🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.58 AU - 0.68 AU

Year: 177 Days

Day: 23 Hours

Environment

Temp: 213 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.68 AU - 0.86 AU

Year: 240 Days

Day: 34.7 Hours

Environment

Temp: 167 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.24 AU - 1.48 AU

Year: 563 Days

Day: 29.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 21 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 16,251,495 km

• M1: 232,924 km (0.095 R)
• M2: 1,026,840 km (0.034 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.36 AU - 2 AU

Year: 773 Days

Day: 24.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,251,495 km

• M1: 547,379 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.95 AU - 4.75 AU

Year: 3219 Days

Day: 31.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767

Radius: 9.8

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.01 AU - 5.75 AU

Year: 4427 Days

Day: 13.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 16,251,495 km

• M1: 135,236 km (0.064 R)
• M2: 209,437 km (0.118 R)
• M3: 310,416 km (0.069 R)
• M4: 463,305 km (0.035 R)
• M5: 951,592 km (0.08 R)
• M6: 1,059,751 km (0.06 R)
• M7: 1,288,786 km (0.084 R)
• M8: 1,502,561 km (0.05 R)
• M9: 1,613,862 km (0.116 R)
• M10: 1,844,841 km (0.097 R)
• M11: 2,320,562 km (0.081 R)
• M12: 2,487,364 km (0.059 R)
• M13: 2,932,118 km (0.04 R)
• M14: 3,613,237 km (0.094 R)
• M15: 3,829,107 km (0.063 R)
• M16: 4,296,301 km (0.067 R)
• M17: 4,410,295 km (0.064 R)
• M18: 4,995,223 km (0.084 R)
• M19: 5,554,868 km (0.115 R)
• M20: 5,804,397 km (0.084 R)
• M21: 5,930,508 km (0.095 R)
• M22: 6,522,766 km (0.101 R)
• M23: 6,653,964 km (0.082 R)
• M24: 6,759,580 km (0.066 R)
• M25: 7,053,091 km (0.08 R)
• M26: 7,160,801 km (0.111 R)
• M27: 7,459,847 km (0.06 R)
• M28: 7,652,380 km (0.114 R)
• M29: 7,818,733 km (0.061 R)
• M30: 7,958,308 km (0.094 R)
• M31: 8,410,243 km (0.099 R)
• M32: 8,495,962 km (0.046 R)
• M33: 8,668,299 km (0.066 R)
• M34: 9,696,036 km (0.084 R)
• M35: 9,906,221 km (0.101 R)
• M36: 10,148,420 km (0.105 R)
• M37: 10,331,229 km (0.118 R)
• M38: 10,607,536 km (0.075 R)
• M39: 10,700,137 km (0.088 R)
• M40: 10,948,619 km (0.063 R)
• M41: 11,482,833 km (0.101 R)
• M42: 11,737,150 km (0.086 R)
• M43: 12,413,631 km (0.067 R)
• M44: 12,871,700 km (0.08 R)
• M45: 13,871,911 km (0.074 R)
• M46: 13,973,339 km (0.118 R)
• M47: 14,313,075 km (0.089 R)
• M48: 15,558,627 km (0.094 R)
• M49: 15,769,710 km (0.074 R)
• M50: 15,910,781 km (0.05 R)
• M51: 16,052,450 km (0.081 R)
• M52: 16,587,113 km (0.109 R)
• M53: 17,019,151 km (0.069 R)
• M54: 17,345,724 km (0.105 R)
• M55: 17,454,930 km (0.103 R)
• M56: 17,674,240 km (0.099 R)
• M57: 18,041,653 km (0.109 R)
• M58: 18,300,308 km (0.052 R)
• M59: 18,374,508 km (0.087 R)
• M60: 18,485,958 km (0.075 R)
• M61: 18,821,507 km (0.108 R)
• M62: 18,896,305 km (0.087 R)
• M63: 19,536,584 km (0.1 R)
• M64: 20,222,191 km (0.116 R)
• M65: 21,148,651 km (0.118 R)
• M66: 21,499,608 km (0.111 R)
• M67: 22,049,380 km (0.062 R)
• M68: 22,603,789 km (0.053 R)
• M69: 23,686,130 km (0.116 R)
• M70: 23,969,468 km (0.115 R)
• M71: 24,662,256 km (0.107 R)
• M72: 24,826,215 km (0.046 R)
• M73: 25,444,354 km (0.088 R)
• M74: 25,859,189 km (0.059 R)
• M75: 26,109,167 km (0.082 R)
• M76: 26,443,817 km (0.06 R)
• M77: 26,569,629 km (0.073 R)
• M78: 26,653,553 km (0.092 R)
• M79: 26,779,814 km (0.106 R)
• M80: 27,159,493 km (0.078 R)
• M81: 27,456,146 km (0.038 R)
• M82: 27,540,968 km (0.115 R)
• M83: 27,838,967 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.6

Radius: 12.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.45 AU - 9.87 AU

Year: 9835 Days

Day: 14.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 16,251,495 km

• M1: 164,558 km (0.116 R)
• M2: 272,268 km (0.085 R)
• M3: 1,032,674 km (0.075 R)
• M4: 1,212,341 km (0.108 R)
• M5: 1,928,765 km (0.076 R)
• M6: 2,250,401 km (0.07 R)
• M7: 2,398,951 km (0.107 R)
• M8: 2,589,390 km (0.078 R)
• M9: 2,771,749 km (0.082 R)
• M10: 2,944,984 km (0.106 R)
• M11: 3,094,432 km (0.05 R)
• M12: 3,344,560 km (0.102 R)
• M13: 3,909,142 km (0.115 R)
• M14: 4,964,106 km (0.07 R)
• M15: 5,473,188 km (0.056 R)
• M16: 6,033,581 km (0.044 R)
• M17: 6,523,365 km (0.1 R)
• M18: 7,172,171 km (0.058 R)
• M19: 7,728,675 km (0.026 R)
• M20: 8,608,759 km (0.118 R)
• M21: 8,765,238 km (0.118 R)
• M22: 10,029,191 km (0.052 R)
• M23: 10,588,388 km (0.108 R)
• M24: 12,041,282 km (0.041 R)
• M25: 14,104,835 km (0.081 R)
• M26: 14,220,026 km (0.096 R)
• M27: 14,824,551 km (0.054 R)
• M28: 16,179,159 km (0.103 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 11,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit