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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 ]

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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 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761724548495223 1.9324e-08  
a 3.133919342162475 1.085e-08 au
q 2.581809078353312 6.2298e-08 au
i .2649185176212148 7.637e-07 deg
node 260.8306831617331 0.00022409 deg
peri 129.7239917617924 0.00022571 deg
M 312.2299363189364 4.4212e-06 deg
tp 2459469.395459289751
(2021-Sep-11.89545929)
2.5179e-05 TDB
period 2026.423200743681
5.55
1.0524e-05
2.881e-08
d
yr
n .1776529206080363 9.2259e-10 deg/d
Q 3.686029605971638 1.2762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3928  
   data-arc span      38022 days (104.10 yr)  
   first obs. used      1916-11-16  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40156  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:31:29  

Additional Information
 Earth MOID = 1.58617 au 
 Jupiter MOID = 1.76018 au 
 T_jup = 3.188 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833204778890628 1.9687e-08  
q 2.552760904847936 6.3961e-08 au
tp 2455426.872737749188
(2010-Aug-18.37273775)
2.6544e-05 TDB
node 261.5499401615576 0.00022656 deg
peri 129.1862046602245 0.00022809 deg
i .2641103742108581 7.6168e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3928  
   data-arc span      38022 days (104.10 yr)  
   first obs. used      1916-11-16  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40156  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:31:29  

Additional Information
 Jupiter MOID = 1.76018 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.875928051551746E-16 -1.248179932716039E-15 1.083177254224039E-13 -4.004069063247056E-13 4.411275613211417E-13 6.808501470385776E-16
q -1.248179932716039E-15 4.0909880265463E-15 -4.628749244927944E-13 1.293353423790324E-12 -1.433805253388518E-12 -2.150283140393557E-15
tp 1.083177254224039E-13 -4.628749244927944E-13 7.045811221098931E-10 -1.344958877067582E-9 1.487247402459881E-9 4.856479841897022E-12
node -4.004069063247056E-13 1.293353423790324E-12 -1.344958877067582E-9 5.132874511437822E-8 -5.165963035421285E-8 -1.691088128417114E-10
peri 4.411275613211417E-13 -1.433805253388518E-12 1.487247402459881E-9 -5.165963035421285E-8 5.202397054897087E-8 1.70254080145417E-10
i 6.808501470385776E-16 -2.150283140393557E-15 4.856479841897022E-12 -1.691088128417114E-10 1.70254080145417E-10 5.801600923531225E-13

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 16:48 00:01 Jupiter 1.78708050047042 1.78708025251151 1.78708074842933 1.88924890943797 1.61904956054568 2432392.200338340 1.08320259659854 24.0511129723182 7.73778897883599 62.6103028735288 5130198.46511606 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
1957-Nov-04 07:11 < 00:01 Jupiter 1.81665641377735 1.81665617651572 1.81665665103908 1.82633608200542 1.55016011251838 2436146.799422499 0.879062932739202 47.6348032300581 9.53523146345926 -78.6377379445483 6125162.09461179 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
2020-Apr-04 18:06 < 00:01 Jupiter 1.97744959602299 1.97744939311753 1.97744979892845 3.11729993077495 2.97672254119697 2458944.254406135 0.12990362840544 11.5092767525782 6.17223614532885 79.9333310374927 6338683.92318287 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
2030-Jul-13 15:21 < 00:01 Jupiter 1.76713616823803 1.76713594459355 1.76713639188241 1.80649471339193 1.51815167367467 2462696.139774934 0.317267516536903 17.225897108439 5.60964452821012 24.5811017074584 5606314.4219587 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
2040-Oct-23 07:17 < 00:01 Jupiter 1.83402362180092 1.8340234066811 1.83402383692075 1.89365255897865 1.63163820751305 2466450.803591370 0.511148934098941 32.0369576691388 7.07504130491558 -87.0219891661208 6545290.85588453 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
2103-Mar-27 03:07 00:01 Jupiter 1.94790871304987 1.94790815899712 1.94790926710241 2.93772320943242 2.78577528389906 2489249.629910701 1.47745644008435 17.6430720647293 8.6873802427561 48.1191983609978 2418150.64451602 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
2113-Jul-02 14:09 00:02 Jupiter 1.75689346183429 1.75689320646261 1.75689371720597 1.7538637557862 1.45320698999373 2493000.089277869 1.68263406060985 48.4823995173349 11.8540380236911 52.8846609711752 5024452.31208258 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
2123-Oct-12 03:19 00:02 Jupiter 1.86280614991427 1.86280557011738 1.86280672971253 2.00228116559527 1.76060358283169 2496753.637913990 1.8726833884073 99.7035826541325 4.31472415001531 -87.0844203213057 6980491.83570174 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
2186-Mar-15 18:22 00:03 Jupiter 1.908645837131 1.90864488762017 1.90864678664129 2.74201308610487 2.5750867805939 2519554.265247398 2.86198973540534 21.5730454731626 9.03553163557251 43.4001122549782 1445792.03557026 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33
2196-Jun-21 03:25 00:03 Jupiter 1.74759896986051 1.74759875748423 1.74759918223678 1.71180092180469 1.40032378261993 2523304.642598507 3.05358461191767 84.4910803228764 15.5278933152326 61.4925434391929 4872434.74502085 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:33:26 2021-Apr-12 11:33

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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