🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 10.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.75 AU - 0.87 AU

Year: 494 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,825,374 km

• M1: 135,835 km (0.102 R)
• M2: 519,105 km (0.091 R)
• M3: 1,003,652 km (0.117 R)
• M4: 1,446,462 km (0.1 R)
• M5: 2,454,751 km (0.08 R)
• M6: 2,843,856 km (0.063 R)
• M7: 3,530,809 km (0.113 R)
• M8: 3,907,197 km (0.071 R)
• M9: 4,441,262 km (0.049 R)
• M10: 5,400,184 km (0.101 R)
• M11: 5,973,593 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.1

Radius: 11.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.49 AU - 2.23 AU

Year: 1721 Days

Day: 13.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,825,374 km

• M1: 144,362 km (0.119 R)
• M2: 566,976 km (0.072 R)
• M3: 941,868 km (0.084 R)
• M4: 1,324,689 km (0.082 R)
• M5: 2,209,112 km (0.113 R)
• M6: 2,662,543 km (0.115 R)
• M7: 3,146,642 km (0.072 R)
• M8: 4,066,070 km (0.095 R)
• M9: 4,449,190 km (0.113 R)
• M10: 4,919,676 km (0.103 R)
• M11: 6,058,115 km (0.091 R)
• M12: 7,198,350 km (0.118 R)
• M13: 7,995,258 km (0.094 R)
• M14: 9,267,139 km (0.11 R)
• M15: 10,037,419 km (0.039 R)
• M16: 11,781,880 km (0.111 R)
• M17: 12,445,645 km (0.107 R)
• M18: 13,635,397 km (0.067 R)
• M19: 14,810,040 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 15

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.39 AU - 2.47 AU

Year: 2569 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,825,374 km

• M1: 186,997 km (0.086 R)
• M2: 725,998 km (0.093 R)
• M3: 1,984,266 km (0.103 R)
• M4: 2,484,521 km (0.092 R)
• M5: 3,396,769 km (0.067 R)
• M6: 4,319,489 km (0.09 R)
• M7: 4,928,053 km (0.037 R)
• M8: 5,569,678 km (0.115 R)
• M9: 6,036,424 km (0.095 R)
• M10: 7,021,376 km (0.109 R)
• M11: 7,656,269 km (0.039 R)
• M12: 8,519,748 km (0.093 R)
• M13: 10,368,030 km (0.046 R)
• M14: 11,193,212 km (0.059 R)
• M15: 11,780,533 km (0.087 R)
• M16: 12,721,354 km (0.072 R)
• M17: 13,492,082 km (0.062 R)
• M18: 16,437,365 km (0.093 R)
• M19: 17,197,472 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 12.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.71 AU - 5.55 AU

Year: 7881 Days

Day: 10.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,825,374 km

• M1: 161,267 km (0.095 R)
• M2: 681,119 km (0.104 R)
• M3: 1,239,867 km (0.102 R)
• M4: 2,023,760 km (0.092 R)
• M5: 2,897,860 km (0.108 R)
• M6: 3,499,094 km (0.107 R)
• M7: 4,009,672 km (0.065 R)
• M8: 4,569,916 km (0.098 R)
• M9: 5,066,730 km (0.072 R)
• M10: 6,136,804 km (0.1 R)
• M11: 9,143,123 km (0.054 R)
• M12: 9,666,266 km (0.116 R)
• M13: 10,209,456 km (0.112 R)
• M14: 12,695,175 km (0.086 R)
• M15: 13,513,774 km (0.049 R)
• M16: 17,209,290 km (0.051 R)
• M17: 19,752,604 km (0.056 R)
• M18: 21,151,643 km (0.038 R)
• M19: 24,643,706 km (0.094 R)
• M20: 26,967,260 km (0.094 R)
• M21: 29,527,478 km (0.116 R)
• M22: 30,479,818 km (0.069 R)
• M23: 32,546,513 km (0.099 R)
• M24: 33,768,428 km (0.055 R)
• M25: 34,182,515 km (0.118 R)
• M26: 35,020,862 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.7

Radius: 6.5

Gravity: 20.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.88 AU - 6.2 AU

Year: 10068 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,825,374 km

• M1: 80,932 km (0.066 R)
• M2: 423,212 km (0.049 R)
• M3: 726,148 km (0.083 R)
• M4: 980,016 km (0.1 R)
• M5: 1,217,876 km (0.073 R)
• M6: 1,424,920 km (0.057 R)
• M7: 1,780,364 km (0.064 R)
• M8: 2,084,646 km (0.105 R)
• M9: 3,045,364 km (0.082 R)
• M10: 3,482,040 km (0.073 R)
• M11: 4,331,158 km (0.087 R)
• M12: 5,907,171 km (0.102 R)
• M13: 6,316,172 km (0.034 R)
• M14: 6,944,483 km (0.034 R)
• M15: 7,743,784 km (0.056 R)
• M16: 8,188,389 km (0.114 R)
• M17: 8,886,862 km (0.096 R)
• M18: 9,275,367 km (0.092 R)
• M19: 10,034,128 km (0.096 R)
• M20: 10,998,435 km (0.117 R)
• M21: 14,064,444 km (0.079 R)
• M22: 14,928,521 km (0.08 R)
• M23: 15,756,994 km (0.064 R)
• M24: 20,115,079 km (0.086 R)
• M25: 21,210,734 km (0.108 R)
• M26: 22,523,605 km (0.072 R)
• M27: 23,704,531 km (0.11 R)
• M28: 24,169,630 km (0.065 R)
• M29: 28,632,284 km (0.074 R)
• M30: 31,894,416 km (0.072 R)
• M31: 32,689,828 km (0.096 R)
• M32: 35,034,924 km (0.088 R)
• M33: 39,016,471 km (0.101 R)
• M34: 41,787,173 km (0.109 R)
• M35: 45,111,088 km (0.076 R)
• M36: 50,881,377 km (0.1 R)
• M37: 51,344,682 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.2

Radius: 5.8

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.62 AU - 8.38 AU

Year: 12561 Days

Day: 15.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,825,374 km

• M1: 72,106 km (0.054 R)
• M2: 420,370 km (0.088 R)
• M3: 654,191 km (0.054 R)
• M4: 1,678,787 km (0.093 R)
• M5: 2,903,695 km (0.111 R)
• M6: 5,804,248 km (0.094 R)
• M7: 8,477,113 km (0.111 R)
• M8: 9,216,874 km (0.045 R)
• M9: 9,421,076 km (0.032 R)
• M10: 17,056,252 km (0.108 R)
• M11: 18,151,607 km (0.039 R)
• M12: 18,880,149 km (0.08 R)
• M13: 19,796,735 km (0.099 R)
• M14: 22,355,008 km (0.101 R)
• M15: 30,992,490 km (0.101 R)
• M16: 31,567,245 km (0.116 R)
• M17: 32,032,046 km (0.105 R)
• M18: 37,192,125 km (0.115 R)
• M19: 38,102,877 km (0.07 R)
• M20: 41,061,474 km (0.08 R)
• M21: 44,897,463 km (0.084 R)
• M22: 50,058,888 km (0.104 R)
• M23: 52,782,018 km (0.09 R)
• M24: 55,097,345 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 18,258 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit