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70312 (1999 RM137)
Classification: Main-belt Asteroid          SPK-ID: 2070312
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289237658829853 3.0405e-08  
a 2.389646952363091 9.0583e-09 au
q 1.842599972897334 7.3991e-08 au
i 4.572425332097119 4.6801e-06 deg
node 176.083396466662 4.589e-05 deg
peri 104.5531102089518 4.7302e-05 deg
M 310.9818123494926 1.2816e-05 deg
tp 2459384.218880496151
(2021-Jun-18.71888050)
4.8682e-05 TDB
period 1349.270549335164
3.69
7.6719e-06
2.1e-08
d
yr
n .2668108335851438 1.5171e-09 deg/d
Q 2.936693931828849 1.1132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      10624 days (29.09 yr)  
   first obs. used      1991-04-09  
   last obs. used      2020-05-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:55  

Additional Information
 Earth MOID = .830967 au 
 Jupiter MOID = 2.2281 au 
 T_jup = 3.493 
[ 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 15.45   n/a E2021B10  
diameter diameter 4.953 km 0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70312 (1999 RM137)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RM137 = 2002 CL244 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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