🌌 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: 397

Radius: 9.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.43 AU - 0.67 AU

Year: 282 Days

Day: 5.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,615,500 km

• M1: 120,576 km (0.101 R)
• M2: 442,361 km (0.079 R)
• M3: 749,037 km (0.097 R)
• M4: 1,187,209 km (0.1 R)
• M5: 1,541,307 km (0.09 R)
• M6: 1,864,737 km (0.085 R)
• M7: 2,333,428 km (0.102 R)
• M8: 2,651,473 km (0.087 R)
• M9: 3,286,216 km (0.104 R)
• M10: 3,687,887 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 10.2

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.68 AU - 0.88 AU

Year: 476 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,615,500 km

• M1: 126,859 km (0.108 R)
• M2: 525,837 km (0.098 R)
• M3: 846,126 km (0.067 R)
• M4: 1,265,897 km (0.108 R)
• M5: 1,674,000 km (0.097 R)
• M6: 2,339,412 km (0.095 R)
• M7: 2,815,731 km (0.081 R)
• M8: 3,469,474 km (0.112 R)
• M9: 4,076,991 km (0.031 R)
• M10: 4,474,772 km (0.107 R)
• M11: 4,865,970 km (0.108 R)
• M12: 6,047,344 km (0.049 R)
• M13: 6,805,955 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 10.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.03 AU - 1.17 AU

Year: 796 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,615,500 km

• M1: 133,142 km (0.116 R)
• M2: 501,452 km (0.081 R)
• M3: 875,896 km (0.085 R)
• M4: 1,280,259 km (0.066 R)
• M5: 1,644,679 km (0.114 R)
• M6: 2,148,674 km (0.054 R)
• M7: 2,913,568 km (0.092 R)
• M8: 3,335,733 km (0.104 R)
• M9: 3,944,148 km (0.072 R)
• M10: 4,477,165 km (0.119 R)
• M11: 5,218,722 km (0.115 R)
• M12: 5,705,064 km (0.102 R)
• M13: 6,166,723 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 11.2

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.52 AU - 2.36 AU

Year: 1865 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,615,500 km

• M1: 139,276 km (0.103 R)
• M2: 503,846 km (0.096 R)
• M3: 1,067,530 km (0.1 R)
• M4: 2,431,863 km (0.113 R)
• M5: 3,330,198 km (0.069 R)
• M6: 4,120,225 km (0.059 R)
• M7: 5,255,672 km (0.092 R)
• M8: 7,079,570 km (0.111 R)
• M9: 8,895,239 km (0.12 R)
• M10: 9,667,314 km (0.114 R)
• M11: 11,268,460 km (0.079 R)
• M12: 11,813,145 km (0.103 R)
• M13: 15,082,308 km (0.036 R)
• M14: 16,524,282 km (0.06 R)

Asteroid Belt

Center: 2.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 13.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.78 AU - 3.26 AU

Year: 3623 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,615,500 km

• M1: 171,738 km (0.031 R)
• M2: 848,968 km (0.116 R)
• M3: 1,788,293 km (0.103 R)
• M4: 2,239,181 km (0.031 R)
• M5: 2,907,584 km (0.047 R)
• M6: 3,466,931 km (0.084 R)
• M7: 4,097,486 km (0.11 R)
• M8: 4,781,298 km (0.053 R)
• M9: 5,490,691 km (0.085 R)
• M10: 6,269,198 km (0.062 R)
• M11: 7,031,698 km (0.103 R)
• M12: 7,950,678 km (0.074 R)
• M13: 9,263,250 km (0.11 R)
• M14: 10,444,624 km (0.115 R)
• M15: 11,151,923 km (0.081 R)
• M16: 13,835,559 km (0.1 R)
• M17: 14,401,039 km (0.104 R)
• M18: 18,403,380 km (0.117 R)
• M19: 19,030,046 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 13.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.25 AU - 3.57 AU

Year: 4347 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,615,500 km

• M1: 172,935 km (0.026 R)
• M2: 614,548 km (0.089 R)
• M3: 1,406,968 km (0.089 R)
• M4: 1,997,580 km (0.106 R)
• M5: 2,480,781 km (0.117 R)
• M6: 3,900,316 km (0.101 R)
• M7: 4,445,450 km (0.076 R)
• M8: 5,974,640 km (0.091 R)
• M9: 9,943,471 km (0.083 R)
• M10: 11,261,279 km (0.061 R)
• M11: 12,215,564 km (0.089 R)
• M12: 14,025,249 km (0.093 R)
• M13: 15,312,090 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 12.1

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.28 AU - 6.72 AU

Year: 8903 Days

Day: 6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,615,500 km

• M1: 151,094 km (0.108 R)
• M2: 580,589 km (0.09 R)
• M3: 959,521 km (0.074 R)
• M4: 1,473,988 km (0.087 R)
• M5: 1,937,592 km (0.059 R)
• M6: 2,385,338 km (0.109 R)
• M7: 3,256,895 km (0.092 R)
• M8: 5,010,481 km (0.119 R)
• M9: 6,181,683 km (0.094 R)
• M10: 7,776,696 km (0.07 R)
• M11: 9,059,946 km (0.104 R)
• M12: 9,826,037 km (0.066 R)
• M13: 11,162,245 km (0.1 R)
• M14: 12,442,354 km (0.1 R)
• M15: 15,028,901 km (0.039 R)
• M16: 20,025,171 km (0.073 R)
• M17: 20,586,911 km (0.11 R)
• M18: 21,658,032 km (0.093 R)
• M19: 22,335,261 km (0.105 R)
• M20: 25,747,439 km (0.12 R)
• M21: 27,774,939 km (0.095 R)
• M22: 29,184,450 km (0.067 R)
• M23: 30,535,469 km (0.111 R)
• M24: 34,838,651 km (0.102 R)
• M25: 40,669,528 km (0.096 R)
• M26: 41,312,050 km (0.102 R)
• M27: 45,585,314 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.1

Radius: 7.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.55 AU - 11.39 AU

Year: 21730 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 93 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,615,500 km

• M1: 104,270 km (0.036 R)
• M2: 1,213,538 km (0.078 R)
• M3: 2,007,304 km (0.11 R)
• M4: 2,847,296 km (0.094 R)
• M5: 3,651,235 km (0.074 R)
• M6: 4,409,397 km (0.077 R)
• M7: 4,892,000 km (0.045 R)
• M8: 5,962,822 km (0.106 R)
• M9: 7,138,960 km (0.101 R)
• M10: 13,670,253 km (0.11 R)
• M11: 14,625,137 km (0.109 R)
• M12: 16,065,166 km (0.107 R)
• M13: 17,283,640 km (0.119 R)
• M14: 26,741,218 km (0.076 R)
• M15: 27,585,997 km (0.086 R)
• M16: 34,250,432 km (0.101 R)
• M17: 37,296,245 km (0.11 R)
• M18: 42,054,654 km (0.111 R)
• M19: 53,415,715 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 18,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit