🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.47 AU - 0.63 AU

Year: 150 Days

Day: 44.8 Hours

Environment

Temp: 245 °C

Axial Tilt: 95.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.38 AU - 1.94 AU

Year: 785 Days

Day: 46.5 Hours

Environment

Temp: -54 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.59 AU - 2.43 AU

Year: 1046 Days

Day: 12.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.13 AU - 3.07 AU

Year: 1539 Days

Day: 28.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.64 AU - 4.34 AU

Year: 2926 Days

Day: 25.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.58 AU - 4.82 AU

Year: 3740 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 14

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.09 AU - 7.91 AU

Year: 7540 Days

Day: 14.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 29,952,201 km

• M1: 191,485 km (0.105 R)
• M2: 291,865 km (0.116 R)
• M3: 412,292 km (0.042 R)
• M4: 702,212 km (0.07 R)
• M5: 899,083 km (0.102 R)
• M6: 1,144,125 km (0.107 R)
• M7: 1,305,241 km (0.086 R)
• M8: 1,521,859 km (0.104 R)
• M9: 1,991,297 km (0.119 R)
• M10: 2,097,811 km (0.098 R)
• M11: 2,372,772 km (0.078 R)
• M12: 2,738,239 km (0.116 R)
• M13: 3,205,134 km (0.105 R)
• M14: 3,310,002 km (0.07 R)
• M15: 3,566,413 km (0.04 R)
• M16: 3,675,320 km (0.11 R)
• M17: 3,873,986 km (0.071 R)
• M18: 4,008,625 km (0.12 R)
• M19: 4,259,351 km (0.069 R)
• M20: 4,562,436 km (0.116 R)
• M21: 4,704,853 km (0.069 R)
• M22: 5,091,564 km (0.102 R)
• M23: 5,239,366 km (0.117 R)
• M24: 5,388,665 km (0.064 R)
• M25: 5,948,011 km (0.073 R)
• M26: 6,552,686 km (0.111 R)
• M27: 6,821,813 km (0.115 R)
• M28: 7,820,677 km (0.082 R)
• M29: 8,106,409 km (0.083 R)
• M30: 8,250,472 km (0.115 R)
• M31: 8,688,046 km (0.103 R)
• M32: 8,806,079 km (0.06 R)
• M33: 8,894,940 km (0.11 R)
• M34: 9,163,169 km (0.111 R)
• M35: 9,313,365 km (0.063 R)
• M36: 9,677,337 km (0.098 R)
• M37: 10,670,667 km (0.045 R)
• M38: 11,404,743 km (0.12 R)
• M39: 11,533,996 km (0.079 R)
• M40: 11,631,384 km (0.085 R)
• M41: 12,686,498 km (0.096 R)
• M42: 13,395,592 km (0.094 R)
• M43: 13,669,206 km (0.107 R)
• M44: 13,944,616 km (0.039 R)
• M45: 14,291,384 km (0.088 R)
• M46: 14,958,291 km (0.108 R)
• M47: 15,064,506 km (0.088 R)
• M48: 15,420,549 km (0.065 R)
• M49: 15,671,275 km (0.093 R)
• M50: 16,213,417 km (0.118 R)
• M51: 17,241,603 km (0.035 R)
• M52: 17,427,554 km (0.104 R)
• M53: 18,177,637 km (0.119 R)
• M54: 19,476,895 km (0.099 R)
• M55: 19,748,116 km (0.096 R)
• M56: 19,903,698 km (0.079 R)
• M57: 20,372,836 km (0.09 R)
• M58: 21,003,990 km (0.101 R)
• M59: 21,282,092 km (0.095 R)
• M60: 21,561,541 km (0.044 R)
• M61: 21,681,668 km (0.073 R)
• M62: 22,407,068 km (0.042 R)
• M63: 22,731,995 km (0.027 R)
• M64: 22,935,897 km (0.086 R)
• M65: 23,345,496 km (0.07 R)
• M66: 23,881,654 km (0.072 R)
• M67: 24,296,789 km (0.057 R)
• M68: 24,463,590 km (0.082 R)
• M69: 24,630,691 km (0.114 R)
• M70: 25,641,524 km (0.117 R)
• M71: 26,066,681 km (0.107 R)
• M72: 26,280,157 km (0.066 R)
• M73: 27,659,898 km (0.071 R)
• M74: 28,622,261 km (0.119 R)
• M75: 28,710,375 km (0.068 R)
• M76: 28,930,732 km (0.11 R)
• M77: 29,063,276 km (0.056 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 10,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit