🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 12.7

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.53 AU - 0.63 AU

Year: 295 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,977,588 km

• M1: 157,975 km (0.115 R)
• M2: 597,793 km (0.119 R)
• M3: 1,177,335 km (0.106 R)
• M4: 2,201,333 km (0.041 R)
• M5: 2,832,935 km (0.118 R)
• M6: 3,322,419 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 9.8

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.79 AU - 0.89 AU

Year: 513 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,977,588 km

• M1: 121,922 km (0.054 R)
• M2: 555,906 km (0.101 R)
• M3: 866,172 km (0.095 R)
• M4: 1,375,702 km (0.116 R)
• M5: 1,692,700 km (0.111 R)
• M6: 2,397,904 km (0.089 R)
• M7: 2,931,071 km (0.082 R)
• M8: 3,700,154 km (0.106 R)
• M9: 4,520,848 km (0.083 R)
• M10: 6,132,914 km (0.103 R)
• M11: 6,559,867 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.9

Radius: 11.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.81 AU - 1.25 AU

Year: 697 Days

Day: 9.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,977,588 km

• M1: 147,952 km (0.086 R)
• M2: 569,519 km (0.107 R)
• M3: 1,509,143 km (0.042 R)
• M4: 2,046,200 km (0.065 R)
• M5: 2,503,371 km (0.077 R)
• M6: 3,066,906 km (0.104 R)
• M7: 3,498,945 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 8

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.15 AU - 1.33 AU

Year: 921 Days

Day: 13.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,977,588 km

• M1: 100,081 km (0.062 R)
• M2: 384,467 km (0.076 R)
• M3: 681,717 km (0.105 R)
• M4: 1,155,644 km (0.097 R)
• M5: 1,447,659 km (0.059 R)
• M6: 1,825,842 km (0.116 R)
• M7: 2,172,909 km (0.117 R)
• M8: 2,528,204 km (0.087 R)
• M9: 3,066,607 km (0.109 R)
• M10: 3,832,847 km (0.062 R)
• M11: 4,405,059 km (0.04 R)
• M12: 4,976,822 km (0.105 R)
• M13: 5,300,253 km (0.057 R)
• M14: 6,095,365 km (0.11 R)
• M15: 6,443,779 km (0.042 R)
• M16: 7,373,081 km (0.11 R)
• M17: 7,668,536 km (0.055 R)
• M18: 8,023,233 km (0.112 R)
• M19: 8,522,142 km (0.109 R)
• M20: 10,083,644 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106

Radius: 10.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3 AU - 3.26 AU

Year: 3693 Days

Day: 10.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,977,588 km

• M1: 125,662 km (0.109 R)
• M2: 512,672 km (0.102 R)
• M3: 1,016,667 km (0.049 R)
• M4: 1,755,830 km (0.094 R)
• M5: 2,078,812 km (0.093 R)
• M6: 3,298,035 km (0.055 R)
• M7: 3,662,605 km (0.041 R)
• M8: 4,232,722 km (0.095 R)
• M9: 4,901,125 km (0.068 R)
• M10: 6,668,175 km (0.089 R)
• M11: 9,500,063 km (0.119 R)
• M12: 11,989,073 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.1

Radius: 4.3

Gravity: 38.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.99 AU - 11.33 AU

Year: 20021 Days

Day: 18.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 45,977,588 km

• M1: 54,603 km (0.098 R)
• M2: 472,729 km (0.111 R)
• M3: 614,997 km (0.113 R)
• M4: 1,143,377 km (0.027 R)
• M5: 1,374,056 km (0.055 R)
• M6: 1,705,715 km (0.081 R)
• M7: 1,890,468 km (0.075 R)
• M8: 2,526,409 km (0.027 R)
• M9: 2,970,565 km (0.079 R)
• M10: 3,523,030 km (0.059 R)
• M11: 4,545,232 km (0.098 R)
• M12: 5,276,317 km (0.068 R)
• M13: 6,253,191 km (0.078 R)
• M14: 6,921,744 km (0.092 R)
• M15: 7,154,817 km (0.114 R)
• M16: 7,441,447 km (0.041 R)
• M17: 14,520,867 km (0.037 R)
• M18: 16,747,033 km (0.046 R)
• M19: 16,914,283 km (0.029 R)
• M20: 17,252,075 km (0.087 R)
• M21: 18,204,116 km (0.064 R)
• M22: 18,380,791 km (0.088 R)
• M23: 23,389,777 km (0.084 R)
• M24: 23,703,783 km (0.099 R)
• M25: 26,999,424 km (0.06 R)
• M26: 29,723,601 km (0.116 R)
• M27: 29,968,792 km (0.096 R)
• M28: 31,088,981 km (0.118 R)
• M29: 32,365,948 km (0.119 R)
• M30: 33,944,056 km (0.107 R)
• M31: 34,481,262 km (0.092 R)
• M32: 37,395,129 km (0.105 R)
• M33: 38,256,813 km (0.052 R)
• M34: 38,401,624 km (0.118 R)
• M35: 44,182,834 km (0.065 R)
• M36: 45,958,560 km (0.104 R)
• M37: 48,625,591 km (0.115 R)
• M38: 65,777,436 km (0.115 R)
• M39: 69,588,591 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144

Radius: 4.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.75 AU - 9.87 AU

Year: 20490 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,977,588 km

• M1: 60,886 km (0.094 R)
• M2: 315,502 km (0.051 R)
• M3: 543,190 km (0.086 R)
• M4: 984,952 km (0.104 R)
• M5: 1,442,123 km (0.072 R)
• M6: 2,293,784 km (0.082 R)
• M7: 2,977,596 km (0.069 R)
• M8: 3,788,566 km (0.06 R)
• M9: 5,266,892 km (0.081 R)
• M10: 6,629,579 km (0.1 R)
• M11: 9,635,898 km (0.028 R)
• M12: 10,483,071 km (0.104 R)
• M13: 11,707,081 km (0.1 R)
• M14: 11,929,233 km (0.1 R)
• M15: 13,321,840 km (0.106 R)
• M16: 15,742,932 km (0.109 R)
• M17: 17,414,389 km (0.097 R)
• M18: 18,292,828 km (0.057 R)
• M19: 22,357,551 km (0.086 R)
• M20: 23,482,228 km (0.073 R)
• M21: 23,747,016 km (0.114 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: 342 - 13,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit