🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 12.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 10.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,066,154 km

• M1: 150,495 km (0.062 R)
• M2: 536,757 km (0.107 R)
• M3: 966,253 km (0.081 R)
• M4: 1,397,394 km (0.109 R)
• M5: 1,858,754 km (0.054 R)
• M6: 2,608,837 km (0.045 R)
• M7: 3,003,626 km (0.075 R)
• M8: 3,418,461 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 12

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.99 AU - 1.03 AU

Year: 677 Days

Day: 6.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,066,154 km

• M1: 149,299 km (0.087 R)
• M2: 650,003 km (0.04 R)
• M3: 1,336,358 km (0.09 R)
• M4: 1,901,838 km (0.101 R)
• M5: 2,676,755 km (0.111 R)
• M6: 3,787,220 km (0.102 R)
• M7: 4,998,065 km (0.12 R)
• M8: 5,656,894 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 15

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.04 AU - 1.52 AU

Year: 966 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,066,154 km

• M1: 187,147 km (0.087 R)
• M2: 747,690 km (0.102 R)
• M3: 1,221,167 km (0.095 R)
• M4: 2,568,296 km (0.082 R)
• M5: 3,169,680 km (0.09 R)
• M6: 3,781,086 km (0.115 R)
• M7: 5,508,343 km (0.074 R)
• M8: 7,250,410 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.9

Radius: 10.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.15 AU - 2.97 AU

Year: 2731 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,066,154 km

• M1: 133,591 km (0.104 R)
• M2: 854,054 km (0.06 R)
• M3: 1,321,398 km (0.049 R)
• M4: 1,717,384 km (0.072 R)
• M5: 2,141,344 km (0.084 R)
• M6: 3,169,530 km (0.085 R)
• M7: 3,499,094 km (0.085 R)
• M8: 4,478,212 km (0.111 R)
• M9: 5,581,197 km (0.038 R)
• M10: 8,914,986 km (0.1 R)
• M11: 9,792,677 km (0.035 R)
• M12: 10,497,432 km (0.039 R)
• M13: 11,038,228 km (0.084 R)
• M14: 12,344,068 km (0.119 R)
• M15: 13,389,009 km (0.118 R)
• M16: 16,773,661 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.5

Radius: 12.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.01 AU - 4.09 AU

Year: 5435 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,066,154 km

• M1: 160,519 km (0.06 R)
• M2: 602,879 km (0.118 R)
• M3: 1,783,356 km (0.12 R)
• M4: 2,603,751 km (0.073 R)
• M5: 3,606,954 km (0.059 R)
• M6: 4,479,858 km (0.079 R)
• M7: 5,367,123 km (0.082 R)
• M8: 7,072,987 km (0.115 R)
• M9: 7,581,470 km (0.078 R)
• M10: 9,220,315 km (0.102 R)
• M11: 9,682,722 km (0.051 R)
• M12: 13,502,405 km (0.091 R)
• M13: 14,523,410 km (0.072 R)
• M14: 15,199,592 km (0.114 R)
• M15: 17,570,270 km (0.108 R)
• M16: 18,900,345 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.9

Radius: 6.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.88 AU - 6.8 AU

Year: 9411 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,066,154 km

• M1: 79,586 km (0.07 R)
• M2: 318,943 km (0.12 R)
• M3: 707,748 km (0.114 R)
• M4: 982,559 km (0.098 R)
• M5: 1,459,626 km (0.109 R)
• M6: 1,856,510 km (0.11 R)
• M7: 2,307,248 km (0.106 R)
• M8: 2,618,112 km (0.069 R)
• M9: 3,466,631 km (0.055 R)
• M10: 4,436,774 km (0.081 R)
• M11: 6,998,637 km (0.091 R)
• M12: 8,685,652 km (0.046 R)
• M13: 10,364,140 km (0.114 R)
• M14: 11,165,237 km (0.119 R)
• M15: 11,580,970 km (0.105 R)
• M16: 12,296,496 km (0.099 R)
• M17: 12,940,365 km (0.073 R)
• M18: 13,296,109 km (0.113 R)
• M19: 15,455,854 km (0.075 R)
• M20: 16,146,846 km (0.029 R)
• M21: 20,524,828 km (0.096 R)
• M22: 24,612,440 km (0.12 R)
• M23: 25,316,448 km (0.115 R)
• M24: 27,675,756 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.8

Radius: 3.5

Gravity: 81.04 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.01 AU - 7.13 AU

Year: 12536 Days

Day: 17.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,066,154 km

• M1: 43,533 km (0.089 R)
• M2: 239,656 km (0.096 R)
• M3: 381,325 km (0.097 R)
• M4: 570,716 km (0.058 R)
• M5: 696,528 km (0.098 R)
• M6: 1,004,849 km (0.077 R)
• M7: 1,694,645 km (0.101 R)
• M8: 1,920,986 km (0.047 R)
• M9: 2,542,416 km (0.116 R)
• M10: 3,612,041 km (0.06 R)
• M11: 4,230,179 km (0.095 R)
• M12: 4,746,142 km (0.036 R)
• M13: 5,375,500 km (0.104 R)
• M14: 5,634,604 km (0.099 R)
• M15: 6,628,532 km (0.044 R)
• M16: 6,926,531 km (0.056 R)
• M17: 7,733,761 km (0.101 R)
• M18: 7,921,357 km (0.096 R)
• M19: 9,007,587 km (0.083 R)
• M20: 12,790,618 km (0.104 R)
• M21: 12,921,366 km (0.068 R)
• M22: 15,209,466 km (0.063 R)
• M23: 16,333,245 km (0.073 R)
• M24: 17,834,909 km (0.116 R)
• M25: 21,939,425 km (0.077 R)
• M26: 23,960,792 km (0.112 R)
• M27: 25,478,462 km (0.077 R)
• M28: 25,893,596 km (0.103 R)
• M29: 39,158,589 km (0.106 R)
• M30: 42,553,862 km (0.063 R)
• M31: 45,529,065 km (0.048 R)
• M32: 46,448,044 km (0.035 R)
• M33: 52,723,974 km (0.048 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 14,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit