🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.7

Radius: 9.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.76 AU - 0.86 AU

Year: 494 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,556,690 km

• M1: 114,442 km (0.112 R)
• M2: 416,032 km (0.112 R)
• M3: 762,650 km (0.086 R)
• M4: 1,136,944 km (0.098 R)
• M5: 1,777,073 km (0.061 R)
• M6: 2,298,422 km (0.101 R)
• M7: 2,648,331 km (0.066 R)
• M8: 3,188,978 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.7

Radius: 12.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.95 AU - 1.27 AU

Year: 793 Days

Day: 14.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,556,690 km

• M1: 159,322 km (0.057 R)
• M2: 578,046 km (0.061 R)
• M3: 1,123,181 km (0.096 R)
• M4: 1,568,833 km (0.108 R)
• M5: 2,918,505 km (0.064 R)
• M6: 3,523,778 km (0.108 R)
• M7: 4,008,774 km (0.077 R)
• M8: 5,260,609 km (0.055 R)
• M9: 6,140,693 km (0.102 R)
• M10: 6,758,233 km (0.076 R)
• M11: 7,871,391 km (0.12 R)
• M12: 8,369,851 km (0.099 R)
• M13: 8,969,140 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.6

Radius: 9.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.52 AU - 2.26 AU

Year: 1762 Days

Day: 12.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,556,690 km

• M1: 116,088 km (0.086 R)
• M2: 1,052,122 km (0.087 R)
• M3: 1,918,892 km (0.11 R)
• M4: 3,897,773 km (0.061 R)
• M5: 4,440,813 km (0.031 R)
• M6: 5,033,520 km (0.094 R)
• M7: 5,898,494 km (0.1 R)
• M8: 6,900,651 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.1

Radius: 9.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.75 AU - 3.36 AU

Year: 3613 Days

Day: 11.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,556,690 km

• M1: 128,505 km (0.042 R)
• M2: 733,030 km (0.065 R)
• M3: 1,409,511 km (0.111 R)
• M4: 2,107,385 km (0.09 R)
• M5: 2,935,858 km (0.113 R)
• M6: 3,396,769 km (0.119 R)
• M7: 3,824,170 km (0.088 R)
• M8: 7,567,109 km (0.116 R)
• M9: 9,941,676 km (0.116 R)
• M10: 11,574,986 km (0.098 R)
• M11: 12,053,848 km (0.112 R)
• M12: 15,469,766 km (0.115 R)
• M13: 17,370,108 km (0.086 R)
• M14: 20,098,025 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 11.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.64 AU - 4 AU

Year: 4103 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,556,690 km

• M1: 139,874 km (0.119 R)
• M2: 574,456 km (0.08 R)
• M3: 987,047 km (0.073 R)
• M4: 1,467,406 km (0.062 R)
• M5: 1,937,292 km (0.06 R)
• M6: 2,603,901 km (0.103 R)
• M7: 3,110,589 km (0.038 R)
• M8: 4,161,962 km (0.101 R)
• M9: 4,536,555 km (0.085 R)
• M10: 5,088,871 km (0.12 R)
• M11: 5,741,865 km (0.115 R)
• M12: 8,256,306 km (0.052 R)
• M13: 9,315,459 km (0.079 R)
• M14: 10,851,082 km (0.103 R)
• M15: 13,136,039 km (0.119 R)
• M16: 13,741,312 km (0.113 R)
• M17: 14,312,327 km (0.078 R)
• M18: 21,960,219 km (0.11 R)
• M19: 25,349,359 km (0.111 R)
• M20: 25,815,805 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 13

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.68 AU - 3.72 AU

Year: 4827 Days

Day: 9.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,556,690 km

• M1: 161,715 km (0.065 R)
• M2: 565,929 km (0.076 R)
• M3: 1,001,259 km (0.077 R)
• M4: 1,585,737 km (0.029 R)
• M5: 2,038,121 km (0.103 R)
• M6: 2,458,940 km (0.082 R)
• M7: 3,609,497 km (0.09 R)
• M8: 4,088,360 km (0.113 R)
• M9: 4,819,595 km (0.105 R)
• M10: 5,489,494 km (0.06 R)
• M11: 7,474,059 km (0.119 R)
• M12: 8,848,864 km (0.053 R)
• M13: 9,301,098 km (0.09 R)
• M14: 11,361,659 km (0.061 R)
• M15: 15,173,263 km (0.041 R)
• M16: 17,687,405 km (0.114 R)
• M17: 21,924,615 km (0.031 R)
• M18: 22,374,755 km (0.031 R)
• M19: 23,762,724 km (0.066 R)
• M20: 26,880,194 km (0.05 R)
• M21: 28,006,517 km (0.077 R)
• M22: 29,526,730 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 10.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.55 AU - 5.31 AU

Year: 7424 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,556,690 km

• M1: 165,006 km (0.114 R)
• M2: 658,979 km (0.067 R)
• M3: 1,052,421 km (0.116 R)
• M4: 1,442,871 km (0.11 R)
• M5: 1,956,740 km (0.093 R)
• M6: 2,937,803 km (0.068 R)
• M7: 4,286,877 km (0.092 R)
• M8: 5,383,279 km (0.057 R)
• M9: 8,439,564 km (0.055 R)
• M10: 9,518,314 km (0.079 R)
• M11: 10,855,121 km (0.12 R)
• M12: 11,327,401 km (0.062 R)
• M13: 12,451,928 km (0.096 R)
• M14: 14,098,702 km (0.086 R)
• M15: 15,027,106 km (0.067 R)
• M16: 15,831,494 km (0.078 R)
• M17: 16,607,907 km (0.114 R)
• M18: 17,120,280 km (0.033 R)
• M19: 18,843,348 km (0.091 R)
• M20: 23,687,925 km (0.104 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: 207 - 18,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit