🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.7

Radius: 9.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.62 AU - 0.98 AU

Year: 469 Days

Day: 13.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 127.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,279,052 km

• M1: 121,623 km (0.095 R)
• M2: 424,260 km (0.085 R)
• M3: 758,312 km (0.059 R)
• M4: 1,120,937 km (0.086 R)
• M5: 2,003,714 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 9.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.77 AU - 1.03 AU

Year: 560 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,279,052 km

• M1: 118,182 km (0.064 R)
• M2: 500,106 km (0.097 R)
• M3: 847,771 km (0.09 R)
• M4: 1,798,914 km (0.107 R)
• M5: 2,498,584 km (0.04 R)
• M6: 2,894,420 km (0.073 R)
• M7: 3,381,959 km (0.069 R)
• M8: 4,064,125 km (0.115 R)
• M9: 4,552,413 km (0.094 R)
• M10: 4,980,712 km (0.03 R)
• M11: 5,845,238 km (0.106 R)
• M12: 6,313,329 km (0.084 R)
• M13: 6,867,290 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 14.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.94 AU - 1.44 AU

Year: 852 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,279,052 km

• M1: 176,675 km (0.062 R)
• M2: 970,741 km (0.067 R)
• M3: 1,421,778 km (0.078 R)
• M4: 3,102,361 km (0.079 R)
• M5: 3,903,906 km (0.101 R)
• M6: 5,295,914 km (0.03 R)
• M7: 5,800,358 km (0.051 R)
• M8: 6,771,996 km (0.058 R)
• M9: 7,250,560 km (0.087 R)
• M10: 8,533,960 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.8

Radius: 8

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.73 AU - 3.13 AU

Year: 3290 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,279,052 km

• M1: 99,632 km (0.104 R)
• M2: 526,285 km (0.082 R)
• M3: 1,705,865 km (0.07 R)
• M4: 2,665,984 km (0.079 R)
• M5: 3,026,664 km (0.098 R)
• M6: 3,345,756 km (0.089 R)
• M7: 4,806,280 km (0.105 R)
• M8: 6,533,537 km (0.068 R)
• M9: 7,568,455 km (0.071 R)
• M10: 7,958,607 km (0.089 R)
• M11: 10,668,273 km (0.065 R)
• M12: 11,284,167 km (0.116 R)
• M13: 12,054,297 km (0.093 R)
• M14: 12,497,107 km (0.118 R)
• M15: 13,227,893 km (0.109 R)
• M16: 14,083,892 km (0.093 R)
• M17: 15,128,533 km (0.074 R)
• M18: 15,695,958 km (0.081 R)
• M19: 16,763,788 km (0.103 R)
• M20: 17,652,399 km (0.119 R)
• M21: 18,281,309 km (0.034 R)
• M22: 19,342,406 km (0.112 R)
• M23: 20,010,810 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.3

Radius: 13.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.01 AU - 3.25 AU

Year: 3633 Days

Day: 7.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,279,052 km

• M1: 171,589 km (0.12 R)
• M2: 711,338 km (0.041 R)
• M3: 1,805,347 km (0.112 R)
• M4: 2,268,353 km (0.057 R)
• M5: 3,041,774 km (0.051 R)
• M6: 3,685,344 km (0.081 R)
• M7: 4,163,907 km (0.109 R)
• M8: 4,634,991 km (0.118 R)
• M9: 6,237,334 km (0.06 R)
• M10: 8,004,533 km (0.1 R)
• M11: 8,812,811 km (0.083 R)
• M12: 10,421,736 km (0.108 R)
• M13: 11,522,178 km (0.116 R)
• M14: 12,030,362 km (0.034 R)
• M15: 13,091,758 km (0.078 R)
• M16: 14,799,717 km (0.056 R)
• M17: 20,812,505 km (0.03 R)
• M18: 23,278,476 km (0.11 R)
• M19: 24,848,206 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 8.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.27 AU - 6.15 AU

Year: 7801 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 81.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,279,052 km

• M1: 106,962 km (0.085 R)
• M2: 375,640 km (0.086 R)
• M3: 1,044,492 km (0.072 R)
• M4: 1,709,156 km (0.087 R)
• M5: 2,018,973 km (0.033 R)
• M6: 2,382,196 km (0.099 R)
• M7: 2,718,044 km (0.074 R)
• M8: 3,569,555 km (0.087 R)
• M9: 5,586,134 km (0.109 R)
• M10: 7,053,540 km (0.065 R)
• M11: 7,326,855 km (0.083 R)
• M12: 9,158,531 km (0.082 R)
• M13: 9,733,436 km (0.091 R)
• M14: 13,595,754 km (0.107 R)
• M15: 15,864,106 km (0.119 R)
• M16: 20,925,152 km (0.038 R)
• M17: 21,277,604 km (0.111 R)
• M18: 26,145,968 km (0.052 R)
• M19: 26,637,247 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.8

Radius: 4.9

Gravity: 28.4 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.43 AU - 8.41 AU

Year: 13259 Days

Day: 18.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,279,052 km

• M1: 63,280 km (0.04 R)
• M2: 475,721 km (0.085 R)
• M3: 1,916,349 km (0.096 R)
• M4: 2,230,205 km (0.105 R)
• M5: 2,409,723 km (0.069 R)
• M6: 3,671,281 km (0.025 R)
• M7: 4,680,618 km (0.04 R)
• M8: 5,424,718 km (0.117 R)
• M9: 6,244,664 km (0.044 R)
• M10: 6,482,076 km (0.031 R)
• M11: 8,651,095 km (0.115 R)
• M12: 9,146,563 km (0.101 R)
• M13: 9,818,707 km (0.119 R)
• M14: 10,634,464 km (0.096 R)
• M15: 16,574,098 km (0.095 R)
• M16: 17,414,838 km (0.052 R)
• M17: 18,769,596 km (0.093 R)
• M18: 20,538,292 km (0.099 R)
• M19: 22,784,952 km (0.112 R)
• M20: 24,112,035 km (0.104 R)
• M21: 27,337,365 km (0.071 R)
• M22: 29,162,310 km (0.084 R)
• M23: 34,997,823 km (0.052 R)
• M24: 35,370,921 km (0.098 R)
• M25: 35,621,048 km (0.084 R)
• M26: 54,700,611 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.1

Radius: 4.1

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.74 AU - 10.42 AU

Year: 16487 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,279,052 km

• M1: 179,069 km (0.109 R)
• M2: 364,720 km (0.091 R)
• M3: 535,560 km (0.09 R)
• M4: 683,812 km (0.102 R)
• M5: 1,290,132 km (0.102 R)
• M6: 1,787,395 km (0.101 R)
• M7: 5,243,705 km (0.111 R)
• M8: 9,812,723 km (0.094 R)
• M9: 11,448,276 km (0.093 R)
• M10: 11,841,270 km (0.034 R)
• M11: 13,565,535 km (0.049 R)
• M12: 16,419,563 km (0.076 R)
• M13: 17,502,502 km (0.083 R)
• M14: 18,941,334 km (0.102 R)
• M15: 21,455,177 km (0.04 R)
• M16: 27,330,633 km (0.115 R)
• M17: 33,620,177 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.4

Radius: 7.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.26 AU - 10.58 AU

Year: 18966 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,279,052 km

• M1: 98,435 km (0.067 R)
• M2: 929,452 km (0.09 R)
• M3: 3,027,711 km (0.091 R)
• M4: 4,714,577 km (0.117 R)
• M5: 6,948,522 km (0.051 R)
• M6: 13,108,513 km (0.026 R)
• M7: 21,298,847 km (0.079 R)
• M8: 21,583,233 km (0.118 R)
• M9: 26,402,229 km (0.077 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 11,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit