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48476 (1991 UP3)
Classification: Main-belt Asteroid          SPK-ID: 2048476
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024830053065593 5.7871e-08  
a 2.349025522137555 1.5885e-08 au
q 1.873387774873333 1.3374e-07 au
i 3.206243494888178 6.0597e-06 deg
node 86.97640268420848 0.00010658 deg
peri 320.7451673164269 0.00010789 deg
M 253.9864813841697 1.7302e-05 deg
tp 2457787.747638739978
(2017-Feb-03.24763874)
6.5437e-05 JED
period 1315.012950863184
3.60
1.3339e-05
3.652e-08
d
yr
n .2737615623965478 2.7769e-09 deg/d
Q 2.824663269401777 1.9101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8647 days (23.67 yr)  
   first obs. used      1991-10-18  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59265  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:16:14  

Additional Information
 Earth MOID = .883543 au 
 Jupiter MOID = 2.56389 au 
 T_jup = 3.529 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6 mag n/a MPO337645  
rotation period rot_per 6.81 h n/a LCDB (Rev. 2015-December); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

48476 (1991 UP3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 UP3 = 1994 NG5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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