🌌 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: 504.4

Radius: 12.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.66 AU - 0.96 AU

Year: 503 Days

Day: 12.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 175.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,446,491 km

• M1: 154,385 km (0.056 R)
• M2: 544,387 km (0.087 R)
• M3: 1,115,252 km (0.106 R)
• M4: 1,550,133 km (0.046 R)
• M5: 2,201,931 km (0.088 R)
• M6: 2,676,306 km (0.112 R)
• M7: 3,770,465 km (0.102 R)
• M8: 4,584,427 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.7

Radius: 8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.47 AU - 2.41 AU

Year: 1865 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,446,491 km

• M1: 99,483 km (0.051 R)
• M2: 476,170 km (0.076 R)
• M3: 1,119,291 km (0.075 R)
• M4: 1,493,735 km (0.108 R)
• M5: 1,840,054 km (0.075 R)
• M6: 4,144,609 km (0.033 R)
• M7: 4,443,954 km (0.108 R)
• M8: 5,205,557 km (0.052 R)
• M9: 6,839,914 km (0.033 R)
• M10: 7,134,023 km (0.11 R)
• M11: 9,021,500 km (0.116 R)
• M12: 9,286,138 km (0.09 R)
• M13: 9,862,090 km (0.106 R)
• M14: 10,590,781 km (0.109 R)
• M15: 11,018,332 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 9.8

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.65 AU - 4.41 AU

Year: 4578 Days

Day: 10.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,446,491 km

• M1: 122,072 km (0.066 R)
• M2: 443,707 km (0.092 R)
• M3: 1,130,810 km (0.081 R)
• M4: 1,485,357 km (0.075 R)
• M5: 1,928,317 km (0.089 R)
• M6: 3,422,350 km (0.111 R)
• M7: 3,809,360 km (0.085 R)
• M8: 4,445,002 km (0.118 R)
• M9: 5,315,960 km (0.085 R)
• M10: 5,777,470 km (0.072 R)
• M11: 6,202,926 km (0.09 R)
• M12: 6,584,251 km (0.03 R)
• M13: 7,254,599 km (0.085 R)
• M14: 9,251,581 km (0.073 R)
• M15: 11,590,394 km (0.056 R)
• M16: 14,908,475 km (0.053 R)
• M17: 16,967,540 km (0.044 R)
• M18: 17,969,247 km (0.089 R)
• M19: 18,680,436 km (0.082 R)
• M20: 20,575,542 km (0.091 R)
• M21: 22,372,960 km (0.085 R)
• M22: 25,061,982 km (0.099 R)
• M23: 26,360,042 km (0.067 R)
• M24: 27,278,125 km (0.051 R)
• M25: 29,890,403 km (0.112 R)
• M26: 30,341,440 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.2

Radius: 13.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.33 AU - 3.83 AU

Year: 4676 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,446,491 km

• M1: 169,644 km (0.111 R)
• M2: 617,989 km (0.093 R)
• M3: 1,578,706 km (0.117 R)
• M4: 2,361,253 km (0.119 R)
• M5: 3,224,283 km (0.093 R)
• M6: 3,882,364 km (0.063 R)
• M7: 4,770,227 km (0.047 R)
• M8: 5,521,657 km (0.119 R)
• M9: 6,795,782 km (0.04 R)
• M10: 7,229,915 km (0.064 R)
• M11: 8,327,216 km (0.055 R)
• M12: 9,418,383 km (0.086 R)
• M13: 9,919,984 km (0.041 R)
• M14: 11,188,574 km (0.108 R)
• M15: 13,314,510 km (0.089 R)
• M16: 15,805,015 km (0.113 R)
• M17: 17,360,235 km (0.094 R)
• M18: 19,321,313 km (0.119 R)
• M19: 20,006,770 km (0.104 R)
• M20: 20,773,011 km (0.103 R)
• M21: 21,360,332 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.7

Radius: 4.5

Gravity: 17.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.1 AU - 6.86 AU

Year: 11386 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,446,491 km

• M1: 56,698 km (0.077 R)
• M2: 220,507 km (0.059 R)
• M3: 537,505 km (0.105 R)
• M4: 684,560 km (0.071 R)
• M5: 1,001,408 km (0.105 R)
• M6: 1,448,706 km (0.12 R)
• M7: 1,596,359 km (0.05 R)
• M8: 2,326,995 km (0.117 R)
• M9: 2,588,043 km (0.105 R)
• M10: 4,359,432 km (0.09 R)
• M11: 5,622,187 km (0.032 R)
• M12: 7,945,293 km (0.104 R)
• M13: 9,247,991 km (0.068 R)
• M14: 10,143,035 km (0.087 R)
• M15: 13,819,702 km (0.096 R)
• M16: 14,060,105 km (0.096 R)
• M17: 16,687,642 km (0.07 R)
• M18: 17,725,403 km (0.104 R)
• M19: 18,878,952 km (0.072 R)
• M20: 19,700,394 km (0.042 R)
• M21: 22,143,477 km (0.118 R)
• M22: 27,148,872 km (0.062 R)
• M23: 27,526,008 km (0.094 R)
• M24: 33,072,200 km (0.11 R)
• M25: 36,733,308 km (0.102 R)
• M26: 38,128,907 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.9

Radius: 6.2

Gravity: 21.95 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.73 AU - 9.49 AU

Year: 17439 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,446,491 km

• M1: 78,389 km (0.119 R)
• M2: 299,196 km (0.064 R)
• M3: 587,172 km (0.082 R)
• M4: 785,688 km (0.063 R)
• M5: 1,384,229 km (0.083 R)
• M6: 1,798,765 km (0.11 R)
• M7: 2,125,487 km (0.071 R)
• M8: 2,446,075 km (0.095 R)
• M9: 3,546,816 km (0.109 R)
• M10: 3,844,067 km (0.097 R)
• M11: 6,674,907 km (0.079 R)
• M12: 7,315,934 km (0.105 R)
• M13: 9,373,204 km (0.053 R)
• M14: 11,338,023 km (0.027 R)
• M15: 11,787,564 km (0.108 R)
• M16: 13,278,008 km (0.101 R)
• M17: 34,560,998 km (0.07 R)
• M18: 40,633,624 km (0.074 R)
• M19: 47,877,003 km (0.113 R)
• M20: 50,412,986 km (0.088 R)
• M21: 59,511,529 km (0.056 R)
• M22: 66,080,222 km (0.098 R)
• M23: 73,557,572 km (0.037 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 17,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit