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11177 (1998 FH77)
Classification: Main-belt Asteroid          SPK-ID: 2011177
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03776420974452394 3.8217e-08  
a 3.057822917626162 1.628e-08 au
q 2.942346651603316 1.1737e-07 au
i 10.86086288470149 3.6835e-06 deg
node 138.6621137650445 2.2017e-05 deg
peri 285.2421892004896 6.1121e-05 deg
M 219.362936182644 5.9743e-05 deg
tp 2459963.481861888417
(2023-Jan-18.98186189)
0.00032704 TDB
period 1953.066018475371
5.35
1.5598e-05
4.27e-08
d
yr
n .1843255663631013 1.4721e-09 deg/d
Q 3.173299183649009 1.6895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2013  
   data-arc span      10482 days (28.70 yr)  
   first obs. used      1992-02-04  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51005  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:34:37  

Additional Information
 Earth MOID = 1.97979 au 
 Jupiter MOID = 1.95506 au 
 T_jup = 3.206 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457073.5 (2015-Feb-20.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04009251816518414 3.8268e-08  
q 2.932144026104687 1.1733e-07 au
tp 2458020.658375938433
(2017-Sep-24.15837594)
0.00030092 TDB
node 138.7038604267797 2.2042e-05 deg
peri 286.8672879877631 5.7973e-05 deg
i 10.85784579870701 3.6828e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2013  
   data-arc span      10482 days (28.70 yr)  
   first obs. used      1992-02-04  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51005  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:34:37  

Additional Information
 Jupiter MOID = 1.95506 au 
 T_jup = 3.206 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.464437818656539E-15 -4.448975346801829E-15 6.865144820715628E-13 3.097267879387359E-15 9.432968450031926E-14 2.422240159701136E-15
q -4.448975346801829E-15 1.376661858555662E-14 -1.017645249625202E-13 -6.552613997585532E-15 4.595031098428331E-14 -6.83728240940241E-15
tp 6.865144820715628E-13 -1.017645249625202E-13 9.055116436374086E-8 7.961941732285986E-12 1.61561720879193E-8 1.678873340682522E-12
node 3.097267879387359E-15 -6.552613997585532E-15 7.961941732285986E-12 4.858336090586487E-10 -4.755453068740516E-10 -4.09696934014349E-12
peri 9.432968450031926E-14 4.595031098428331E-14 1.61561720879193E-8 -4.755453068740516E-10 3.360881903933821E-9 4.246376899822418E-12
i 2.422240159701136E-15 -6.83728240940241E-15 1.678873340682522E-12 -4.09696934014349E-12 4.246376899822418E-12 1.356270305561187E-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 12.93   n/a MPCxxxxx  
diameter diameter 9.619 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11177 (1998 FH77)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 19990728/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
1914-Oct-14 13:50 00:02 Jupiter 1.96172758905696 1.96172725404762 1.9617279240663 4.33379662114022 4.2329948758802 2420420.076410364 2.28445275000359 171.676247865687 15.1128238938963 -89.3785069132395 4511658.56236572 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 22:34:49 2021-Apr-12 22:34
2021-Sep-10 16:46 < 00:01 Jupiter 1.95418500708505 1.95418462976632 1.95418538440378 4.32405919845287 4.2226303860151 2459468.198954443 0.266323957435931 40.8665322732579 16.9667891917819 -87.4547412380558 4366760.50203543 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 22:34:49 2021-Apr-12 22:34
2128-Aug-09 16:33 00:03 Jupiter 1.951870753736 1.95187037744549 1.95187113002795 4.2989889618972 4.1968318640175 2498517.189574585 2.67198649661314 202.305051040758 15.3617547692288 -88.1138473675488 4534018.89762412 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 22:34:49 2021-Apr-12 22:34

Alternate Designations
 1998 FH77 = 1992 CT5 = 1992 CX4 = 1994 NX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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