🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.49 AU - 0.53 AU

Year: 232 Days

Day: 20.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,732,702 km

• M1: 163,959 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.47 AU - 0.67 AU

Year: 274 Days

Day: 14.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 57.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.54 AU - 0.62 AU

Year: 281 Days

Day: 30.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 9.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.93 AU - 1.41 AU

Year: 805 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,732,702 km

• M1: 120,725 km (0.042 R)
• M2: 485,744 km (0.103 R)
• M3: 1,061,995 km (0.09 R)
• M4: 1,516,025 km (0.114 R)
• M5: 2,847,147 km (0.082 R)
• M6: 3,212,315 km (0.104 R)
• M7: 3,553,249 km (0.114 R)
• M8: 4,098,234 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.8

Radius: 8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.94 AU - 9.84 AU

Year: 14091 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,732,702 km

• M1: 99,632 km (0.072 R)
• M2: 452,234 km (0.118 R)
• M3: 759,359 km (0.087 R)
• M4: 1,034,619 km (0.081 R)
• M5: 2,458,342 km (0.103 R)
• M6: 2,884,247 km (0.114 R)
• M7: 3,506,125 km (0.065 R)
• M8: 4,094,195 km (0.053 R)
• M9: 4,589,812 km (0.117 R)
• M10: 4,960,217 km (0.078 R)
• M11: 5,973,892 km (0.092 R)
• M12: 6,811,939 km (0.08 R)
• M13: 7,948,135 km (0.101 R)
• M14: 9,372,007 km (0.048 R)
• M15: 10,773,889 km (0.085 R)
• M16: 11,766,471 km (0.096 R)
• M17: 13,026,384 km (0.034 R)
• M18: 16,230,920 km (0.104 R)
• M19: 20,626,854 km (0.078 R)
• M20: 22,377,149 km (0.112 R)
• M21: 23,134,862 km (0.089 R)
• M22: 25,265,884 km (0.116 R)
• M23: 25,756,714 km (0.067 R)
• M24: 29,013,759 km (0.094 R)
• M25: 31,019,717 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.3

Radius: 3.9

Gravity: 24.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.92 AU - 8.12 AU

Year: 14441 Days

Day: 18.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,732,702 km

• M1: 57,745 km (0.085 R)
• M2: 343,178 km (0.092 R)
• M3: 607,068 km (0.117 R)
• M4: 1,139,637 km (0.06 R)
• M5: 1,917,097 km (0.117 R)
• M6: 5,341,691 km (0.109 R)
• M7: 5,476,778 km (0.11 R)
• M8: 6,916,957 km (0.105 R)
• M9: 9,013,122 km (0.098 R)
• M10: 11,274,743 km (0.097 R)
• M11: 18,600,102 km (0.114 R)
• M12: 19,703,386 km (0.111 R)
• M13: 22,916,898 km (0.093 R)
• M14: 24,368,446 km (0.111 R)
• M15: 29,297,845 km (0.098 R)
• M16: 37,256,901 km (0.077 R)
• M17: 46,971,936 km (0.072 R)
• M18: 47,693,148 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.9

Radius: 5.7

Gravity: 25.94 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.86 AU - 8.94 AU

Year: 15479 Days

Day: 24.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 67.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,732,702 km

• M1: 72,106 km (0.095 R)
• M2: 368,310 km (0.074 R)
• M3: 579,991 km (0.112 R)
• M4: 884,722 km (0.074 R)
• M5: 1,263,803 km (0.092 R)
• M6: 1,594,414 km (0.074 R)
• M7: 1,851,573 km (0.086 R)
• M8: 2,096,614 km (0.114 R)
• M9: 2,320,861 km (0.078 R)
• M10: 4,907,708 km (0.098 R)
• M11: 5,416,490 km (0.083 R)
• M12: 5,606,479 km (0.113 R)
• M13: 7,569,802 km (0.075 R)
• M14: 8,757,011 km (0.106 R)
• M15: 9,125,470 km (0.037 R)
• M16: 10,235,337 km (0.104 R)
• M17: 13,329,469 km (0.069 R)
• M18: 13,606,674 km (0.056 R)
• M19: 16,355,834 km (0.091 R)
• M20: 16,995,515 km (0.061 R)
• M21: 17,568,624 km (0.097 R)
• M22: 19,632,028 km (0.095 R)
• M23: 21,281,643 km (0.073 R)
• M24: 23,220,432 km (0.09 R)
• M25: 23,824,358 km (0.062 R)
• M26: 25,805,633 km (0.118 R)
• M27: 26,453,541 km (0.08 R)
• M28: 28,921,906 km (0.117 R)
• M29: 37,514,808 km (0.083 R)
• M30: 38,345,824 km (0.107 R)
• M31: 41,645,354 km (0.081 R)
• M32: 42,685,808 km (0.092 R)
• M33: 44,049,093 km (0.115 R)
• M34: 51,471,990 km (0.09 R)
• M35: 52,154,306 km (0.099 R)
• M36: 52,497,782 km (0.1 R)
• M37: 54,061,828 km (0.044 R)
• M38: 57,282,521 km (0.051 R)
• M39: 64,892,864 km (0.046 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 17,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit