🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.83 AU - 0.87 AU

Year: 274 Days

Day: 44.1 Hours

Environment

Temp: 130 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 118,602,187 km

• M1: 47,123 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.3 AU - 2.04 AU

Year: 755 Days

Day: 24.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.8 AU - 2.38 AU

Year: 1057 Days

Day: 39.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.3 AU - 4.48 AU

Year: 3218 Days

Day: 21.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 118,602,187 km

• M1: 3,935,172 km (0.113 R)

Asteroid Belt

Center: 6.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539

Radius: 13.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.26 AU - 8.48 AU

Year: 8472 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 118,602,187 km

• M1: 170,542 km (0.087 R)
• M2: 625,768 km (0.091 R)
• M3: 1,861,746 km (0.075 R)
• M4: 2,638,757 km (0.109 R)
• M5: 3,372,983 km (0.106 R)
• M6: 4,240,052 km (0.12 R)
• M7: 4,955,130 km (0.1 R)
• M8: 6,076,815 km (0.032 R)
• M9: 6,591,581 km (0.086 R)
• M10: 7,514,600 km (0.076 R)
• M11: 9,124,573 km (0.086 R)
• M12: 10,034,576 km (0.051 R)
• M13: 11,667,288 km (0.103 R)
• M14: 13,470,839 km (0.076 R)
• M15: 17,762,503 km (0.094 R)
• M16: 19,620,359 km (0.034 R)
• M17: 20,292,652 km (0.06 R)
• M18: 20,826,268 km (0.094 R)
• M19: 21,762,601 km (0.066 R)
• M20: 23,972,012 km (0.103 R)
• M21: 24,654,477 km (0.047 R)
• M22: 25,087,563 km (0.074 R)
• M23: 26,237,522 km (0.089 R)
• M24: 27,237,584 km (0.114 R)
• M25: 29,121,021 km (0.088 R)
• M26: 30,094,604 km (0.083 R)
• M27: 35,952,407 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562

Radius: 4.9

Gravity: 23.41 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 19.12 AU - 20.26 AU

Year: 30566 Days

Day: 23.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 118,602,187 km

• M1: 61,036 km (0.107 R)
• M2: 224,098 km (0.112 R)
• M3: 620,981 km (0.098 R)
• M4: 874,699 km (0.079 R)
• M5: 1,053,019 km (0.037 R)
• M6: 1,899,444 km (0.108 R)
• M7: 2,636,662 km (0.092 R)
• M8: 2,847,595 km (0.12 R)
• M9: 6,242,719 km (0.082 R)
• M10: 7,518,041 km (0.072 R)
• M11: 8,161,461 km (0.075 R)
• M12: 8,496,710 km (0.114 R)
• M13: 8,667,701 km (0.035 R)
• M14: 10,311,632 km (0.058 R)
• M15: 11,172,867 km (0.114 R)
• M16: 20,461,997 km (0.12 R)
• M17: 22,679,935 km (0.12 R)
• M18: 24,936,469 km (0.068 R)
• M19: 26,239,317 km (0.118 R)
• M20: 27,962,086 km (0.083 R)
• M21: 29,367,558 km (0.103 R)
• M22: 29,890,103 km (0.109 R)
• M23: 30,685,515 km (0.058 R)
• M24: 35,167,318 km (0.116 R)
• M25: 37,563,577 km (0.059 R)
• M26: 38,179,172 km (0.06 R)
• M27: 46,982,707 km (0.081 R)
• M28: 52,519,324 km (0.111 R)
• M29: 62,685,996 km (0.104 R)
• M30: 64,865,338 km (0.119 R)
• M31: 65,085,994 km (0.114 R)
• M32: 65,751,107 km (0.109 R)
• M33: 65,973,708 km (0.117 R)
• M34: 67,546,580 km (0.043 R)
• M35: 76,523,051 km (0.077 R)
• M36: 81,295,372 km (0.076 R)
• M37: 83,885,061 km (0.082 R)
• M38: 85,996,037 km (0.074 R)
• M39: 90,874,423 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.7

Radius: 3.8

Gravity: 64.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 20.9 AU - 20.9 AU

Year: 33427 Days

Day: 18.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 155.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 118,602,187 km

• M1: 47,423 km (0.104 R)
• M2: 165,754 km (0.064 R)
• M3: 284,386 km (0.046 R)
• M4: 431,590 km (0.078 R)
• M5: 609,462 km (0.078 R)
• M6: 1,192,893 km (0.041 R)
• M7: 1,344,436 km (0.114 R)
• M8: 1,585,887 km (0.039 R)
• M9: 1,944,473 km (0.076 R)
• M10: 2,253,542 km (0.075 R)
• M11: 2,406,731 km (0.077 R)
• M12: 3,717,657 km (0.054 R)
• M13: 4,117,083 km (0.104 R)
• M14: 4,307,820 km (0.089 R)
• M15: 7,353,783 km (0.069 R)
• M16: 8,218,159 km (0.104 R)
• M17: 11,362,557 km (0.074 R)
• M18: 12,833,403 km (0.099 R)
• M19: 17,399,280 km (0.059 R)
• M20: 20,867,407 km (0.072 R)
• M21: 28,029,704 km (0.092 R)
• M22: 28,714,414 km (0.095 R)
• M23: 28,991,319 km (0.081 R)
• M24: 37,160,560 km (0.103 R)
• M25: 37,489,376 km (0.095 R)
• M26: 37,986,490 km (0.068 R)
• M27: 38,320,243 km (0.115 R)
• M28: 42,658,880 km (0.067 R)
• M29: 50,262,940 km (0.074 R)
• M30: 52,501,971 km (0.118 R)
• M31: 56,741,575 km (0.095 R)
• M32: 68,326,583 km (0.053 R)
• M33: 68,573,121 km (0.089 R)
• M34: 73,887,585 km (0.113 R)
• M35: 86,473,852 km (0.052 R)
• M36: 96,643,516 km (0.103 R)
• M37: 98,517,079 km (0.078 R)
• M38: 108,919,816 km (0.066 R)
• M39: 111,972,211 km (0.112 R)
• M40: 115,081,004 km (0.104 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 10,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit