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59897 (1999 RD142)
Classification: Outer Main-belt Asteroid          SPK-ID: 2059897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0704199130820389 4.1087e-08  
a 3.238205796922818 2.7164e-08 au
q 3.010171626161759 1.3579e-07 au
i 10.97673750156175 4.9659e-06 deg
node 164.0342704335593 2.4067e-05 deg
peri 169.5801810502241 4.2006e-05 deg
M 151.3850929112257 3.4724e-05 deg
tp 2457705.473886284323
(2016-Nov-12.97388628)
0.00020426 TDB
period 2128.409044387163
5.83
2.6782e-05
7.333e-08
d
yr
n .1691404201412119 2.1283e-09 deg/d
Q 3.466239967683877 2.9077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      8429 days (23.08 yr)  
   first obs. used      1996-01-14  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55209  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:59  

Additional Information
 Earth MOID = 2.00027 au 
 Jupiter MOID = 1.91642 au 
 T_jup = 3.152 
[ 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 14.3   n/a MPO432153  
diameter diameter 3.707 km 0.659 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59897 (1999 RD142)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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