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135282 (2001 SD142)
Classification: Main-belt Asteroid          SPK-ID: 2135282
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06744245440702773 6.6806e-08  
a 2.914039111836968 2.163e-08 au
q 2.717509161896607 1.8995e-07 au
i 4.749605155121531 5.0396e-06 deg
node 306.3828212854002 7.4403e-05 deg
peri 241.0528638338671 8.1514e-05 deg
M 162.4854013135495 3.076e-05 deg
tp 2458576.425442549662
(2019-Apr-02.92544255)
0.00015741 TDB
period 1816.94378876795
4.97
2.023e-05
5.539e-08
d
yr
n .1981349132677968 2.206e-09 deg/d
Q 3.110569061777328 2.3089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      11866 days (32.49 yr)  
   first obs. used      1989-02-11  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:41:19  

Additional Information
 Earth MOID = 1.72358 au 
 Jupiter MOID = 1.8806 au 
 T_jup = 3.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457011.5 (2014-Dec-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06430460982760519 6.6651e-08  
q 2.726491830673511 1.8845e-07 au
tp 2456748.331896479211
(2014-Mar-31.83189648)
0.00017101 TDB
node 306.4605165296438 7.444e-05 deg
peri 239.186924562468 8.2146e-05 deg
i 4.748853851290423 5.0259e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      11866 days (32.49 yr)  
   first obs. used      1989-02-11  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:41:19  

Additional Information
 Jupiter MOID = 1.8806 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.442390825071011E-15 -1.249935351271132E-14 -2.092530561151062E-12 3.357601899703103E-14 -4.780296478124368E-13 -1.760284867201578E-15
q -1.249935351271132E-14 3.551260687371347E-14 4.952225513917733E-12 -9.091653075200624E-14 1.160252515619424E-12 5.170203117691879E-15
tp -2.092530561151062E-12 4.952225513917733E-12 2.924530355753431E-8 -5.581897321792355E-11 6.005921114558839E-9 -9.034383367927004E-13
node 3.357601899703103E-14 -9.091653075200624E-14 -5.581897321792355E-11 5.541359827002828E-9 -5.532917859426741E-9 1.677202140403585E-10
peri -4.780296478124368E-13 1.160252515619424E-12 6.005921114558839E-9 -5.532917859426741E-9 6.748032099576565E-9 -1.673416606119604E-10
i -1.760284867201578E-15 5.170203117691879E-15 -9.034383367927004E-13 1.677202140403585E-10 -1.673416606119604E-10 2.525943930427907E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.54   n/a E2021B55  
diameter diameter 4.880 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135282 (2001 SD142)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1926-Aug-08 02:40 00:03 Jupiter 1.9966559777496 1.99665515438611 1.99665680111321 3.47080125465977 3.3463443091284 2424735.611087328 2.72072719047846 79.9616485585097 28.5247418833786 -77.177684946158 2180724.05893327 T 21 CATAB v2.0g-lin.ifort 2021-Aug-25 02:41:21 2021-Aug-25 02:41
1952-Jul-06 10:20 00:02 Jupiter 1.93157726106095 1.93157651791065 1.93157800421125 2.82349115135948 2.66365828942465 2434199.930418896 1.96281236246658 73.6541770243082 19.6640015493009 82.394154381324 2085311.66837826 T 21 CATAB v2.0g-lin.ifort 2021-Aug-25 02:41:21 2021-Aug-25 02:41
1986-Aug-06 04:03 < 00:01 Jupiter 1.91016656678021 1.91016598859583 1.91016714496459 3.00677498037748 2.8554926994844 2446648.668766739 0.886042670095501 80.0083783650434 19.9530076976516 86.3475295379888 2088119.78570273 T 21 CATAB v2.0g-lin.ifort 2021-Aug-25 02:41:21 2021-Aug-25 02:41
2046-Aug-09 18:56 00:01 Jupiter 1.88344881659478 1.88344820012324 1.88344943306642 2.69754248758662 2.5253312044915 2468567.289049757 1.10160086060531 77.1908928413122 13.3966091089207 -84.719024522441 2033355.56403529 T 21 CATAB v2.0g-lin.ifort 2021-Aug-25 02:41:21 2021-Aug-25 02:41
2106-Aug-17 06:17 00:03 Jupiter 1.91599180470389 1.91599116799868 1.91599244140933 2.74513996987019 2.57907591253603 2490488.762037566 3.04844728976396 115.080058043911 16.4537562692836 86.8086070654011 2171525.60165996 T 21 CATAB v2.0g-lin.ifort 2021-Aug-25 02:41:21 2021-Aug-25 02:41
2140-Sep-17 21:24 00:04 Jupiter 1.92339610773203 1.92339488489631 1.92339733057399 3.06899294739226 2.92197886442527 2502939.391489431 4.02090543170135 218.593617920362 23.0542720249305 -82.0569217986701 2074471.02919195 T 21 CATAB v2.0g-lin.ifort 2021-Aug-25 02:41:21 2021-Aug-25 02:41
2166-Aug-21 01:16 00:05 Jupiter 1.99703250598687 1.99703108791495 1.9970339240623 3.18790424576173 3.05195877010242 2512407.552612122 4.88929878819345 173.518847819687 25.4798291112532 76.5289019577617 2355617.13621172 T 21 CATAB v2.0g-lin.ifort 2021-Aug-25 02:41:21 2021-Aug-25 02:41
2200-Sep-22 01:00 00:06 Jupiter 1.88087072227932 1.88086999420065 1.88087145036762 2.69615826626774 2.52360828273787 2524857.541856651 6.07706255214675 354.673148148088 15.2453891639999 89.510611568716 1990047.40966631 T 21 CATAB v2.0g-lin.ifort 2021-Aug-25 02:41:21 2021-Aug-25 02:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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