🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.78 AU - 0.8 AU

Year: 259 Days

Day: 26.4 Hours

Environment

Temp: 144 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,336,096 km

• M1: 66,122 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1 AU - 1.04 AU

Year: 380 Days

Day: 39.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 45.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 92,336,096 km

• M1: 57,745 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.83 AU - 2.41 AU

Year: 1139 Days

Day: 34.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.8

Radius: 8.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.16 AU - 8.5 AU

Year: 7322 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,336,096 km

• M1: 108,159 km (0.061 R)
• M2: 408,253 km (0.113 R)
• M3: 753,674 km (0.039 R)
• M4: 1,796,371 km (0.105 R)
• M5: 2,092,276 km (0.112 R)
• M6: 2,752,152 km (0.091 R)
• M7: 3,045,663 km (0.119 R)
• M8: 3,993,515 km (0.102 R)
• M9: 4,704,105 km (0.11 R)
• M10: 5,174,291 km (0.098 R)
• M11: 5,623,982 km (0.104 R)
• M12: 6,573,181 km (0.073 R)
• M13: 7,978,054 km (0.074 R)
• M14: 9,908,465 km (0.114 R)
• M15: 10,251,643 km (0.032 R)
• M16: 10,681,886 km (0.115 R)
• M17: 11,329,047 km (0.038 R)
• M18: 11,704,388 km (0.117 R)
• M19: 12,880,676 km (0.116 R)
• M20: 14,326,090 km (0.066 R)
• M21: 16,506,031 km (0.109 R)
• M22: 17,370,856 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 13.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.57 AU - 11.83 AU

Year: 11146 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,336,096 km

• M1: 193,580 km (0.029 R)
• M2: 829,221 km (0.088 R)
• M3: 1,383,631 km (0.1 R)
• M4: 1,833,920 km (0.078 R)
• M5: 3,019,035 km (0.114 R)
• M6: 3,463,191 km (0.105 R)
• M7: 3,924,251 km (0.065 R)
• M8: 5,066,431 km (0.109 R)
• M9: 6,647,082 km (0.107 R)
• M10: 8,131,841 km (0.114 R)
• M11: 8,999,509 km (0.079 R)
• M12: 11,691,672 km (0.086 R)
• M13: 13,907,815 km (0.1 R)
• M14: 15,148,580 km (0.079 R)
• M15: 22,657,944 km (0.069 R)
• M16: 24,559,183 km (0.084 R)
• M17: 27,057,916 km (0.091 R)
• M18: 28,062,616 km (0.106 R)
• M19: 29,827,422 km (0.087 R)
• M20: 31,445,173 km (0.087 R)
• M21: 39,646,428 km (0.109 R)
• M22: 43,074,014 km (0.088 R)
• M23: 44,581,961 km (0.079 R)
• M24: 46,981,211 km (0.1 R)
• M25: 48,285,705 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399

Radius: 7.3

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 11.07 AU - 14.21 AU

Year: 16581 Days

Day: 23.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 92,336,096 km

• M1: 105,466 km (0.087 R)
• M2: 360,980 km (0.084 R)
• M3: 703,409 km (0.028 R)
• M4: 1,041,201 km (0.113 R)
• M5: 1,400,535 km (0.102 R)
• M6: 1,694,944 km (0.065 R)
• M7: 2,012,690 km (0.059 R)
• M8: 3,260,934 km (0.094 R)
• M9: 3,673,974 km (0.091 R)
• M10: 3,977,807 km (0.041 R)
• M11: 4,419,121 km (0.065 R)
• M12: 5,295,316 km (0.061 R)
• M13: 5,575,961 km (0.082 R)
• M14: 6,597,266 km (0.112 R)
• M15: 7,215,853 km (0.074 R)
• M16: 8,664,110 km (0.111 R)
• M17: 13,050,469 km (0.086 R)
• M18: 15,751,908 km (0.083 R)
• M19: 17,233,076 km (0.12 R)
• M20: 18,804,752 km (0.061 R)
• M21: 24,281,829 km (0.074 R)
• M22: 26,864,486 km (0.04 R)
• M23: 27,173,855 km (0.108 R)
• M24: 28,756,301 km (0.069 R)
• M25: 29,406,005 km (0.03 R)
• M26: 35,207,260 km (0.038 R)
• M27: 35,826,147 km (0.105 R)
• M28: 37,726,638 km (0.11 R)
• M29: 47,489,096 km (0.119 R)
• M30: 47,790,386 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.8

Radius: 6.5

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 16.72 AU - 18.48 AU

Year: 27242 Days

Day: 17.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 58.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 92,336,096 km

• M1: 85,570 km (0.062 R)
• M2: 288,275 km (0.109 R)
• M3: 502,798 km (0.106 R)
• M4: 818,899 km (0.088 R)
• M5: 1,876,556 km (0.074 R)
• M6: 4,791,769 km (0.076 R)
• M7: 5,024,095 km (0.071 R)
• M8: 6,532,640 km (0.075 R)
• M9: 8,487,585 km (0.067 R)
• M10: 8,770,923 km (0.116 R)
• M11: 11,001,128 km (0.082 R)
• M12: 15,429,824 km (0.07 R)
• M13: 17,803,044 km (0.105 R)
• M14: 20,713,620 km (0.111 R)
• M15: 21,227,639 km (0.11 R)
• M16: 21,855,800 km (0.039 R)
• M17: 22,281,256 km (0.069 R)
• M18: 22,604,089 km (0.057 R)
• M19: 23,259,028 km (0.066 R)
• M20: 24,378,469 km (0.114 R)
• M21: 27,333,775 km (0.054 R)
• M22: 28,579,925 km (0.081 R)
• M23: 33,379,773 km (0.055 R)
• M24: 35,092,070 km (0.106 R)
• M25: 38,074,453 km (0.086 R)
• M26: 40,738,791 km (0.062 R)
• M27: 41,221,544 km (0.05 R)
• M28: 42,692,540 km (0.104 R)
• M29: 47,138,588 km (0.108 R)
• M30: 48,027,648 km (0.112 R)
• M31: 48,566,350 km (0.092 R)
• M32: 50,022,536 km (0.111 R)
• M33: 51,883,534 km (0.101 R)
• M34: 53,405,243 km (0.113 R)
• M35: 54,956,423 km (0.081 R)
• M36: 60,831,132 km (0.048 R)
• M37: 64,027,889 km (0.104 R)
• M38: 68,009,735 km (0.083 R)
• M39: 78,183,288 km (0.05 R)
• M40: 78,431,172 km (0.117 R)
• M41: 83,759,997 km (0.066 R)
• M42: 87,710,578 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 13,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit