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59942 (1999 RZ197)
Classification: Main-belt Asteroid          SPK-ID: 2059942
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06198288683751892 4.4004e-08  
a 3.071902043637324 1.9907e-08 au
q 2.881496686890608 1.3962e-07 au
i 9.154583545637216 5.8095e-06 deg
node 308.2987811643051 2.2783e-05 deg
peri 142.9475280569379 5.4324e-05 deg
M 220.7727428160006 5.0455e-05 deg
tp 2459761.056071934433
(2022-Jun-30.55607193)
0.00027923 TDB
period 1966.5702782218
5.38
1.9116e-05
5.234e-08
d
yr
n .1830598194159208 1.7794e-09 deg/d
Q 3.262307400384039 2.1141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1316  
   data-arc span      9089 days (24.88 yr)  
   first obs. used      1995-12-20  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:58:06  

Additional Information
 Earth MOID = 1.90429 au 
 Jupiter MOID = 1.86357 au 
 T_jup = 3.208 
[ 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 13.8   n/a MPO351259  
diameter diameter 6.930 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 33.379 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.146   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59942 (1999 RZ197)          Discovered 1999-Sep-08 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
1901-Dec-28 05:37 00:03 Jupiter 1.90870470939652 1.90870391878737 1.90870550000924 3.86153456093267 3.74485149234186 2415746.734256215 3.23337826805471 168.979025955747 18.851993406189 78.2496707754049 2769461.80572656 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 03:58:10 2020-Dec-18 03:58
1951-Mar-02 05:25 00:02 Jupiter 1.95623278761907 1.95623189833047 1.95623367691135 3.80616336880538 3.69065122427755 2433707.725593749 1.92508344323519 196.578086372773 26.5313012346899 80.5854715973453 2585969.09124869 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 03:58:10 2020-Dec-18 03:58
1960-Dec-02 22:28 00:02 Jupiter 1.96233658636298 1.96233593365699 1.96233723906997 3.80512210962959 3.68994237436377 2437271.436264039 1.59665444922271 99.331960439805 17.5492960913117 74.8368178305232 2953322.9000919 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 03:58:10 2020-Dec-18 03:58
2010-Jan-31 11:20 < 00:01 Jupiter 1.90610605663303 1.90610548286818 1.90610663039799 3.82095051190757 3.70282545405789 2455227.972371294 0.254676806914168 130.925652931558 23.1388286776724 85.7657098590653 2639962.24829372 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 03:58:10 2020-Dec-18 03:58
2069-Jan-03 16:19 00:02 Jupiter 1.87561498754431 1.87561445102638 1.87561552406255 3.85197029635061 3.73289173727482 2476750.179927801 1.49563601434647 128.971151264764 21.0698391761353 85.1776033810998 2674051.09571843 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 03:58:10 2020-Dec-18 03:58
2127-Dec-10 13:11 00:03 Jupiter 1.86976250883509 1.86976192971411 1.86976308795681 3.87896176864275 3.76036207076883 2498274.049547597 3.14155456822747 123.06868174381 20.1448381744425 82.4110298525673 2509562.62895338 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 03:58:10 2020-Dec-18 03:58
2186-Nov-15 00:14 00:05 Jupiter 1.89061505769387 1.89061405033324 1.89061606506266 3.89432439705668 3.7775301427193 2519798.509871203 4.79138120116231 230.969360073084 18.8529005110659 78.8266312016827 2605991.8767656 T 22 CATAB v2.0f-lin.ifort 2020-Dec-18 03:58:10 2020-Dec-18 03:58

Alternate Designations
 1999 RZ197 = 2001 AQ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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