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JPL Small-Body Database Browser
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91474 (1999 RO95)
Classification: Main-belt Asteroid          SPK-ID: 2091474
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 .2083659359185418 4.8176e-08  
a 2.811002564012111 1.8577e-08 au
q 2.225285383892307 1.3151e-07 au
i 5.292318718837548 4.8014e-06 deg
node 144.9468394413133 5.5715e-05 deg
peri 185.8602865639537 5.6922e-05 deg
M 163.2306700673971 1.3604e-05 deg
tp 2458219.970086036971
(2018-Apr-11.47008604)
6.2988e-05 TDB
period 1721.433655272449
4.71
1.7064e-05
4.672e-08
d
yr
n .2091280130938437 2.073e-09 deg/d
Q 3.396719744131916 2.2447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      9810 days (26.86 yr)  
   first obs. used      1993-03-26  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:30:45  

Additional Information
 Earth MOID = 1.21457 au 
 Jupiter MOID = 1.97241 au 
 T_jup = 3.283 
[ 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 15.2   n/a MPO459428  
diameter diameter 5.399 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91474 (1999 RO95)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
2062-Dec-31 03:10 00:01 Jupiter 1.98026862867826 1.9802682346079 1.98026902274851 2.04814686036099 1.82741438219939 2474554.631663622 1.39194101631213 104.051316969173 22.4597960368211 -83.0397947517386 2178431.47079935 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 22:31:35 2020-Feb-23 22:31
2086-Jun-06 20:24 00:02 Jupiter 1.96459912498597 1.96459876823638 1.96459948173545 2.02958774739656 1.80469972037862 2483113.350095756 2.10860200901618 129.40594949663 23.0345964216983 -85.3126249506819 2325824.37249486 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 22:31:35 2020-Feb-23 22:31
2109-Nov-13 02:43 00:03 Jupiter 1.95964725691906 1.95964680675863 1.95964770708059 2.04634652356373 1.82292891425757 2491672.613373728 2.89165215213277 141.224482865593 21.1528571094835 -86.6015194154779 2477108.40630247 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 22:31:35 2020-Feb-23 22:31
2133-Apr-19 13:16 00:04 Jupiter 1.98276260098804 1.98276183227527 1.9827633697024 2.14685056314737 1.93767415388601 2500231.052576358 3.74930244485514 133.851067754355 16.1052027671747 -88.6586030175144 2327699.1895482 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 22:31:35 2020-Feb-23 22:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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