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3666 Holman (1979 HP)
Classification: Main-belt Asteroid          SPK-ID: 2003666
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288982968371947 1.7272e-08  
a 3.114837359379405 1.4278e-08 au
q 2.713340128830534 5.7441e-08 au
i 2.364869824639404 4.9478e-07 deg
node 120.3167315949107 1.4198e-05 deg
peri 54.01834217056138 1.6111e-05 deg
M 227.8682423756703 9.4822e-06 deg
tp 2459937.480845746080
(2022-Dec-23.98084575)
5.5231e-05 TDB
period 2007.943504565447
5.50
1.3806e-05
3.78e-08
d
yr
n .1792879128229806 1.2328e-09 deg/d
Q 3.516334589928275 1.6119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3200  
   data-arc span      30049 days (82.27 yr)  
   first obs. used      1938-11-28  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:23:58  

Additional Information
 Earth MOID = 1.71876 au 
 Jupiter MOID = 1.44662 au 
 T_jup = 3.204 
[ 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 12.33   n/a E2021B10  
diameter diameter 20.304 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 35.531 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.066   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3666 Holman (1979 HP)          Discovered 1979-Apr-19 by Muzzio, J. C. at Cerro Tololo
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1905-Jan-10 02:00 00:03 Jupiter 1.63458146281194 1.63458011313147 1.63458281249133 1.97728999082853 1.69508030663524 2416855.583142643 2.69903967308228 79.5231943857396 7.43021265982663 -72.011289209297 4417084.44967854 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
1915-Feb-16 20:36 00:02 Jupiter 1.5249157501945 1.52491501005809 1.52491649033455 1.50544100122152 1.07491489901299 2420545.358376299 2.39447814587397 215.323553430909 34.2956888423026 53.3288039841309 5312952.45998833 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
1977-Apr-16 07:30 < 00:01 Jupiter 1.94104923161806 1.94104860259285 1.94104986064321 3.25233327990874 3.11527281267533 2443249.812172092 0.906720911571875 23.9405533143043 5.83998487737672 8.50254854356502 2830962.76890263 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
1987-May-27 02:38 < 00:01 Jupiter 1.49327972670671 1.49327949243204 1.49327996098121 1.44789397315598 0.980791050697863 2446942.609544089 0.691242894198151 77.439598658556 40.3238639137828 -7.18967024002758 3814467.53723576 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
1997-Jul-04 18:46 < 00:01 Jupiter 1.69936003628706 1.69935978755673 1.69936028501738 2.06650450756667 1.8093005654221 2450634.281686612 0.418113923341776 15.6234565852998 4.4809406364734 85.6341659487869 5863022.22261573 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
2059-Sep-08 10:50 00:01 Jupiter 1.70979833617254 1.70979780238866 1.70979886995622 2.25991972228063 2.02890381782934 2473344.951494274 1.01326086222794 17.7990282905253 1.29239743115952 80.0651056779824 4471816.59390926 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
2069-Oct-14 21:39 00:01 Jupiter 1.48138010559157 1.48137983017429 1.48138038101004 1.3902336015192 0.888364128331977 2477034.402244568 1.28865481782607 139.556487257547 65.1707183801449 47.7831403439711 5002844.9392226 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
2079-Nov-28 07:41 00:02 Jupiter 1.91839091158038 1.91838994355014 1.9183918796104 2.89714428299679 2.740509044218 2480730.819840863 1.50224262033471 37.8614292379883 5.70543088802551 -29.4947578784373 4412865.59563547 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
2142-Jan-23 07:36 00:03 Jupiter 1.53232591074613 1.53232488997844 1.53232693151285 1.57741791429508 1.17588645299382 2503431.816357644 3.03891337606378 184.717125049614 27.1622820902442 -33.7171845961236 3339503.38720917 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25
2152-Mar-01 21:54 00:03 Jupiter 1.61165083156147 1.61164927448738 1.61165238863795 1.80305942852702 1.4832057198862 2507122.412578015 3.30025570657823 181.430829361558 11.8174819344704 71.1455273782209 5900493.83559813 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 15:25:21 2021-Apr-12 15:25

Alternate Designations
 1979 HP = 1938 WQ = 1982 VH1 = 1984 CB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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