🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 12.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.58 AU - 0.64 AU

Year: 329 Days

Day: 5.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,599,250 km

• M1: 157,975 km (0.084 R)
• M2: 678,576 km (0.096 R)
• M3: 1,079,648 km (0.114 R)
• M4: 1,770,192 km (0.114 R)
• M5: 2,280,021 km (0.101 R)
• M6: 2,750,207 km (0.1 R)
• M7: 3,543,226 km (0.117 R)
• M8: 4,243,643 km (0.091 R)
• M9: 4,732,379 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 14.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.27 AU - 1.67 AU

Year: 1230 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,599,250 km

• M1: 185,352 km (0.111 R)
• M2: 663,467 km (0.056 R)
• M3: 1,187,059 km (0.088 R)
• M4: 1,773,184 km (0.109 R)
• M5: 2,409,573 km (0.082 R)
• M6: 2,941,393 km (0.053 R)
• M7: 4,230,478 km (0.093 R)
• M8: 5,012,426 km (0.1 R)
• M9: 5,631,612 km (0.101 R)
• M10: 6,343,698 km (0.081 R)
• M11: 6,911,272 km (0.078 R)
• M12: 7,728,675 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.4

Radius: 10.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.63 AU - 1.69 AU

Year: 1476 Days

Day: 5.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,599,250 km

• M1: 128,056 km (0.065 R)
• M2: 663,467 km (0.06 R)
• M3: 1,353,412 km (0.074 R)
• M4: 1,685,220 km (0.091 R)
• M5: 2,103,496 km (0.054 R)
• M6: 2,424,084 km (0.119 R)
• M7: 2,816,180 km (0.105 R)
• M8: 3,605,458 km (0.078 R)
• M9: 4,289,270 km (0.088 R)
• M10: 5,233,532 km (0.047 R)
• M11: 6,198,887 km (0.117 R)
• M12: 6,630,776 km (0.108 R)
• M13: 7,131,330 km (0.056 R)
• M14: 7,916,420 km (0.081 R)
• M15: 8,397,976 km (0.12 R)
• M16: 9,273,273 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.9

Radius: 8

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.83 AU - 2.95 AU

Year: 2550 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,599,250 km

• M1: 99,483 km (0.105 R)
• M2: 426,055 km (0.119 R)
• M3: 706,850 km (0.117 R)
• M4: 1,052,571 km (0.026 R)
• M5: 1,945,969 km (0.069 R)
• M6: 2,220,631 km (0.12 R)
• M7: 2,478,687 km (0.04 R)
• M8: 2,927,331 km (0.041 R)
• M9: 3,341,867 km (0.09 R)
• M10: 3,645,551 km (0.063 R)
• M11: 4,026,576 km (0.079 R)
• M12: 5,189,401 km (0.044 R)
• M13: 7,450,872 km (0.098 R)
• M14: 9,679,281 km (0.096 R)
• M15: 10,040,859 km (0.118 R)
• M16: 11,902,755 km (0.108 R)
• M17: 12,614,092 km (0.053 R)
• M18: 16,296,145 km (0.118 R)
• M19: 16,808,218 km (0.051 R)
• M20: 18,408,616 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 8.2

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.44 AU - 3.66 AU

Year: 4617 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,599,250 km

• M1: 103,073 km (0.098 R)
• M2: 381,624 km (0.068 R)
• M3: 1,573,919 km (0.037 R)
• M4: 1,913,207 km (0.077 R)
• M5: 2,797,480 km (0.047 R)
• M6: 3,735,010 km (0.106 R)
• M7: 4,441,262 km (0.094 R)
• M8: 5,145,868 km (0.118 R)
• M9: 5,994,985 km (0.07 R)
• M10: 6,542,513 km (0.062 R)
• M11: 8,446,894 km (0.057 R)
• M12: 8,912,144 km (0.108 R)
• M13: 9,625,277 km (0.083 R)
• M14: 11,091,635 km (0.082 R)
• M15: 13,519,908 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 9.2

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.71 AU - 5.25 AU

Year: 6545 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,599,250 km

• M1: 114,442 km (0.091 R)
• M2: 436,826 km (0.063 R)
• M3: 1,025,643 km (0.037 R)
• M4: 1,354,010 km (0.065 R)
• M5: 1,839,007 km (0.095 R)
• M6: 2,163,484 km (0.091 R)
• M7: 3,603,813 km (0.111 R)
• M8: 5,853,316 km (0.113 R)
• M9: 6,492,996 km (0.088 R)
• M10: 7,831,897 km (0.108 R)
• M11: 9,616,301 km (0.086 R)
• M12: 10,031,285 km (0.101 R)
• M13: 10,506,558 km (0.057 R)
• M14: 13,055,257 km (0.066 R)
• M15: 13,393,198 km (0.109 R)
• M16: 18,407,569 km (0.071 R)
• M17: 18,761,667 km (0.086 R)
• M18: 20,524,828 km (0.112 R)
• M19: 24,890,842 km (0.04 R)
• M20: 26,473,737 km (0.119 R)
• M21: 28,498,095 km (0.093 R)
• M22: 30,921,431 km (0.083 R)
• M23: 36,395,816 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.7

Radius: 6.5

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.03 AU - 9.97 AU

Year: 20211 Days

Day: 15 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,599,250 km

• M1: 80,783 km (0.106 R)
• M2: 368,310 km (0.107 R)
• M3: 580,440 km (0.068 R)
• M4: 1,125,724 km (0.069 R)
• M5: 1,477,279 km (0.104 R)
• M6: 1,783,207 km (0.12 R)
• M7: 2,692,762 km (0.101 R)
• M8: 3,907,197 km (0.07 R)
• M9: 5,006,293 km (0.096 R)
• M10: 6,414,607 km (0.079 R)
• M11: 8,114,488 km (0.085 R)
• M12: 9,418,832 km (0.114 R)
• M13: 12,314,298 km (0.097 R)
• M14: 14,430,959 km (0.112 R)
• M15: 15,047,900 km (0.063 R)
• M16: 18,161,032 km (0.114 R)
• M17: 19,369,484 km (0.097 R)
• M18: 20,802,930 km (0.072 R)
• M19: 21,413,290 km (0.058 R)
• M20: 23,690,468 km (0.091 R)
• M21: 24,069,250 km (0.083 R)
• M22: 26,325,934 km (0.076 R)
• M23: 27,246,260 km (0.113 R)
• M24: 35,270,540 km (0.108 R)
• M25: 35,888,679 km (0.083 R)
• M26: 37,915,132 km (0.119 R)
• M27: 39,087,829 km (0.112 R)
• M28: 45,461,596 km (0.086 R)
• M29: 48,284,807 km (0.036 R)
• M30: 50,594,449 km (0.075 R)
• M31: 53,787,166 km (0.032 R)
• M32: 55,432,893 km (0.026 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 13,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit