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JPL Small-Body Database Browser
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48291 (2002 JQ1)
Classification: Main-belt Asteroid          SPK-ID: 2048291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206881914111781 4.4547e-08  
a 2.178631881535817 6.5162e-09 au
q 1.915696740002527 9.706e-08 au
i 1.350827862430919 4.8582e-06 deg
node 187.4074676629284 0.00017613 deg
peri 61.32843369442313 0.00017693 deg
M 203.3813533635575 1.6967e-05 deg
tp 2459511.493263725427
(2021-Oct-23.99326373)
5.5769e-05 TDB
period 1174.55730139319
3.22
5.2696e-06
1.443e-08
d
yr
n .306498456544427 1.3751e-09 deg/d
Q 2.441567023069106 7.3026e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      10633 days (29.11 yr)  
   first obs. used      1990-10-18  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:33:31  

Additional Information
 Earth MOID = .902221 au 
 Jupiter MOID = 2.57514 au 
 T_jup = 3.673 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456299.5 (2013-Jan-07.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214957366926629 4.4715e-08  
q 1.913267075646643 9.7496e-08 au
tp 2455987.296263032911
(2012-Feb-29.79626303)
5.4233e-05 TDB
node 187.5065612549714 0.00017622 deg
peri 60.97341197746152 0.00017699 deg
i 1.350252568387314 4.8611e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      10633 days (29.11 yr)  
   first obs. used      1990-10-18  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:33:31  

Additional Information
 Jupiter MOID = 2.57514 au 
 T_jup = 3.673 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.999426540080758E-15 -4.351993403227364E-15 -8.665641815777448E-13 -1.033755710890339E-14 -2.632049342588262E-13 -8.630233005854281E-16
q -4.351993403227364E-15 9.505404585651303E-15 1.863354285452649E-12 2.31402194341014E-14 5.680302778275437E-13 1.927296033967487E-15
tp -8.665641815777448E-13 1.863354285452649E-12 2.941261105638508E-9 2.594812894710985E-12 9.123895162142884E-10 4.782702141092149E-13
node -1.033755710890339E-14 2.31402194341014E-14 2.594812894710985E-12 3.105290773774638E-8 -3.104287316581368E-8 3.081272660126131E-10
peri -2.632049342588262E-13 5.680302778275437E-13 9.123895162142884E-10 -3.104287316581368E-8 3.132699755235456E-8 -3.079040572999698E-10
i -8.630233005854281E-16 1.927296033967487E-15 4.782702141092149E-13 3.081272660126131E-10 -3.079040572999698E-10 2.363007086030328E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO247728  
rotation period rot_per 1.15 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

48291 (2002 JQ1)          Discovered 2002-May-04 by Yeung, W. K. Y. at Desert Eagle
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 JQ1 = 1996 PY3 = 2000 WJ139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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