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JPL Small-Body Database Browser
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33112 (1998 BL1)
Classification: Main-belt Asteroid          SPK-ID: 2033112
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05760627079219659 4.3349e-08  
a 2.692858640739392 1.2139e-08 au
q 2.537733096675852 1.172e-07 au
i 11.79490695141454 3.5716e-06 deg
node 136.1982776806369 2.0779e-05 deg
peri 244.1410692413776 3.7511e-05 deg
M 131.2807024545092 3.1058e-05 deg
tp 2458411.904209068332
(2018-Oct-20.40420907)
0.00013909 TDB
period 1614.056603702478
4.42
1.0914e-05
2.988e-08
d
yr
n .2230405050071959 1.5082e-09 deg/d
Q 2.847984184802931 1.2839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1691  
   data-arc span      8022 days (21.96 yr)  
   first obs. used      1998-01-19  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 04:31:56  

Additional Information
 Earth MOID = 1.55983 au 
 Jupiter MOID = 2.42883 au 
 T_jup = 3.338 
[ 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 MPO358936  
diameter diameter 8.862 km 2.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.074   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

33112 (1998 BL1)          Discovered 1998-Jan-19 by Kobayashi, T. at Oizumi
Reference: 20020128/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
2031-Jun-29 13:18 < 00:01 Amphi 0.0484145297361848 0.0484138081164414 0.0484152515865523 5.5383267356443 5.5383267142046 2463047.054397790 0.493862887456764 253.136134924349 26.8773468641028 -84.546486948623 268191.915719714 T 30 CATAB v2.0f-lin.ifort 2020-Jan-29 04:32:30 2020-Jan-29 04:32

Alternate Designations
 1998 BL1 = 1999 JO15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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