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JPL Small-Body Database Browser
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52880 (1998 SW52)
Classification: Main-belt Asteroid          SPK-ID: 2052880
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 .07573562932526384 3.4701e-08  
a 2.304300929699905 8.5009e-09 au
q 2.129783248634292 8.184e-08 au
i 5.665413635427661 5.1765e-06 deg
node 218.6649109779239 3.8359e-05 deg
peri 239.5785954834839 5.3047e-05 deg
M 1.667176152015829 3.5848e-05 deg
tp 2458994.583209284212
(2020-May-25.08320928)
0.00012722 TDB
period 1277.636232445117
3.50
7.0701e-06
1.936e-08
d
yr
n .2817703434341703 1.5592e-09 deg/d
Q 2.478818610765518 9.1447e-09 au
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      9779 days (26.77 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:37:38  

Additional Information
 Earth MOID = 1.15295 au 
 Jupiter MOID = 2.63706 au 
 T_jup = 3.579 
[ 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 15.8   n/a MPO502509  
diameter diameter 1.557 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.349   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52880 (1998 SW52)          Discovered 1998-Sep-30 by Spacewatch at Kitt Peak
Reference: 20030216/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
1998-Feb-07 04:16 < 00:01 Eunom 0.0414514361818508 0.0414498703354781 0.0414530020834172 4.79030845961336 4.79030838891802 2450851.677697000 0.632533432274392 117.588300924794 40.2261910329872 -52.7602651746114 126711.502829477 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 10:37:55 2020-Feb-23 10:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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