🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 13.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.89 AU - 1.27 AU

Year: 748 Days

Day: 8.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,687,214 km

• M1: 170,392 km (0.112 R)
• M2: 622,477 km (0.111 R)
• M3: 1,428,510 km (0.103 R)
• M4: 2,308,445 km (0.115 R)
• M5: 2,780,426 km (0.085 R)
• M6: 3,276,642 km (0.076 R)
• M7: 4,093,297 km (0.117 R)
• M8: 4,550,618 km (0.064 R)
• M9: 5,627,573 km (0.053 R)
• M10: 6,689,867 km (0.091 R)
• M11: 7,637,420 km (0.103 R)
• M12: 8,131,243 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 14.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.12 AU - 1.64 AU

Year: 1081 Days

Day: 5.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,687,214 km

• M1: 179,218 km (0.116 R)
• M2: 874,400 km (0.056 R)
• M3: 1,354,160 km (0.103 R)
• M4: 1,894,059 km (0.094 R)
• M5: 2,751,703 km (0.118 R)
• M6: 4,071,306 km (0.081 R)
• M7: 5,504,154 km (0.092 R)
• M8: 6,783,515 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 11.3

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.76 AU - 5.24 AU

Year: 6366 Days

Day: 9.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 107.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,687,214 km

• M1: 140,772 km (0.053 R)
• M2: 1,200,673 km (0.119 R)
• M3: 1,748,201 km (0.096 R)
• M4: 2,321,609 km (0.108 R)
• M5: 2,727,468 km (0.09 R)
• M6: 3,201,544 km (0.111 R)
• M7: 4,089,707 km (0.113 R)
• M8: 6,021,763 km (0.101 R)
• M9: 6,656,058 km (0.089 R)
• M10: 7,824,866 km (0.08 R)
• M11: 11,045,260 km (0.087 R)
• M12: 12,678,420 km (0.049 R)
• M13: 14,408,669 km (0.11 R)
• M14: 16,354,638 km (0.038 R)
• M15: 18,401,136 km (0.107 R)
• M16: 20,761,492 km (0.098 R)
• M17: 21,591,161 km (0.103 R)
• M18: 22,053,120 km (0.086 R)
• M19: 23,156,404 km (0.11 R)
• M20: 29,796,605 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.8

Radius: 14.6

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.32 AU - 6.26 AU

Year: 8114 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,687,214 km

• M1: 182,659 km (0.108 R)
• M2: 1,247,646 km (0.117 R)
• M3: 1,868,029 km (0.032 R)
• M4: 2,626,939 km (0.035 R)
• M5: 3,686,391 km (0.077 R)
• M6: 6,074,122 km (0.108 R)
• M7: 9,591,318 km (0.118 R)
• M8: 10,447,466 km (0.111 R)
• M9: 17,276,460 km (0.097 R)
• M10: 19,680,049 km (0.088 R)
• M11: 22,580,153 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.3

Radius: 3.3

Gravity: 44.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.31 AU - 8.59 AU

Year: 14948 Days

Day: 15.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,687,214 km

• M1: 44,281 km (0.1 R)
• M2: 190,588 km (0.062 R)
• M3: 339,438 km (0.09 R)
• M4: 473,178 km (0.062 R)
• M5: 666,758 km (0.073 R)
• M6: 900,430 km (0.064 R)
• M7: 1,224,159 km (0.037 R)
• M8: 1,499,419 km (0.067 R)
• M9: 1,814,323 km (0.118 R)
• M10: 2,703,832 km (0.087 R)
• M11: 2,976,698 km (0.079 R)
• M12: 3,419,957 km (0.104 R)
• M13: 3,849,752 km (0.108 R)
• M14: 5,250,287 km (0.118 R)
• M15: 6,007,102 km (0.096 R)
• M16: 7,167,982 km (0.104 R)
• M17: 7,556,637 km (0.112 R)
• M18: 9,052,616 km (0.065 R)
• M19: 9,455,184 km (0.078 R)
• M20: 11,767,369 km (0.047 R)
• M21: 12,005,379 km (0.117 R)
• M22: 15,470,514 km (0.12 R)
• M23: 16,118,273 km (0.078 R)
• M24: 18,170,008 km (0.089 R)
• M25: 21,696,927 km (0.077 R)
• M26: 22,874,711 km (0.116 R)
• M27: 24,478,101 km (0.094 R)
• M28: 24,866,008 km (0.112 R)
• M29: 27,592,130 km (0.081 R)
• M30: 30,622,684 km (0.074 R)
• M31: 31,756,636 km (0.093 R)
• M32: 41,577,587 km (0.119 R)
• M33: 47,169,405 km (0.112 R)
• M34: 55,376,045 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139

Radius: 3.4

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.88 AU - 9.22 AU

Year: 18155 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,687,214 km

• M1: 42,486 km (0.12 R)
• M2: 189,391 km (0.118 R)
• M3: 403,017 km (0.081 R)
• M4: 913,145 km (0.102 R)
• M5: 1,095,655 km (0.051 R)
• M6: 2,012,391 km (0.063 R)
• M7: 3,682,950 km (0.072 R)
• M8: 4,879,135 km (0.108 R)
• M9: 6,563,307 km (0.086 R)
• M10: 8,383,165 km (0.09 R)
• M11: 9,783,102 km (0.119 R)
• M12: 10,364,589 km (0.066 R)
• M13: 10,815,477 km (0.113 R)
• M14: 11,810,154 km (0.1 R)
• M15: 13,267,835 km (0.113 R)
• M16: 15,030,397 km (0.115 R)
• M17: 21,004,289 km (0.103 R)
• M18: 24,597,779 km (0.065 R)
• M19: 24,774,155 km (0.101 R)
• M20: 31,912,367 km (0.081 R)
• M21: 41,543,179 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.4

Radius: 4.1

Gravity: 54.69 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.54 AU - 10.48 AU

Year: 19557 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,687,214 km

• M1: 51,013 km (0.113 R)
• M2: 193,729 km (0.099 R)
• M3: 358,736 km (0.109 R)
• M4: 1,437,336 km (0.113 R)
• M5: 1,807,292 km (0.067 R)
• M6: 2,045,601 km (0.072 R)
• M7: 4,202,952 km (0.089 R)
• M8: 5,622,187 km (0.114 R)
• M9: 8,851,407 km (0.076 R)
• M10: 9,420,328 km (0.084 R)
• M11: 9,654,448 km (0.095 R)
• M12: 10,630,425 km (0.115 R)
• M13: 17,811,272 km (0.117 R)
• M14: 18,079,501 km (0.101 R)
• M15: 19,936,759 km (0.113 R)
• M16: 30,638,542 km (0.113 R)
• M17: 42,202,307 km (0.073 R)
• M18: 54,279,792 km (0.111 R)
• M19: 57,719,795 km (0.119 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: 236 - 16,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit