🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.8 AU - 1.08 AU

Year: 331 Days

Day: 18.8 Hours

Environment

Temp: 83 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,615,451 km

• M1: 182,509 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.14 AU - 1.37 AU

Year: 508 Days

Day: 43 Hours

Environment

Temp: -7 °C

Axial Tilt: 23.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.12 AU - 1.8 AU

Year: 641 Days

Day: 27.8 Hours

Environment

Temp: -31 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.28 AU - 1.8 AU

Year: 695 Days

Day: 37.4 Hours

Environment

Temp: -27 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.12 AU - 2.32 AU

Year: 1202 Days

Day: 22.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.03 AU - 2.81 AU

Year: 1368 Days

Day: 14.9 Hours

Environment

Temp: -89 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.06 AU - 3.7 AU

Year: 2258 Days

Day: 12.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,615,451 km

• M1: 84,373 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 8.8

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.11 AU - 7.67 AU

Year: 6573 Days

Day: 10 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 40,615,451 km

• M1: 123,717 km (0.104 R)
• M2: 279,299 km (0.1 R)
• M3: 409,449 km (0.062 R)
• M4: 535,411 km (0.115 R)
• M5: 646,263 km (0.104 R)
• M6: 1,184,965 km (0.115 R)
• M7: 1,295,518 km (0.111 R)
• M8: 1,409,661 km (0.053 R)
• M9: 1,547,141 km (0.057 R)
• M10: 1,689,110 km (0.094 R)
• M11: 1,814,323 km (0.112 R)
• M12: 1,899,594 km (0.119 R)
• M13: 1,964,370 km (0.107 R)
• M14: 2,253,991 km (0.091 R)
• M15: 2,462,680 km (0.09 R)
• M16: 2,557,376 km (0.12 R)
• M17: 2,799,575 km (0.066 R)
• M18: 3,228,621 km (0.069 R)
• M19: 3,651,235 km (0.12 R)
• M20: 4,203,999 km (0.098 R)
• M21: 5,572,670 km (0.08 R)
• M22: 5,950,854 km (0.071 R)
• M23: 7,683,646 km (0.082 R)
• M24: 7,963,394 km (0.109 R)
• M25: 8,353,396 km (0.088 R)
• M26: 8,785,883 km (0.046 R)
• M27: 9,299,901 km (0.086 R)
• M28: 9,710,398 km (0.082 R)
• M29: 9,899,041 km (0.084 R)
• M30: 10,241,620 km (0.073 R)
• M31: 10,318,364 km (0.096 R)
• M32: 10,977,641 km (0.053 R)
• M33: 11,292,694 km (0.12 R)
• M34: 11,371,981 km (0.109 R)
• M35: 11,451,268 km (0.068 R)
• M36: 12,911,942 km (0.097 R)
• M37: 13,119,434 km (0.081 R)
• M38: 14,088,080 km (0.101 R)
• M39: 15,871,436 km (0.04 R)
• M40: 16,451,577 km (0.042 R)
• M41: 16,676,572 km (0.031 R)
• M42: 17,129,555 km (0.067 R)
• M43: 19,455,053 km (0.087 R)
• M44: 19,979,693 km (0.054 R)
• M45: 20,654,380 km (0.09 R)
• M46: 20,848,558 km (0.057 R)
• M47: 21,778,907 km (0.09 R)
• M48: 21,927,009 km (0.093 R)
• M49: 22,572,823 km (0.077 R)
• M50: 22,672,754 km (0.12 R)
• M51: 22,923,181 km (0.114 R)
• M52: 24,342,416 km (0.116 R)
• M53: 24,650,288 km (0.12 R)
• M54: 24,907,746 km (0.072 R)
• M55: 25,114,491 km (0.097 R)
• M56: 25,218,012 km (0.093 R)
• M57: 25,789,925 km (0.107 R)
• M58: 26,366,326 km (0.041 R)
• M59: 26,576,810 km (0.084 R)
• M60: 27,105,937 km (0.1 R)
• M61: 27,531,543 km (0.064 R)
• M62: 30,517,517 km (0.054 R)
• M63: 30,794,123 km (0.049 R)
• M64: 31,071,478 km (0.102 R)
• M65: 31,516,980 km (0.088 R)
• M66: 32,132,875 km (0.116 R)
• M67: 32,301,621 km (0.108 R)
• M68: 32,979,299 km (0.037 R)
• M69: 33,547,622 km (0.088 R)
• M70: 33,947,497 km (0.108 R)
• M71: 34,751,735 km (0.092 R)
• M72: 35,446,168 km (0.086 R)
• M73: 35,504,212 km (0.088 R)
• M74: 35,795,031 km (0.11 R)
• M75: 36,028,254 km (0.099 R)
• M76: 36,320,568 km (0.067 R)
• M77: 36,379,061 km (0.098 R)
• M78: 37,615,786 km (0.116 R)
• M79: 37,675,027 km (0.059 R)
• M80: 38,746,597 km (0.107 R)
• M81: 38,986,103 km (0.081 R)
• M82: 39,406,323 km (0.034 R)
• M83: 39,828,189 km (0.109 R)
• M84: 40,069,790 km (0.111 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 16,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit