK-ID: 2070394
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247070625541681 2.8723e-08  
a 2.439878045936765 9.5235e-09 au
q 1.891620217243911 7.1946e-08 au
i 8.934144547536702 4.6476e-06 deg
node 128.4867394365699 2.2356e-05 deg
peri 278.4532902345761 2.5153e-05 deg
M 126.4712558913875 1.2929e-05 deg
tp 2458511.465007065868
(2019-Jan-27.96500707)
4.8437e-05 TDB
period 1392.036445083458
3.81
8.1502e-06
2.231e-08
d
yr
n .2586139186739587 1.5142e-09 deg/d
Q 2.988135874629619 1.1664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1684  
   data-arc span      10489 days (28.72 yr)  
   first obs. used      1991-08-05  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:38:14  

Additional Information
 Earth MOID = .925931 au 
 Jupiter MOID = 2.45803 au 
 T_jup = 3.451 
[ 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 15.0   n/a MPO468643  
diameter diameter 5.154 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70394 (1999 RP237)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RP237 = 1991 PS27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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