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27753 (1991 PF5)
Classification: Main-belt Asteroid          SPK-ID: 2027753
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204942208685466 3.2168e-08  
a 2.234350385764506 7.6125e-09 au
q 1.965124076884475 7.3558e-08 au
i 4.623270580260743 3.3377e-06 deg
node 312.1822214826051 4.6257e-05 deg
peri 296.4211904839831 4.8676e-05 deg
M 280.4751655625081 1.669e-05 deg
tp 2459269.979429041415
(2021-Feb-24.47942904)
5.7068e-05 TDB
period 1219.903130149404
3.34
6.2343e-06
1.707e-08
d
yr
n .2951053990294379 1.5081e-09 deg/d
Q 2.503576694644536 8.5297e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1855  
   data-arc span      10537 days (28.85 yr)  
   first obs. used      1991-08-03  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:25  

Additional Information
 Earth MOID = .956335 au 
 Jupiter MOID = 2.5375 au 
 T_jup = 3.626 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456975.5 (2014-Nov-14.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1207030564241798 3.2092e-08  
q 1.964767910203025 7.3398e-08 au
tp 2456830.390602495542
(2014-Jun-21.89060250)
5.3577e-05 TDB
node 312.2382854363128 4.6237e-05 deg
peri 296.461903695864 4.8659e-05 deg
i 4.624358403599944 3.3386e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1855  
   data-arc span      10537 days (28.85 yr)  
   first obs. used      1991-08-03  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:25  

Additional Information
 Jupiter MOID = 2.5375 au 
 T_jup = 3.626 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.029872952905763E-15 -2.34614734700861E-15 -4.606664029860416E-13 -8.411185223212564E-15 -1.152703580802402E-13 -5.876162775797418E-16
q -2.34614734700861E-15 5.387294041105897E-15 1.091336095589712E-12 1.913946270366935E-14 2.746791634583135E-13 1.418275728884072E-15
tp -4.606664029860416E-13 1.091336095589712E-12 2.870513730459598E-9 7.214278920082352E-12 8.262314915941674E-10 4.199506821434852E-13
node -8.411185223212564E-15 1.913946270366935E-14 7.214278920082352E-12 2.137894873301821E-9 -2.128510387986784E-9 2.561591955734213E-11
peri -1.152703580802402E-13 2.746791634583135E-13 8.262314915941674E-10 -2.128510387986784E-9 2.367671990410181E-9 -2.54272781204238E-11
i -5.876162775797418E-16 1.418275728884072E-15 4.199506821434852E-13 2.561591955734213E-11 -2.54272781204238E-11 1.114600201681266E-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 14.8   n/a MPO351018  
diameter diameter 2.719 km 0.326 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.379   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27753 (1991 PF5)          Discovered 1991-Aug-03 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PF5 = 1998 RH60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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