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JPL Small-Body Database Browser
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13802 (1998 WR3)
Classification: Main-belt Asteroid          SPK-ID: 2013802
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1530595954053278 2.7576e-08  
a 2.255430146406129 7.6076e-09 au
q 1.910214920732228 6.2953e-08 au
i 7.893160497146191 3.5358e-06 deg
node 58.28273786057665 2.3876e-05 deg
peri 224.3326691345221 2.7158e-05 deg
M 252.1241235643091 1.4542e-05 deg
tp 2459371.235637077353
(2021-Jun-05.73563708)
5.0624e-05 TDB
period 1237.20736978124
3.39
6.2597e-06
1.714e-08
d
yr
n .2909778981220055 1.4722e-09 deg/d
Q 2.60064537208003 8.772e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2131  
   data-arc span      13977 days (38.27 yr)  
   first obs. used      1981-10-30  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:45:21  

Additional Information
 Earth MOID = .902944 au 
 Jupiter MOID = 2.53346 au 
 T_jup = 3.596 
[ 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 MPO347634  
diameter diameter 4.130 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.376   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13802 (1998 WR3)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000222/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
1908-Oct-16 14:26 00:02 Vesta 0.0285845748220336 0.0285708378762089 0.0285983119508337 2.33434161615647 2.33433983296242 2418231.101619280 2.37299533645048 684.433651931313 28.0708355025892 9.04419842907457 24420.3198148943 T 36 CATAB v2.0f-lin.ifort 2020-Feb-22 20:45:33 2020-Feb-22 20:45
2064-Jan-21 21:29 00:05 Ceres 0.0209323905672211 0.0209277280473585 0.0209370531115344 2.44098337844351 2.44097511028584 2474941.395248509 5.31378203909956 230.572656264223 27.4421819460638 -9.15957917549436 22074.4169372981 T 36 CATAB v2.0f-lin.ifort 2020-Feb-22 20:45:33 2020-Feb-22 20:45

Alternate Designations
 1998 WR3 = 1981 UD7 = 1997 JK16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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