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70345 (1999 RF177)
Classification: Main-belt Asteroid          SPK-ID: 2070345
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 .1826503714984904 3.2279e-08  
a 2.395905302480234 9.8908e-09 au
q 1.958292308907016 7.974e-08 au
i 4.689986007411726 4.1959e-06 deg
node 177.9328956572728 4.4157e-05 deg
peri 94.8555737444707 4.5672e-05 deg
M 322.816035128013 1.2553e-05 deg
tp 2459340.412364193545
(2021-May-05.91236419)
4.7586e-05 TDB
period 1354.574513048281
3.71
8.388e-06
2.297e-08
d
yr
n .2657661107101965 1.6457e-09 deg/d
Q 2.833518296053451 1.1697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1042  
   data-arc span      8338 days (22.83 yr)  
   first obs. used      1998-03-22  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53971  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:49:08  

Additional Information
 Earth MOID = .947178 au 
 Jupiter MOID = 2.28636 au 
 T_jup = 3.502 
[ 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 15.42   n/a E2021B10  
diameter diameter 2.490 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70345 (1999 RF177)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RF177 = 1998 FQ128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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