🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 9.1

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.45 AU - 0.65 AU

Year: 287 Days

Day: 6.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 139.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,169,655 km

• M1: 113,096 km (0.074 R)
• M2: 443,109 km (0.067 R)
• M3: 727,494 km (0.113 R)
• M4: 1,018,462 km (0.06 R)
• M5: 1,361,191 km (0.072 R)
• M6: 1,794,576 km (0.106 R)
• M7: 2,770,852 km (0.116 R)
• M8: 3,138,115 km (0.088 R)
• M9: 3,614,883 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.6

Radius: 13.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.88 AU - 1.14 AU

Year: 713 Days

Day: 5.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,169,655 km

• M1: 168,896 km (0.046 R)
• M2: 643,121 km (0.118 R)
• M3: 1,071,121 km (0.087 R)
• M4: 1,659,489 km (0.031 R)
• M5: 2,592,232 km (0.096 R)
• M6: 3,145,146 km (0.108 R)
• M7: 4,898,582 km (0.116 R)
• M8: 5,424,419 km (0.114 R)
• M9: 6,398,899 km (0.102 R)
• M10: 6,939,546 km (0.091 R)
• M11: 7,916,570 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977

Radius: 8.2

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.05 AU - 1.57 AU

Year: 1054 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,169,655 km

• M1: 102,026 km (0.085 R)
• M2: 493,075 km (0.094 R)
• M3: 854,503 km (0.115 R)
• M4: 1,302,100 km (0.098 R)
• M5: 1,929,813 km (0.102 R)
• M6: 2,667,480 km (0.057 R)
• M7: 3,143,949 km (0.116 R)
• M8: 3,410,383 km (0.116 R)
• M9: 4,091,951 km (0.094 R)
• M10: 5,097,547 km (0.097 R)
• M11: 5,920,485 km (0.099 R)
• M12: 6,659,499 km (0.085 R)
• M13: 7,001,480 km (0.104 R)
• M14: 7,588,950 km (0.095 R)
• M15: 8,774,813 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 9.5

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.14 AU - 1.76 AU

Year: 1227 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,169,655 km

• M1: 118,182 km (0.089 R)
• M2: 511,475 km (0.081 R)
• M3: 1,061,696 km (0.108 R)
• M4: 1,441,375 km (0.097 R)
• M5: 1,839,755 km (0.043 R)
• M6: 3,873,388 km (0.101 R)
• M7: 4,295,404 km (0.095 R)
• M8: 4,631,999 km (0.072 R)
• M9: 5,486,502 km (0.11 R)
• M10: 5,793,477 km (0.05 R)
• M11: 6,466,518 km (0.086 R)
• M12: 7,666,741 km (0.119 R)
• M13: 8,079,332 km (0.076 R)
• M14: 9,437,980 km (0.086 R)
• M15: 10,041,607 km (0.107 R)
• M16: 10,704,326 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 13.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.66 AU - 2.74 AU

Year: 3119 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,169,655 km

• M1: 167,849 km (0.082 R)
• M2: 597,943 km (0.112 R)
• M3: 1,460,674 km (0.095 R)
• M4: 2,968,919 km (0.084 R)
• M5: 4,036,001 km (0.119 R)
• M6: 4,565,727 km (0.112 R)
• M7: 5,242,508 km (0.104 R)
• M8: 5,739,173 km (0.12 R)
• M9: 6,858,015 km (0.041 R)
• M10: 7,615,878 km (0.116 R)
• M11: 8,676,677 km (0.082 R)
• M12: 9,449,798 km (0.067 R)
• M13: 11,007,112 km (0.106 R)
• M14: 12,136,576 km (0.111 R)
• M15: 14,023,155 km (0.077 R)
• M16: 15,614,427 km (0.088 R)
• M17: 16,043,923 km (0.117 R)
• M18: 16,536,549 km (0.11 R)
• M19: 17,322,985 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.5

Radius: 5.6

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.42 AU - 8.02 AU

Year: 15078 Days

Day: 24.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,169,655 km

• M1: 78,240 km (0.056 R)
• M2: 287,976 km (0.086 R)
• M3: 510,877 km (0.088 R)
• M4: 792,869 km (0.11 R)
• M5: 1,340,696 km (0.056 R)
• M6: 2,300,666 km (0.068 R)
• M7: 2,777,284 km (0.075 R)
• M8: 3,004,075 km (0.074 R)
• M9: 3,678,911 km (0.073 R)
• M10: 4,009,373 km (0.102 R)
• M11: 4,480,456 km (0.067 R)
• M12: 4,954,831 km (0.058 R)
• M13: 5,892,511 km (0.067 R)
• M14: 6,306,448 km (0.109 R)
• M15: 6,699,441 km (0.112 R)
• M16: 7,447,730 km (0.107 R)
• M17: 8,067,065 km (0.057 R)
• M18: 9,868,972 km (0.058 R)
• M19: 13,270,678 km (0.109 R)
• M20: 15,477,695 km (0.099 R)
• M21: 17,153,191 km (0.072 R)
• M22: 18,546,097 km (0.091 R)
• M23: 21,819,448 km (0.095 R)
• M24: 24,108,594 km (0.097 R)
• M25: 26,959,032 km (0.098 R)
• M26: 27,163,533 km (0.061 R)
• M27: 30,911,707 km (0.055 R)
• M28: 33,083,868 km (0.068 R)
• M29: 34,147,509 km (0.036 R)
• M30: 38,500,957 km (0.074 R)
• M31: 39,545,449 km (0.029 R)
• M32: 41,827,565 km (0.115 R)
• M33: 42,376,888 km (0.074 R)
• M34: 51,519,711 km (0.108 R)
• M35: 52,468,611 km (0.067 R)
• M36: 53,590,296 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.7

Radius: 7.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.12 AU - 11.88 AU

Year: 22228 Days

Day: 19.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,169,655 km

• M1: 97,388 km (0.08 R)
• M2: 487,390 km (0.112 R)
• M3: 1,447,509 km (0.114 R)
• M4: 2,861,807 km (0.093 R)
• M5: 3,608,001 km (0.094 R)
• M6: 7,013,597 km (0.081 R)
• M7: 8,182,704 km (0.106 R)
• M8: 15,279,328 km (0.061 R)
• M9: 18,568,537 km (0.103 R)
• M10: 19,185,029 km (0.053 R)
• M11: 21,703,509 km (0.046 R)
• M12: 23,351,480 km (0.052 R)
• M13: 39,898,051 km (0.081 R)
• M14: 41,574,146 km (0.089 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: 314 - 10,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit