🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 13

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.6 AU - 0.8 AU

Year: 378 Days

Day: 11.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,453,224 km

• M1: 161,715 km (0.049 R)
• M2: 693,087 km (0.047 R)
• M3: 1,324,988 km (0.088 R)
• M4: 1,982,471 km (0.1 R)
• M5: 2,607,640 km (0.096 R)
• M6: 3,272,304 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 12.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.17 AU - 2.59 AU

Year: 2371 Days

Day: 6.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 116.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,453,224 km

• M1: 155,582 km (0.052 R)
• M2: 692,489 km (0.083 R)
• M3: 1,178,682 km (0.101 R)
• M4: 2,088,685 km (0.092 R)
• M5: 2,494,993 km (0.067 R)
• M6: 3,159,806 km (0.06 R)
• M7: 3,835,989 km (0.046 R)
• M8: 4,784,589 km (0.065 R)
• M9: 5,412,152 km (0.053 R)
• M10: 5,976,585 km (0.079 R)
• M11: 6,505,413 km (0.089 R)
• M12: 6,987,118 km (0.115 R)
• M13: 9,829,328 km (0.084 R)
• M14: 10,328,985 km (0.061 R)
• M15: 10,775,834 km (0.041 R)
• M16: 11,415,664 km (0.051 R)
• M17: 13,447,951 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 14.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.2 AU - 5.02 AU

Year: 5380 Days

Day: 8.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,453,224 km

• M1: 175,329 km (0.112 R)
• M2: 632,350 km (0.054 R)
• M3: 1,258,567 km (0.09 R)
• M4: 2,426,627 km (0.114 R)
• M5: 3,147,539 km (0.083 R)
• M6: 3,813,699 km (0.038 R)
• M7: 4,572,459 km (0.083 R)
• M8: 5,363,981 km (0.093 R)
• M9: 5,956,838 km (0.061 R)
• M10: 7,086,601 km (0.078 R)
• M11: 7,858,975 km (0.074 R)
• M12: 14,361,096 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958

Radius: 5.4

Gravity: 32.85 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.96 AU - 7.2 AU

Year: 9680 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,453,224 km

• M1: 67,169 km (0.081 R)
• M2: 236,963 km (0.055 R)
• M3: 473,776 km (0.115 R)
• M4: 987,944 km (0.116 R)
• M5: 1,318,556 km (0.08 R)
• M6: 1,597,705 km (0.11 R)
• M7: 2,181,137 km (0.072 R)
• M8: 3,394,824 km (0.112 R)
• M9: 3,811,305 km (0.082 R)
• M10: 5,001,805 km (0.098 R)
• M11: 6,192,604 km (0.086 R)
• M12: 6,382,444 km (0.119 R)
• M13: 7,433,069 km (0.08 R)
• M14: 10,608,733 km (0.064 R)
• M15: 12,431,733 km (0.069 R)
• M16: 18,975,592 km (0.107 R)
• M17: 19,947,829 km (0.063 R)
• M18: 21,554,510 km (0.117 R)
• M19: 25,118,829 km (0.069 R)
• M20: 26,092,262 km (0.059 R)
• M21: 27,394,811 km (0.055 R)
• M22: 31,227,658 km (0.098 R)
• M23: 31,450,409 km (0.111 R)
• M24: 33,972,180 km (0.114 R)
• M25: 47,730,846 km (0.115 R)
• M26: 49,221,739 km (0.052 R)
• M27: 51,051,470 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 15,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit