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JPL Small-Body Database Browser
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88699 (2001 RW142)
Classification: Main-belt Asteroid          SPK-ID: 2088699
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2061955602986817 3.674e-08  
a 2.273723013785363 6.9541e-09 au
q 1.804891422993883 8.3546e-08 au
i 7.184474511096702 3.5708e-06 deg
node 119.2506570281752 3.3409e-05 deg
peri 239.8453165074703 3.4719e-05 deg
M 183.3940222985604 8.6882e-06 deg
tp 2459614.838399321399
(2022-Feb-04.33839932)
3.0871e-05 TDB
period 1252.28956932357
3.43
5.7451e-06
1.573e-08
d
yr
n .287473447690262 1.3188e-09 deg/d
Q 2.742554604576843 8.388e-09 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 21:35:44  

Additional Information
 Earth MOID = .81317 au 
 Jupiter MOID = 2.72059 au 
 T_jup = 3.572 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456891.5 (2014-Aug-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206499949804857 3.6753e-08  
q 1.804406849755316 8.3592e-08 au
tp 2457108.098854042756
(2015-Mar-26.59885404)
2.9583e-05 TDB
node 119.3545791802294 3.3378e-05 deg
peri 239.3948529971146 3.468e-05 deg
i 7.187572178334364 3.5729e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 21:35:44  

Additional Information
 Jupiter MOID = 2.72059 au 
 T_jup = 3.572 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.350793442683284E-15 -3.065663164185205E-15 1.988170067497966E-13 2.681088093424703E-14 4.821337182919477E-14 -5.189115049879491E-15
q -3.065663164185205E-15 6.98758278473744E-15 -4.649432186475138E-13 -5.968605031080934E-14 -1.173188462140102E-13 1.1938673073464E-14
tp 1.988170067497966E-13 -4.649432186475138E-13 8.751781696498571E-10 3.060206639929019E-12 2.937955916216706E-10 -7.393628586534904E-13
node 2.681088093424703E-14 -5.968605031080934E-14 3.060206639929019E-12 1.114081117038038E-9 -1.103960670967396E-9 5.919145479095738E-12
peri 4.821337182919477E-14 -1.173188462140102E-13 2.937955916216706E-10 -1.103960670967396E-9 1.202727991460703E-9 -6.196565361314802E-12
i -5.189115049879491E-15 1.1938673073464E-14 -7.393628586534904E-13 5.919145479095738E-12 -6.196565361314802E-12 1.27657649120253E-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 15.9   n/a MPO468867  
diameter diameter 2.616 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

88699 (2001 RW142)          Discovered 2001-Sep-14 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2001 RW142 = 1999 AK33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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