🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150

Radius: 14.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.72 AU - 0.84 AU

Year: 467 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,180,086 km

• M1: 184,155 km (0.119 R)
• M2: 651,200 km (0.12 R)
• M3: 1,525,300 km (0.081 R)
• M4: 2,236,638 km (0.11 R)
• M5: 2,747,664 km (0.036 R)
• M6: 3,726,633 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.8

Radius: 8.9

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.99 AU - 1.29 AU

Year: 826 Days

Day: 6.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,180,086 km

• M1: 111,151 km (0.059 R)
• M2: 525,537 km (0.104 R)
• M3: 1,176,587 km (0.112 R)
• M4: 1,607,878 km (0.077 R)
• M5: 2,239,929 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.1

Radius: 11.3

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.35 AU - 1.75 AU

Year: 1309 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,180,086 km

• M1: 140,472 km (0.106 R)
• M2: 564,732 km (0.103 R)
• M3: 936,782 km (0.107 R)
• M4: 1,567,636 km (0.061 R)
• M5: 2,527,905 km (0.116 R)
• M6: 3,678,462 km (0.093 R)
• M7: 4,334,897 km (0.103 R)
• M8: 4,827,822 km (0.088 R)
• M9: 5,725,410 km (0.086 R)
• M10: 6,132,765 km (0.067 R)
• M11: 8,099,378 km (0.094 R)
• M12: 10,191,355 km (0.082 R)
• M13: 11,135,018 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 12.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.21 AU - 4.23 AU

Year: 4866 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,180,086 km

• M1: 160,519 km (0.076 R)
• M2: 607,068 km (0.095 R)
• M3: 1,562,699 km (0.053 R)
• M4: 2,084,048 km (0.068 R)
• M5: 2,619,908 km (0.112 R)
• M6: 3,039,679 km (0.066 R)
• M7: 3,670,085 km (0.078 R)
• M8: 4,803,887 km (0.107 R)
• M9: 5,690,853 km (0.112 R)
• M10: 6,747,911 km (0.112 R)
• M11: 8,220,852 km (0.096 R)
• M12: 8,667,850 km (0.086 R)
• M13: 9,368,866 km (0.069 R)
• M14: 10,973,153 km (0.052 R)
• M15: 11,747,322 km (0.09 R)
• M16: 12,557,694 km (0.114 R)
• M17: 13,252,726 km (0.102 R)
• M18: 15,213,505 km (0.047 R)
• M19: 16,061,127 km (0.116 R)
• M20: 18,857,560 km (0.077 R)
• M21: 21,751,830 km (0.104 R)
• M22: 25,949,097 km (0.082 R)
• M23: 26,914,003 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.1

Radius: 5.4

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.23 AU - 7.81 AU

Year: 12615 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,180,086 km

• M1: 69,114 km (0.115 R)
• M2: 325,525 km (0.11 R)
• M3: 2,170,067 km (0.025 R)
• M4: 2,836,076 km (0.03 R)
• M5: 3,654,975 km (0.078 R)
• M6: 4,105,265 km (0.025 R)
• M7: 4,591,607 km (0.1 R)
• M8: 5,051,920 km (0.101 R)
• M9: 5,781,808 km (0.119 R)
• M10: 5,992,592 km (0.105 R)
• M11: 7,124,449 km (0.083 R)
• M12: 7,740,792 km (0.1 R)
• M13: 9,655,196 km (0.117 R)
• M14: 10,616,662 km (0.086 R)
• M15: 13,882,234 km (0.099 R)
• M16: 15,775,544 km (0.043 R)
• M17: 16,890,497 km (0.038 R)
• M18: 18,889,574 km (0.12 R)
• M19: 20,468,280 km (0.07 R)
• M20: 21,540,298 km (0.074 R)
• M21: 22,736,184 km (0.115 R)
• M22: 27,368,482 km (0.083 R)
• M23: 30,218,620 km (0.085 R)
• M24: 31,175,149 km (0.087 R)
• M25: 32,371,483 km (0.079 R)
• M26: 33,711,132 km (0.116 R)
• M27: 34,394,645 km (0.119 R)
• M28: 35,789,346 km (0.118 R)
• M29: 42,006,932 km (0.08 R)
• M30: 44,410,671 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.4

Radius: 6.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.11 AU - 10.19 AU

Year: 18773 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,180,086 km

• M1: 85,869 km (0.093 R)
• M2: 361,578 km (0.109 R)
• M3: 590,912 km (0.103 R)
• M4: 1,295,518 km (0.097 R)
• M5: 1,736,831 km (0.089 R)
• M6: 2,237,535 km (0.089 R)
• M7: 2,482,577 km (0.054 R)
• M8: 3,777,795 km (0.098 R)
• M9: 5,143,175 km (0.085 R)
• M10: 6,097,609 km (0.058 R)
• M11: 6,503,169 km (0.097 R)
• M12: 6,926,531 km (0.099 R)
• M13: 7,450,572 km (0.092 R)
• M14: 8,992,478 km (0.048 R)
• M15: 9,813,471 km (0.065 R)
• M16: 10,422,334 km (0.025 R)
• M17: 11,492,707 km (0.102 R)
• M18: 14,102,142 km (0.098 R)
• M19: 15,954,015 km (0.064 R)
• M20: 21,617,491 km (0.111 R)
• M21: 22,300,106 km (0.05 R)
• M22: 24,434,119 km (0.106 R)
• M23: 25,645,114 km (0.12 R)
• M24: 26,506,499 km (0.068 R)
• M25: 27,685,031 km (0.098 R)
• M26: 28,085,504 km (0.102 R)
• M27: 28,489,867 km (0.085 R)
• M28: 28,897,970 km (0.112 R)
• M29: 32,749,068 km (0.079 R)
• M30: 36,447,876 km (0.069 R)
• M31: 38,770,831 km (0.037 R)
• M32: 39,020,959 km (0.071 R)
• M33: 43,439,332 km (0.099 R)
• M34: 46,469,437 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 11,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit