🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.54 AU - 0.64 AU

Year: 297 Days

Day: 17.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 8.8

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.79 AU - 1.29 AU

Year: 696 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,038,929 km

• M1: 110,104 km (0.042 R)
• M2: 532,269 km (0.081 R)
• M3: 864,825 km (0.101 R)
• M4: 1,269,787 km (0.081 R)
• M5: 2,011,343 km (0.075 R)
• M6: 2,373,071 km (0.09 R)
• M7: 3,177,908 km (0.092 R)
• M8: 3,900,166 km (0.107 R)
• M9: 4,514,565 km (0.089 R)
• M10: 6,333,226 km (0.041 R)
• M11: 7,842,968 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.7

Radius: 9.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.58 AU - 2.54 AU

Year: 1940 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 106.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,038,929 km

• M1: 115,639 km (0.086 R)
• M2: 522,097 km (0.09 R)
• M3: 1,282,503 km (0.085 R)
• M4: 1,572,423 km (0.117 R)
• M5: 2,824,557 km (0.088 R)
• M6: 3,193,466 km (0.08 R)
• M7: 4,408,350 km (0.094 R)
• M8: 4,717,868 km (0.086 R)
• M9: 5,863,788 km (0.12 R)
• M10: 6,772,146 km (0.107 R)
• M11: 7,136,118 km (0.055 R)
• M12: 10,827,146 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.3

Radius: 5.4

Gravity: 30.74 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.56 AU - 10.76 AU

Year: 18187 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,038,929 km

• M1: 68,366 km (0.096 R)
• M2: 242,648 km (0.099 R)
• M3: 450,589 km (0.09 R)
• M4: 654,790 km (0.05 R)
• M5: 909,555 km (0.11 R)
• M6: 1,080,097 km (0.069 R)
• M7: 1,454,839 km (0.107 R)
• M8: 1,817,465 km (0.062 R)
• M9: 2,050,538 km (0.081 R)
• M10: 2,576,973 km (0.097 R)
• M11: 2,871,830 km (0.094 R)
• M12: 3,107,746 km (0.035 R)
• M13: 5,137,340 km (0.102 R)
• M14: 5,525,248 km (0.055 R)
• M15: 7,418,708 km (0.084 R)
• M16: 9,822,895 km (0.105 R)
• M17: 11,041,071 km (0.104 R)
• M18: 11,232,107 km (0.114 R)
• M19: 11,752,259 km (0.083 R)
• M20: 12,701,158 km (0.115 R)
• M21: 13,123,024 km (0.073 R)
• M22: 14,981,928 km (0.11 R)
• M23: 15,373,724 km (0.067 R)
• M24: 16,341,922 km (0.089 R)
• M25: 17,608,417 km (0.045 R)
• M26: 20,718,856 km (0.092 R)
• M27: 28,118,715 km (0.069 R)
• M28: 31,310,086 km (0.116 R)
• M29: 31,821,561 km (0.087 R)
• M30: 34,598,547 km (0.102 R)
• M31: 36,819,776 km (0.06 R)
• M32: 37,820,735 km (0.088 R)
• M33: 39,282,007 km (0.119 R)
• M34: 48,336,119 km (0.066 R)
• M35: 52,711,109 km (0.086 R)
• M36: 55,087,022 km (0.074 R)
• M37: 56,962,531 km (0.113 R)
• M38: 71,960,316 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.3

Radius: 6.4

Gravity: 14.68 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.29 AU - 11.01 AU

Year: 19665 Days

Day: 24 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,038,929 km

• M1: 79,736 km (0.09 R)
• M2: 426,952 km (0.091 R)
• M3: 708,645 km (0.082 R)
• M4: 1,272,779 km (0.095 R)
• M5: 3,550,107 km (0.12 R)
• M6: 4,250,375 km (0.112 R)
• M7: 4,789,376 km (0.116 R)
• M8: 6,902,745 km (0.081 R)
• M9: 11,410,578 km (0.061 R)
• M10: 11,728,323 km (0.084 R)
• M11: 14,559,912 km (0.117 R)
• M12: 20,024,423 km (0.081 R)
• M13: 23,107,485 km (0.096 R)
• M14: 27,615,318 km (0.091 R)
• M15: 28,303,768 km (0.12 R)
• M16: 32,676,065 km (0.114 R)
• M17: 33,705,298 km (0.11 R)
• M18: 34,888,916 km (0.112 R)
• M19: 37,617,881 km (0.046 R)
• M20: 40,339,066 km (0.111 R)
• M21: 41,822,778 km (0.118 R)
• M22: 53,949,331 km (0.091 R)
• M23: 55,204,756 km (0.105 R)
• M24: 60,038,861 km (0.04 R)
• M25: 61,386,888 km (0.12 R)
• M26: 64,343,391 km (0.095 R)
• M27: 66,981,250 km (0.115 R)
• M28: 71,393,190 km (0.047 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 18,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit