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27847 (1994 UT)
Classification: Main-belt Asteroid          SPK-ID: 2027847
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371761490400368 3.4057e-08  
a 2.328502126610505 7.0064e-09 au
q 2.00908717185054 7.8759e-08 au
i 4.619641307465724 3.6944e-06 deg
node 267.5079570430657 4.5588e-05 deg
peri 124.2554742059002 4.7765e-05 deg
M 72.49300090887795 1.3543e-05 deg
tp 2458739.159352621780
(2019-Sep-12.65935262)
4.8735e-05 TDB
period 1297.816780607811
3.55
5.8576e-06
1.604e-08
d
yr
n .2773889237519337 1.252e-09 deg/d
Q 2.64791708137047 7.9675e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      9253 days (25.33 yr)  
   first obs. used      1994-10-01  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:11:21  

Additional Information
 Earth MOID = 1.01946 au 
 Jupiter MOID = 2.77446 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457173.5 (2015-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373828135433935 3.4169e-08  
q 2.008568013664009 7.904e-08 au
tp 2457438.941988700108
(2016-Feb-20.44198870)
4.8479e-05 TDB
node 267.6129928186629 4.5678e-05 deg
peri 123.5659511267283 4.7827e-05 deg
i 4.614346854379461 3.6915e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      9253 days (25.33 yr)  
   first obs. used      1994-10-01  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:11:21  

Additional Information
 Jupiter MOID = 2.77446 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.16752186516596E-15 -2.692981392969087E-15 -9.797983897743979E-14 -1.065122048408447E-14 -4.80001645505179E-14 -7.345596212134552E-16
q -2.692981392969087E-15 6.2473186939912E-15 2.17764463288423E-13 2.368958511547794E-14 1.071419876103664E-13 1.719980341929606E-15
tp -9.797983897743979E-14 2.17764463288423E-13 2.350235350917947E-9 9.506589509355139E-13 6.987091730455667E-10 -6.934105973193242E-13
node -1.065122048408447E-14 2.368958511547794E-14 9.506589509355139E-13 2.086493435379571E-9 -2.078716869820453E-9 4.149698720505461E-12
peri -4.80001645505179E-14 1.071419876103664E-13 6.987091730455667E-10 -2.078716869820453E-9 2.28737949548683E-9 -4.337525882180951E-12
i -7.345596212134552E-16 1.719980341929606E-15 -6.934105973193242E-13 4.149698720505461E-12 -4.337525882180951E-12 1.362696069060649E-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 15.0   n/a MPO347730  
diameter diameter 2.873 km 0.472 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.309   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27847 (1994 UT)          Discovered 1994-Oct-31 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 UT = 1998 VD33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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