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846 Lipperta (A916 WN)
Classification: Main-belt Asteroid          SPK-ID: 2000846
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17617248052435 3.2656e-08  
a 3.133919342421583 1.3205e-08 au
q 2.581808998103933 1.0363e-07 au
i .2649148057198873 3.5645e-06 deg
node 260.8292426375579 0.00081523 deg
peri 129.7254223620552 0.0008153 deg
M 312.2299455444825 1.175e-05 deg
tp 2459469.395407392930
(2021-Sep-11.89540739)
6.7048e-05 TDB
period 2026.423200994994
5.55
1.2808e-05
3.507e-08
d
yr
n .1776529205860042 1.1228e-09 deg/d
Q 3.686029686739233 1.5531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3892  
   data-arc span      38022 days (104.10 yr)  
   first obs. used      1916-11-16  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:50:19  

Additional Information
 Earth MOID = 1.58617 au 
 Jupiter MOID = 1.76018 au 
 T_jup = 3.188 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456183.5 (2012-Sep-13.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836252822516763 3.2735e-08  
q 2.551047701809411 1.0466e-07 au
tp 2455426.945995462986
(2010-Aug-18.44599546)
5.5098e-05 TDB
node 261.6024091678242 0.00081869 deg
peri 129.083212394108 0.00081874 deg
i .2640030939190139 3.572e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3892  
   data-arc span      38022 days (104.10 yr)  
   first obs. used      1916-11-16  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:50:19  

Additional Information
 Jupiter MOID = 1.76018 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.071550912125052E-15 -3.410470840738178E-15 -1.908368601707623E-13 -2.515812612096055E-15 -3.125544094676746E-14 8.904491184021867E-18
q -3.410470840738178E-15 1.095296862873619E-14 6.915154559765387E-13 1.511312672330392E-14 1.129386037616064E-13 3.043850166136884E-18
tp -1.908368601707623E-13 6.915154559765387E-13 3.035828265246744E-9 -8.065119553411082E-12 5.64431839803908E-10 5.146404692717238E-14
node -2.515812612096055E-15 1.511312672330392E-14 -8.065119553411082E-12 6.702469348373264E-7 -6.70240280642587E-7 -3.764244064220181E-11
peri -3.125544094676746E-14 1.129386037616064E-13 5.64431839803908E-10 -6.70240280642587E-7 6.703429851184901E-7 3.765612153883049E-11
i 8.904491184021867E-18 3.043850166136884E-18 5.146404692717238E-14 -3.764244064220181E-11 3.765612153883049E-11 1.275914473313724E-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 10.34   n/a E2021B10 IRAS observations used: 9
diameter diameter 52.41 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
rotation period rot_per 1641. 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:
[Buchheim, R.K. (2011) Minor Planet Bull. 38, 151-153.]
geometric albedo albedo 0.0506   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9
B-V BV 0.610   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.20 deg.
U-B UB 0.390   0.060 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.20 deg.
Tholen spectral type spec_T CBU:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

846 Lipperta (A916 WN)          Discovered 1916-Nov-26 by Gyllenberg, K. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1947-Jul-25 16:49 00:01 Jupiter 1.78708049154411 1.78708012428451 1.7870808588035 1.88924890709534 1.61904955473264 2432392.200520668 1.20543573526721 52.7982564003616 19.2080000238143 85.5881517769868 2642724.26697041 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
1957-Nov-04 07:11 < 00:01 Jupiter 1.81665624283764 1.81665583894006 1.81665664673531 1.82633542648473 1.55015931024679 2436146.799558852 0.976460797426605 73.1265114452127 18.8829995579044 -81.7081529471145 3039371.73187864 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
2020-Apr-04 18:06 < 00:01 Jupiter 1.97744971277605 1.97744936022624 1.97745006532585 3.11730038569679 2.97672302530381 2458944.254454372 0.217001435619164 33.7523378103628 12.0097960580912 -89.1257199180198 3957826.75563443 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
2030-Jul-13 15:21 < 00:01 Jupiter 1.76713614123327 1.76713583653685 1.76713644592949 1.80649465483226 1.51815159742377 2462696.139843554 0.394167252890182 50.3150734402183 22.5582510178132 -86.5506709923095 3050321.58068678 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
2040-Oct-23 07:17 < 00:01 Jupiter 1.8340234465144 1.8340230756794 1.8340238173494 1.89365194199073 1.63163746283061 2466450.803663589 0.602581617429591 56.2175949724992 14.0876671798908 -87.8859825603899 3132119.9786269 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
2103-Mar-27 03:08 00:02 Jupiter 1.94790900320775 1.94790839373964 1.94790961267565 2.93772492944297 2.7857771201151 2489249.630358722 1.70180978188622 35.7811487716321 15.2532969843016 85.097034961146 1868989.92844398 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
2113-Jul-02 14:09 00:02 Jupiter 1.75689345167161 1.75689312731953 1.7568937760235 1.7538640292785 1.45320731631757 2493000.089821775 1.92337201822492 69.5655527853962 34.2262087542237 75.3712493592271 2556801.32803339 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
2123-Oct-12 03:20 00:02 Jupiter 1.86280567703336 1.8628049905144 1.8628063635538 2.00227940470556 1.76060151323638 2496753.638618431 2.13421894639096 118.005390101883 8.9301783261558 -87.5531218244837 3071294.60023877 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
2186-Mar-15 18:24 00:03 Jupiter 1.90864650299614 1.90864548190802 1.90864752408372 2.74201701051386 2.57509101856725 2519554.266494136 3.25999126946738 37.6443859838476 17.5799774215229 80.6025945429109 1061519.77566705 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50
2196-Jun-21 03:27 00:03 Jupiter 1.74759893082936 1.74759862540317 1.74759923625536 1.71180144246798 1.40032440945315 2523304.643911347 3.46862115321266 104.917346119071 38.9764380789466 70.4488252383991 2602625.77176113 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:29 2021-Feb-24 00:50

Alternate Designations
 A916 WN = 1933 XF = 1943 QF = 1949 UB1 = 2019 FF5 = A912 AD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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