🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.41 AU - 0.65 AU

Year: 253 Days

Day: 37.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.5 AU - 0.8 AU

Year: 344 Days

Day: 44.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,881,326 km

• M1: 132,544 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 11.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.7 AU - 1.06 AU

Year: 542 Days

Day: 12.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 23,881,326 km

• M1: 305,479 km (0.086 R)
• M2: 465,249 km (0.114 R)
• M3: 568,472 km (0.082 R)
• M4: 649,704 km (0.11 R)
• M5: 749,485 km (0.055 R)
• M6: 850,314 km (0.061 R)
• M7: 1,050,775 km (0.092 R)
• M8: 1,132,306 km (0.102 R)
• M9: 1,261,708 km (0.062 R)
• M10: 1,337,106 km (0.11 R)
• M11: 1,450,351 km (0.117 R)
• M12: 1,567,038 km (0.037 R)
• M13: 1,661,284 km (0.092 R)
• M14: 1,796,820 km (0.088 R)
• M15: 2,003,714 km (0.076 R)
• M16: 2,183,531 km (0.043 R)
• M17: 2,261,172 km (0.046 R)
• M18: 2,507,410 km (0.057 R)
• M19: 2,641,300 km (0.049 R)
• M20: 2,747,215 km (0.116 R)
• M21: 2,839,068 km (0.1 R)
• M22: 2,978,942 km (0.101 R)
• M23: 3,073,488 km (0.103 R)
• M24: 3,177,010 km (0.1 R)
• M25: 3,298,035 km (0.085 R)
• M26: 3,486,678 km (0.057 R)
• M27: 3,603,214 km (0.084 R)
• M28: 3,687,288 km (0.112 R)
• M29: 3,763,434 km (0.11 R)
• M30: 3,840,177 km (0.114 R)
• M31: 3,960,753 km (0.07 R)
• M32: 4,108,706 km (0.104 R)
• M33: 4,320,985 km (0.098 R)
• M34: 4,419,420 km (0.09 R)
• M35: 4,536,705 km (0.104 R)
• M36: 4,618,535 km (0.049 R)
• M37: 4,895,142 km (0.086 R)
• M38: 5,044,739 km (0.091 R)
• M39: 5,291,277 km (0.119 R)
• M40: 5,454,638 km (0.065 R)
• M41: 5,885,330 km (0.097 R)
• M42: 5,964,916 km (0.034 R)
• M43: 6,124,986 km (0.073 R)
• M44: 6,347,438 km (0.116 R)
• M45: 6,521,270 km (0.111 R)
• M46: 6,655,160 km (0.115 R)
• M47: 6,748,510 km (0.118 R)
• M48: 6,915,311 km (0.11 R)
• M49: 7,020,478 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.8

Radius: 4.3

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.08 AU - 8.8 AU

Year: 13313 Days

Day: 19.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 23,881,326 km

• M1: 80,932 km (0.09 R)
• M2: 251,324 km (0.088 R)
• M3: 412,441 km (0.119 R)
• M4: 542,891 km (0.11 R)
• M5: 644,019 km (0.057 R)
• M6: 784,491 km (0.071 R)
• M7: 841,189 km (0.068 R)
• M8: 1,521,560 km (0.096 R)
• M9: 1,723,667 km (0.057 R)
• M10: 2,184,727 km (0.111 R)
• M11: 3,014,098 km (0.077 R)
• M12: 3,267,217 km (0.096 R)
• M13: 3,871,294 km (0.116 R)
• M14: 4,146,255 km (0.09 R)
• M15: 4,286,129 km (0.076 R)
• M16: 4,386,958 km (0.075 R)
• M17: 4,447,844 km (0.097 R)
• M18: 5,178,929 km (0.097 R)
• M19: 5,459,724 km (0.079 R)
• M20: 6,539,222 km (0.096 R)
• M21: 6,632,122 km (0.117 R)
• M22: 7,511,758 km (0.052 R)
• M23: 8,101,622 km (0.106 R)
• M24: 8,427,446 km (0.103 R)
• M25: 8,579,139 km (0.105 R)
• M26: 8,911,096 km (0.092 R)
• M27: 9,693,194 km (0.12 R)
• M28: 9,878,845 km (0.12 R)
• M29: 11,349,841 km (0.114 R)
• M30: 11,601,614 km (0.057 R)
• M31: 12,053,699 km (0.091 R)
• M32: 12,858,685 km (0.112 R)
• M33: 13,651,254 km (0.061 R)
• M34: 14,218,380 km (0.118 R)
• M35: 15,499,237 km (0.099 R)
• M36: 15,778,387 km (0.09 R)
• M37: 15,965,534 km (0.08 R)
• M38: 16,436,318 km (0.096 R)
• M39: 17,231,281 km (0.081 R)
• M40: 17,520,603 km (0.105 R)
• M41: 18,103,886 km (0.102 R)
• M42: 18,430,607 km (0.054 R)
• M43: 19,723,731 km (0.054 R)
• M44: 19,925,240 km (0.04 R)
• M45: 20,398,118 km (0.066 R)
• M46: 20,533,804 km (0.082 R)
• M47: 20,806,221 km (0.108 R)
• M48: 21,700,069 km (0.115 R)
• M49: 22,047,136 km (0.082 R)
• M50: 22,256,274 km (0.077 R)
• M51: 22,641,339 km (0.111 R)
• M52: 23,560,318 km (0.11 R)
• M53: 23,809,848 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 18,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit