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187872 (2000 QB70)
Classification: Main-belt Asteroid          SPK-ID: 2187872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2884229962843448 7.9842e-08  
a 2.547567510698317 1.8414e-08 au
q 1.812790456026059 2.0969e-07 au
i 12.54291146420653 7.9326e-06 deg
node 338.1932465678969 2.6456e-05 deg
peri 353.7631211212955 2.9844e-05 deg
M 1.232047334265855 2.0026e-05 deg
tp 2459195.417096413623
(2020-Dec-11.91709641)
8.2571e-05 TDB
period 1485.206972332769
4.07
1.6103e-05
4.409e-08
d
yr
n .2423904591792746 2.6281e-09 deg/d
Q 3.282344565370575 2.3726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      7285 days (19.95 yr)  
   first obs. used      2000-08-02  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:10  

Additional Information
 Earth MOID = .80129 au 
 Jupiter MOID = 2.10367 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2872062716744446 7.9646e-08  
q 1.816878738839582 2.086e-07 au
tp 2457711.463998078167
(2016-Nov-18.96399808)
6.9357e-05 TDB
node 338.2260634031647 2.6463e-05 deg
peri 353.8432339766813 2.9915e-05 deg
i 12.53752782287549 7.929e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      7285 days (19.95 yr)  
   first obs. used      2000-08-02  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:10  

Additional Information
 Jupiter MOID = 2.10367 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.343422789781965E-15 -1.658958470885142E-14 -2.482490089788711E-12 3.937245183512677E-14 -4.838668808327831E-13 -1.659068348400821E-14
q -1.658958470885142E-14 4.351469161543038E-14 7.054283544633746E-12 -1.033750852047864E-13 1.360399907617902E-12 4.422903291046428E-14
tp -2.482490089788711E-12 7.054283544633746E-12 4.810443160715581E-9 -3.284482430349985E-11 9.838750632572942E-10 1.362806532285279E-11
node 3.937245183512677E-14 -1.033750852047864E-13 -3.284482430349985E-11 7.002694346421254E-10 -6.881462435330153E-10 -2.165012593239177E-11
peri -4.838668808327831E-13 1.360399907617902E-12 9.838750632572942E-10 -6.881462435330153E-10 8.949243099256929E-10 2.425181425299826E-11
i -1.659068348400821E-14 4.422903291046428E-14 1.362806532285279E-11 -2.165012593239177E-11 2.425181425299826E-11 6.286963391501418E-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 15.74   n/a E2021B55  
diameter diameter 3.835 km 1.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187872 (2000 QB70)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ hide close-approach data ]
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
2119-Mar-19 04:52 00:02 Eunom 0.0436707653388657 0.0436437244641988 0.0436978115136098 6.04676648189233 6.04676642873295 2495085.702808491 1.90159821287939 1547.71328762182 98.299643405613 -29.4936141696722 32909.8611756992 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 21:57:11 2021-Apr-13 21:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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