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JPL Small-Body Database Browser
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26022 (4180 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2026022
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07420024240819344 5.6624e-08  
a 2.310700438712087 1.0124e-08 au
q 2.139245906026932 1.3091e-07 au
i 2.152579147938109 5.329e-06 deg
node 331.940945103072 0.00013263 deg
peri 205.6970607625269 0.00013655 deg
M 181.258941838193 3.2204e-05 deg
tp 2459637.494556387960
(2022-Feb-26.99455639)
0.00011539 TDB
period 1282.962306802912
3.51
8.432e-06
2.309e-08
d
yr
n .2806006054044602 1.8442e-09 deg/d
Q 2.482154971397243 1.0876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      21005 days (57.51 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57419  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:55:17  

Additional Information
 Earth MOID = 1.1431 au 
 Jupiter MOID = 2.48086 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456043.5 (2012-Apr-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0738313028305639 5.6702e-08  
q 2.140817671949852 1.3113e-07 au
tp 2455788.943538661133
(2011-Aug-15.44353866)
0.00011462 TDB
node 332.0497038690637 0.00013276 deg
peri 206.1043615585928 0.00013672 deg
i 2.151493651602027 5.3257e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      21005 days (57.51 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57419  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:55:17  

Additional Information
 Jupiter MOID = 2.48086 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.215072139720012E-15 -7.416368871672741E-15 1.157254922144285E-12 1.319506227789168E-14 4.205979884805402E-13 -1.373753053787057E-15
q -7.416368871672741E-15 1.719573761322007E-14 -2.743933372515405E-12 -3.229566917539209E-14 -9.873107109570789E-13 3.225074781744256E-15
tp 1.157254922144285E-12 -2.743933372515405E-12 1.313854259881951E-8 6.831555214318845E-11 3.764145238023072E-9 2.708736969357141E-12
node 1.319506227789168E-14 -3.229566917539209E-14 6.831555214318845E-11 1.762487654601477E-8 -1.759158921744314E-8 1.524285007950364E-10
peri 4.205979884805402E-13 -9.873107109570789E-13 3.764145238023072E-9 -1.759158921744314E-8 1.869265647953054E-8 -1.515754516161259E-10
i -1.373753053787057E-15 3.225074781744256E-15 2.708736969357141E-12 1.524285007950364E-10 -1.515754516161259E-10 2.836350752463751E-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 15.4   n/a MPO279786  
rotation period rot_per 5.4 h n/a LCDB (Rev. 2019-August); 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:
[Clark, M. (2014) Minor Planet Bull. 41, 178-183.]

26022 (4180 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4180 P-L = 1999 VQ162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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