🌌 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: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.63 AU - 0.65 AU

Year: 187 Days

Day: 23.9 Hours

Environment

Temp: 217 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,754,160 km

• M1: 473,028 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.58 AU - 0.7 AU

Year: 187 Days

Day: 43 Hours

Environment

Temp: 151 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 56,754,160 km

• M1: 124,017 km (0.082 R)
• M2: 310,266 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.92 AU - 1.2 AU

Year: 399 Days

Day: 16 Hours

Environment

Temp: 35 °C

Axial Tilt: 22.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.07 AU - 1.43 AU

Year: 510 Days

Day: 19.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.62 AU - 2.68 AU

Year: 1576 Days

Day: 35.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.46 AU - 5.48 AU

Year: 3452 Days

Day: 30.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.3

Radius: 5.3

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 9.67 AU - 15.37 AU

Year: 16181 Days

Day: 19.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 56,754,160 km

• M1: 405,709 km (0.084 R)
• M2: 680,820 km (0.052 R)
• M3: 718,818 km (0.104 R)
• M4: 777,311 km (0.092 R)
• M5: 857,794 km (0.062 R)
• M6: 1,446,013 km (0.11 R)
• M7: 1,725,761 km (0.117 R)
• M8: 1,885,532 km (0.102 R)
• M9: 1,994,738 km (0.06 R)
• M10: 2,940,496 km (0.087 R)
• M11: 3,660,062 km (0.085 R)
• M12: 4,251,571 km (0.106 R)
• M13: 4,358,983 km (0.08 R)
• M14: 4,835,153 km (0.115 R)
• M15: 5,250,736 km (0.099 R)
• M16: 5,677,838 km (0.057 R)
• M17: 5,756,676 km (0.08 R)
• M18: 5,955,491 km (0.114 R)
• M19: 6,278,174 km (0.101 R)
• M20: 7,151,975 km (0.1 R)
• M21: 7,842,968 km (0.118 R)
• M22: 8,019,044 km (0.119 R)
• M23: 9,148,807 km (0.103 R)
• M24: 9,427,359 km (0.081 R)
• M25: 9,661,629 km (0.065 R)
• M26: 9,897,694 km (0.12 R)
• M27: 11,553,294 km (0.109 R)
• M28: 11,904,699 km (0.113 R)
• M29: 12,157,819 km (0.11 R)
• M30: 13,450,045 km (0.114 R)
• M31: 13,819,552 km (0.098 R)
• M32: 14,192,500 km (0.108 R)
• M33: 14,246,056 km (0.051 R)
• M34: 14,299,612 km (0.039 R)
• M35: 14,839,361 km (0.104 R)
• M36: 15,111,779 km (0.117 R)
• M37: 16,498,401 km (0.076 R)
• M38: 17,349,763 km (0.117 R)
• M39: 18,099,098 km (0.038 R)
• M40: 18,157,142 km (0.109 R)
• M41: 18,215,336 km (0.089 R)
• M42: 20,349,200 km (0.088 R)
• M43: 20,409,637 km (0.107 R)
• M44: 21,384,118 km (0.061 R)
• M45: 22,311,326 km (0.12 R)
• M46: 23,125,437 km (0.088 R)
• M47: 24,077,029 km (0.03 R)
• M48: 25,105,963 km (0.114 R)
• M49: 25,430,441 km (0.074 R)
• M50: 26,083,586 km (0.104 R)
• M51: 27,273,038 km (0.112 R)
• M52: 27,874,422 km (0.091 R)
• M53: 28,683,148 km (0.114 R)
• M54: 28,954,369 km (0.102 R)
• M55: 31,433,654 km (0.085 R)
• M56: 31,783,264 km (0.101 R)
• M57: 32,134,371 km (0.049 R)
• M58: 32,416,063 km (0.055 R)
• M59: 33,195,020 km (0.049 R)
• M60: 33,836,794 km (0.084 R)
• M61: 33,908,452 km (0.08 R)
• M62: 34,195,231 km (0.061 R)
• M63: 36,738,843 km (0.073 R)
• M64: 37,328,708 km (0.065 R)
• M65: 37,402,759 km (0.119 R)
• M66: 38,517,861 km (0.114 R)
• M67: 38,592,660 km (0.047 R)
• M68: 39,417,992 km (0.031 R)
• M69: 39,568,637 km (0.053 R)
• M70: 40,933,269 km (0.114 R)
• M71: 41,391,636 km (0.107 R)
• M72: 42,313,459 km (0.102 R)
• M73: 43,786,549 km (0.088 R)
• M74: 45,118,867 km (0.083 R)
• M75: 47,582,595 km (0.045 R)
• M76: 47,742,964 km (0.043 R)
• M77: 48,467,167 km (0.04 R)
• M78: 49,194,961 km (0.047 R)
• M79: 49,682,201 km (0.106 R)
• M80: 49,926,494 km (0.047 R)
• M81: 50,008,025 km (0.109 R)
• M82: 50,497,808 km (0.055 R)
• M83: 51,235,625 km (0.117 R)
• M84: 51,812,026 km (0.074 R)
• M85: 52,639,003 km (0.056 R)
• M86: 52,887,934 km (0.064 R)
• M87: 53,137,313 km (0.103 R)
• M88: 53,303,816 km (0.077 R)
• M89: 55,230,487 km (0.114 R)
• M90: 55,483,457 km (0.082 R)
• M91: 55,821,398 km (0.041 R)
• M92: 56,329,582 km (0.082 R)
• M93: 56,414,404 km (0.11 R)
• M94: 56,584,198 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 18,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit