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91507 (1999 RM160)
Classification: Main-belt Asteroid          SPK-ID: 2091507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2745991444600561 3.5388e-08  
a 2.773982280802116 1.2385e-08 au
q 2.0122491197465 9.5397e-08 au
i 15.19704271743594 5.7849e-06 deg
node .0153844918419735 1.3422e-05 deg
peri 119.6314201261037 1.74e-05 deg
M 146.4033120241826 1.0752e-05 deg
tp 2458710.218405307594
(2019-Aug-14.71840531)
4.767e-05 TDB
period 1687.539514464381
4.62
1.1301e-05
3.094e-08
d
yr
n .2133283380414726 1.4286e-09 deg/d
Q 3.535715441857732 1.5785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1330  
   data-arc span      10346 days (28.33 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:39  

Additional Information
 Earth MOID = 1.07308 au 
 Jupiter MOID = 1.7082 au 
 T_jup = 3.231 
[ 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 14.33   n/a E2021B10  
diameter diameter 7.370 km 0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91507 (1999 RM160)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RM160 = 1992 DK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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