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JPL Small-Body Database Browser
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59914 (1999 RX157)
Classification: Main-belt Asteroid          SPK-ID: 2059914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715093354972478 4.744e-08  
a 3.045652281167321 2.5095e-08 au
q 2.523294482268637 1.5086e-07 au
i 15.48888795611324 8.0389e-06 deg
node 357.5261908580467 1.5973e-05 deg
peri 295.3732661569932 2.7432e-05 deg
M 358.4674362182919 2.2456e-05 deg
tp 2459008.764849741758
(2020-Jun-08.26484974)
0.00012113 TDB
period 1941.417344286104
5.32
2.3995e-05
6.569e-08
d
yr
n .1854315359134586 2.2918e-09 deg/d
Q 3.568010080066005 2.9399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      17932 days (49.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:51:06  

Additional Information
 Earth MOID = 1.55367 au 
 Jupiter MOID = 1.95511 au 
 T_jup = 3.161 
[ 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 MPO436201  
diameter diameter 7.745 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59914 (1999 RX157)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-Jul-13 14:35 00:03 Jupiter 1.96473634437977 1.9647355265348 1.96473716222585 3.27226167005531 3.13774940309816 2430919.107531572 2.90823672252903 221.161568283027 36.0892261923647 -87.2680440325194 900490.751930446 T 21 CATAB v2.0f-lin.ifort 2020-May-20 11:51:19 2020-May-20 11:51
2049-Jul-28 08:57 00:02 Jupiter 1.97442554974612 1.97442455531648 1.97442654417633 2.11323566185698 1.89941335308471 2469650.872707665 1.70569833700019 124.439250430703 95.9185131447629 -83.2901457430828 838499.007806999 T 21 CATAB v2.0f-lin.ifort 2020-May-20 11:51:19 2020-May-20 11:51
2097-Dec-23 21:59 00:03 Jupiter 1.94791852756405 1.94791775032604 1.94791930480251 3.73123107478902 3.61281275291568 2487331.415875754 3.13397247069493 265.815278079217 30.0401309313387 -87.8434577269813 1044746.3512338 T 21 CATAB v2.0f-lin.ifort 2020-May-20 11:51:19 2020-May-20 11:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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