🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.52 AU - 0.52 AU

Year: 246 Days

Day: 22.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,591,273 km

• M1: 412,890 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.2

Radius: 10.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.91 AU - 1.09 AU

Year: 656 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,591,273 km

• M1: 133,441 km (0.096 R)
• M2: 532,120 km (0.106 R)
• M3: 1,045,839 km (0.057 R)
• M4: 1,522,009 km (0.119 R)
• M5: 2,140,446 km (0.078 R)
• M6: 3,141,705 km (0.11 R)
• M7: 3,578,979 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 13.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.45 AU - 1.67 AU

Year: 1278 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,591,273 km

• M1: 171,738 km (0.092 R)
• M2: 656,286 km (0.119 R)
• M3: 1,098,497 km (0.08 R)
• M4: 1,587,383 km (0.1 R)
• M5: 2,060,112 km (0.103 R)
• M6: 2,717,445 km (0.118 R)
• M7: 4,152,986 km (0.099 R)
• M8: 4,679,571 km (0.106 R)
• M9: 5,500,415 km (0.056 R)
• M10: 6,069,335 km (0.098 R)
• M11: 6,701,685 km (0.08 R)
• M12: 7,300,226 km (0.093 R)
• M13: 9,013,272 km (0.074 R)
• M14: 9,932,551 km (0.092 R)
• M15: 10,712,255 km (0.101 R)
• M16: 12,430,685 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 8

Gravity: 15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.7 AU - 1.72 AU

Year: 1467 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,591,273 km

• M1: 99,632 km (0.071 R)
• M2: 351,106 km (0.077 R)
• M3: 932,144 km (0.058 R)
• M4: 1,618,649 km (0.053 R)
• M5: 2,008,202 km (0.12 R)
• M6: 2,281,068 km (0.035 R)
• M7: 2,858,516 km (0.111 R)
• M8: 3,631,638 km (0.107 R)
• M9: 4,862,978 km (0.117 R)
• M10: 5,182,818 km (0.108 R)
• M11: 5,794,075 km (0.084 R)
• M12: 6,503,019 km (0.091 R)
• M13: 7,801,828 km (0.066 R)
• M14: 10,867,537 km (0.062 R)
• M15: 12,252,514 km (0.034 R)
• M16: 12,566,820 km (0.081 R)
• M17: 14,610,775 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 12.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.38 AU - 5.56 AU

Year: 8392 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,591,273 km

• M1: 155,432 km (0.102 R)
• M2: 635,641 km (0.085 R)
• M3: 1,033,123 km (0.069 R)
• M4: 1,435,990 km (0.047 R)
• M5: 1,866,533 km (0.042 R)
• M6: 3,108,345 km (0.076 R)
• M7: 3,523,030 km (0.044 R)
• M8: 5,290,828 km (0.06 R)
• M9: 5,827,435 km (0.087 R)
• M10: 7,278,684 km (0.103 R)
• M11: 10,530,643 km (0.093 R)
• M12: 13,634,799 km (0.045 R)
• M13: 14,592,225 km (0.041 R)
• M14: 17,796,163 km (0.12 R)
• M15: 19,004,315 km (0.111 R)
• M16: 25,008,126 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.6

Radius: 3.5

Gravity: 26.09 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.03 AU - 6.67 AU

Year: 10497 Days

Day: 18 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,591,273 km

• M1: 43,683 km (0.1 R)
• M2: 364,420 km (0.058 R)
• M3: 621,579 km (0.079 R)
• M4: 867,518 km (0.106 R)
• M5: 1,121,086 km (0.07 R)
• M6: 1,632,262 km (0.082 R)
• M7: 1,847,982 km (0.103 R)
• M8: 2,407,329 km (0.072 R)
• M9: 3,008,712 km (0.057 R)
• M10: 3,222,488 km (0.107 R)
• M11: 3,469,175 km (0.082 R)
• M12: 4,780,699 km (0.096 R)
• M13: 4,895,740 km (0.068 R)
• M14: 7,035,139 km (0.116 R)
• M15: 7,221,688 km (0.107 R)
• M16: 7,880,965 km (0.035 R)
• M17: 9,184,711 km (0.064 R)
• M18: 9,407,612 km (0.107 R)
• M19: 10,871,277 km (0.12 R)
• M20: 11,631,085 km (0.033 R)
• M21: 12,371,744 km (0.053 R)
• M22: 15,586,004 km (0.067 R)
• M23: 26,360,192 km (0.052 R)
• M24: 30,301,647 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.9

Radius: 4.2

Gravity: 27.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.98 AU - 10.46 AU

Year: 16892 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,591,273 km

• M1: 54,603 km (0.095 R)
• M2: 339,288 km (0.11 R)
• M3: 1,067,979 km (0.073 R)
• M4: 1,352,963 km (0.086 R)
• M5: 1,873,265 km (0.112 R)
• M6: 2,692,612 km (0.109 R)
• M7: 3,374,180 km (0.114 R)
• M8: 3,643,307 km (0.081 R)
• M9: 4,899,181 km (0.095 R)
• M10: 7,350,491 km (0.077 R)
• M11: 8,663,063 km (0.078 R)
• M12: 10,069,582 km (0.098 R)
• M13: 11,029,253 km (0.118 R)
• M14: 11,681,799 km (0.081 R)
• M15: 13,524,844 km (0.1 R)
• M16: 18,588,134 km (0.109 R)
• M17: 20,113,284 km (0.116 R)
• M18: 23,217,889 km (0.097 R)
• M19: 28,891,837 km (0.119 R)
• M20: 39,780,019 km (0.085 R)
• M21: 45,974,118 km (0.027 R)
• M22: 48,590,286 km (0.083 R)
• M23: 57,731,613 km (0.105 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: 426 - 16,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit