🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 12.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.57 AU - 0.69 AU

Year: 339 Days

Day: 5.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,249,179 km

• M1: 151,842 km (0.081 R)
• M2: 1,354,609 km (0.108 R)
• M3: 2,053,380 km (0.084 R)
• M4: 2,494,844 km (0.101 R)
• M5: 3,176,412 km (0.062 R)
• M6: 3,660,361 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 14.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.14 AU - 1.88 AU

Year: 1259 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,249,179 km

• M1: 182,809 km (0.118 R)
• M2: 691,890 km (0.12 R)
• M3: 1,192,594 km (0.116 R)
• M4: 1,704,069 km (0.116 R)
• M5: 2,322,956 km (0.106 R)
• M6: 4,748,386 km (0.067 R)
• M7: 5,243,555 km (0.097 R)
• M8: 6,071,579 km (0.086 R)
• M9: 6,570,638 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 13

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.48 AU - 3.04 AU

Year: 3110 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,249,179 km

• M1: 161,715 km (0.082 R)
• M2: 592,108 km (0.104 R)
• M3: 1,017,565 km (0.06 R)
• M4: 1,465,461 km (0.071 R)
• M5: 2,423,486 km (0.117 R)
• M6: 2,879,909 km (0.085 R)
• M7: 3,526,919 km (0.054 R)
• M8: 4,701,711 km (0.051 R)
• M9: 5,709,104 km (0.033 R)
• M10: 6,379,751 km (0.105 R)
• M11: 10,068,685 km (0.091 R)
• M12: 12,047,565 km (0.095 R)
• M13: 13,105,222 km (0.108 R)
• M14: 13,975,433 km (0.075 R)
• M15: 14,883,642 km (0.103 R)
• M16: 15,352,481 km (0.034 R)
• M17: 17,729,442 km (0.045 R)
• M18: 18,854,268 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.4

Radius: 14.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.61 AU - 3.71 AU

Year: 4749 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,249,179 km

• M1: 175,777 km (0.056 R)
• M2: 616,343 km (0.12 R)
• M3: 1,558,959 km (0.109 R)
• M4: 2,450,563 km (0.063 R)
• M5: 3,257,344 km (0.116 R)
• M6: 3,702,846 km (0.085 R)
• M7: 4,794,013 km (0.069 R)
• M8: 5,429,056 km (0.061 R)
• M9: 7,401,055 km (0.098 R)
• M10: 8,215,017 km (0.102 R)
• M11: 8,815,803 km (0.06 R)
• M12: 11,844,112 km (0.112 R)
• M13: 13,108,962 km (0.08 R)
• M14: 13,567,180 km (0.115 R)
• M15: 14,678,244 km (0.079 R)
• M16: 21,301,241 km (0.086 R)
• M17: 24,294,096 km (0.109 R)
• M18: 25,851,410 km (0.1 R)
• M19: 26,654,601 km (0.05 R)
• M20: 28,395,321 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.5

Radius: 10.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.73 AU - 4.47 AU

Year: 5631 Days

Day: 11.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,249,179 km

• M1: 135,536 km (0.083 R)
• M2: 543,788 km (0.099 R)
• M3: 1,128,118 km (0.12 R)
• M4: 1,472,641 km (0.07 R)
• M5: 1,972,897 km (0.081 R)
• M6: 2,367,536 km (0.086 R)
• M7: 3,177,309 km (0.053 R)
• M8: 3,570,901 km (0.12 R)
• M9: 4,067,417 km (0.073 R)
• M10: 4,952,288 km (0.112 R)
• M11: 6,336,517 km (0.092 R)
• M12: 7,416,614 km (0.118 R)
• M13: 8,113,740 km (0.085 R)
• M14: 8,853,950 km (0.049 R)
• M15: 9,982,516 km (0.099 R)
• M16: 10,878,608 km (0.092 R)
• M17: 11,346,251 km (0.069 R)
• M18: 11,974,262 km (0.086 R)
• M19: 13,458,872 km (0.089 R)
• M20: 13,943,718 km (0.1 R)
• M21: 15,005,414 km (0.087 R)
• M22: 17,101,131 km (0.053 R)
• M23: 17,479,015 km (0.114 R)
• M24: 18,779,170 km (0.076 R)
• M25: 19,934,215 km (0.114 R)
• M26: 21,938,977 km (0.111 R)
• M27: 23,219,684 km (0.045 R)
• M28: 23,917,558 km (0.093 R)
• M29: 29,111,147 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.6

Radius: 7.2

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.9 AU - 9.18 AU

Year: 14043 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,249,179 km

• M1: 102,325 km (0.106 R)
• M2: 439,070 km (0.063 R)
• M3: 731,833 km (0.085 R)
• M4: 1,093,411 km (0.086 R)
• M5: 2,724,626 km (0.109 R)
• M6: 3,411,131 km (0.104 R)
• M7: 3,654,676 km (0.088 R)
• M8: 6,945,081 km (0.076 R)
• M9: 8,606,066 km (0.055 R)
• M10: 12,246,979 km (0.098 R)
• M11: 13,546,237 km (0.094 R)
• M12: 15,078,717 km (0.102 R)
• M13: 17,669,154 km (0.071 R)
• M14: 21,079,537 km (0.12 R)
• M15: 21,718,320 km (0.116 R)
• M16: 22,748,151 km (0.099 R)
• M17: 24,204,337 km (0.103 R)
• M18: 29,619,780 km (0.081 R)
• M19: 32,547,410 km (0.041 R)
• M20: 33,770,523 km (0.09 R)
• M21: 38,698,426 km (0.061 R)
• M22: 42,189,442 km (0.079 R)
• M23: 42,912,000 km (0.06 R)
• M24: 47,576,910 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.8

Radius: 3

Gravity: 41.53 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.71 AU - 9.41 AU

Year: 14099 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,249,179 km

• M1: 37,250 km (0.098 R)
• M2: 292,165 km (0.094 R)
• M3: 1,300,753 km (0.062 R)
• M4: 2,023,162 km (0.077 R)
• M5: 2,509,953 km (0.082 R)
• M6: 3,895,678 km (0.077 R)
• M7: 5,970,002 km (0.056 R)
• M8: 7,530,906 km (0.083 R)
• M9: 8,679,668 km (0.029 R)
• M10: 9,247,243 km (0.116 R)
• M11: 10,093,069 km (0.071 R)
• M12: 10,351,425 km (0.069 R)
• M13: 16,989,381 km (0.079 R)
• M14: 17,576,403 km (0.108 R)
• M15: 22,679,636 km (0.098 R)
• M16: 23,480,882 km (0.104 R)
• M17: 29,729,286 km (0.098 R)
• M18: 32,443,440 km (0.056 R)
• M19: 41,964,447 km (0.115 R)
• M20: 43,713,096 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 17,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit