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15948 (1998 BE)
Classification: Main-belt Asteroid          SPK-ID: 2015948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06707551738131926 2.4003e-08  
a 2.711897417165549 1.1484e-08 au
q 2.529995494824107 6.6391e-08 au
i 6.531942466604068 3.8246e-07 deg
node 39.52673536225193 7.2142e-06 deg
peri 288.4233343754288 1.2304e-05 deg
M 193.7718004752831 1.3347e-05 deg
tp 2459953.700350100541
(2023-Jan-09.20035010)
6.2768e-05 TDB
period 1631.20413270118
4.47
1.0362e-05
2.837e-08
d
yr
n .2206958606730971 1.4019e-09 deg/d
Q 2.893799339506992 1.2255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3075  
   data-arc span      13642 days (37.35 yr)  
   first obs. used      1983-11-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:13:15  

Additional Information
 Earth MOID = 1.52664 au 
 Jupiter MOID = 2.32774 au 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.37   n/a E2021B10  
diameter diameter 12.438 km 2.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 71.743 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:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
geometric albedo albedo 0.042   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

15948 (1998 BE)          Discovered 1998-Jan-16 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BE = 1983 VR4 = 1987 SW10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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