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27990 (1997 VD6)
Classification: Main-belt Asteroid          SPK-ID: 2027990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04510747765398042 5.1449e-08  
a 3.0468751806504 1.7954e-08 au
q 2.909438326524745 1.625e-07 au
i 10.61286268802134 3.9623e-06 deg
node 80.19062044224742 2.7208e-05 deg
peri 82.86229431495292 5.5878e-05 deg
M 1.033272874217807 4.6935e-05 deg
tp 2458994.924382800650
(2020-May-25.42438280)
0.00025327 TDB
period 1942.586747266854
5.32
1.717e-05
4.701e-08
d
yr
n .1853199093973571 1.638e-09 deg/d
Q 3.184312034776056 1.8764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1672  
   data-arc span      8123 days (22.24 yr)  
   first obs. used      1997-11-09  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:14:10  

Additional Information
 Earth MOID = 1.94246 au 
 Jupiter MOID = 1.88283 au 
 T_jup = 3.210 
[ show covariance matrix ]

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 13.0   n/a MPO344520  
diameter diameter 9.389 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27990 (1997 VD6)          Discovered 1997-Nov-09 by Kobayashi, T. at Oizumi
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ 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
1927-May-15 00:56 00:03 Jupiter 1.91709472319518 1.91709411003959 1.91709533635197 2.74516472858982 2.57920087523769 2425015.538758316 2.49314034338773 165.906691438151 17.5850524805322 -87.4715378606376 2684825.62732411 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 01:14:22 2020-Feb-23 01:14
1975-Sep-25 03:01 00:01 Jupiter 1.88416057182565 1.88416005796779 1.88416108568362 3.08292547562008 2.9334845273847 2442680.625584074 1.09110102794339 123.101956264762 19.4626840071839 -85.2450247443753 2616360.99785405 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 01:14:22 2020-Feb-23 01:14
2024-Jan-17 09:45 < 00:01 Jupiter 1.91133739822795 1.91133695220434 1.91133784425156 3.82452019069215 3.70683702394024 2460326.906312685 0.320501334956643 78.3854188878532 18.5652200694245 -85.7087176113369 3222287.01535787 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 01:14:22 2020-Feb-23 01:14
2033-Jun-07 07:42 < 00:01 Jupiter 1.97151981703388 1.97151935031114 1.97152028375662 3.13011286173152 2.98970702455153 2463755.821159448 0.654575230286508 48.8679692064176 16.6908680196417 79.0708663897671 3089821.6533631 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 01:14:22 2020-Feb-23 01:14
2081-Oct-16 11:13 00:02 Jupiter 1.90370580555049 1.90370527910733 1.90370633199387 2.75278596213649 2.58610972758407 2481418.967109332 2.02079113409191 152.26470013713 18.1236739607046 -85.8668150008211 2546705.85604516 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 01:14:22 2020-Feb-23 01:14
2130-Feb-22 22:45 00:03 Jupiter 1.86909191433821 1.86909141014075 1.86909241853567 3.26219839805364 3.12019099186749 2499079.448155193 3.24418814693922 202.433901718128 19.6347465835759 -86.3578853238478 2295687.14079563 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 01:14:22 2020-Feb-23 01:14
2178-Jun-12 21:14 00:04 Jupiter 1.91292561491007 1.91292456171261 1.91292666810937 3.95203119804814 3.8383554408471 2516721.384868244 4.319537864536 130.599900194933 24.821340841036 -74.2726878865749 1882289.66798157 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 01:14:22 2020-Feb-23 01:14
2187-Nov-09 01:41 00:05 Jupiter 1.9621058348715 1.96210484867285 1.9621068210793 2.97635081954809 2.82759316961122 2520157.570000280 5.0318153725122 262.812840046646 19.3354709710432 -85.889469867761 2975727.89817487 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 01:14:22 2020-Feb-23 01:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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