🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.79 AU - 0.81 AU

Year: 255 Days

Day: 45.8 Hours

Environment

Temp: 138 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.19 AU - 3.53 AU

Year: 1724 Days

Day: 47.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.11 AU - 3.95 AU

Year: 2364 Days

Day: 12.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.9 AU - 4.64 AU

Year: 2609 Days

Day: 33 Hours

Environment

Temp: -116 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,869,215 km

• M1: 1,294,770 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 13.5

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.94 AU - 7.36 AU

Year: 5436 Days

Day: 10.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 52,869,215 km

• M1: 170,841 km (0.075 R)
• M2: 375,640 km (0.079 R)
• M3: 463,305 km (0.094 R)
• M4: 583,731 km (0.075 R)
• M5: 794,813 km (0.04 R)
• M6: 889,659 km (0.114 R)
• M7: 974,630 km (0.119 R)
• M8: 1,426,565 km (0.092 R)
• M9: 1,545,196 km (0.091 R)
• M10: 1,793,230 km (0.109 R)
• M11: 2,092,874 km (0.114 R)
• M12: 2,348,387 km (0.07 R)
• M13: 2,531,495 km (0.117 R)
• M14: 3,042,970 km (0.084 R)
• M15: 3,288,460 km (0.111 R)
• M16: 3,610,245 km (0.098 R)
• M17: 3,894,481 km (0.114 R)
• M18: 4,284,782 km (0.112 R)
• M19: 4,409,397 km (0.118 R)
• M20: 4,560,641 km (0.119 R)
• M21: 4,739,261 km (0.117 R)
• M22: 5,859,300 km (0.117 R)
• M23: 6,999,385 km (0.047 R)
• M24: 7,117,119 km (0.062 R)
• M25: 7,265,370 km (0.093 R)
• M26: 7,354,680 km (0.105 R)
• M27: 7,625,153 km (0.113 R)
• M28: 8,021,587 km (0.096 R)
• M29: 8,739,508 km (0.109 R)
• M30: 9,090,315 km (0.107 R)
• M31: 9,348,221 km (0.077 R)
• M32: 9,838,603 km (0.084 R)
• M33: 10,844,200 km (0.069 R)
• M34: 11,015,041 km (0.097 R)
• M35: 11,152,372 km (0.072 R)
• M36: 11,359,415 km (0.115 R)
• M37: 11,567,805 km (0.095 R)
• M38: 11,672,374 km (0.054 R)
• M39: 11,777,392 km (0.051 R)
• M40: 11,917,714 km (0.095 R)
• M41: 12,058,785 km (0.072 R)
• M42: 12,916,430 km (0.064 R)
• M43: 13,535,915 km (0.057 R)
• M44: 14,053,374 km (0.031 R)
• M45: 14,202,373 km (0.061 R)
• M46: 14,728,060 km (0.099 R)
• M47: 15,451,964 km (0.106 R)
• M48: 16,421,957 km (0.117 R)
• M49: 17,411,696 km (0.067 R)
• M50: 17,571,915 km (0.106 R)
• M51: 17,692,342 km (0.065 R)
• M52: 18,055,266 km (0.088 R)
• M53: 18,339,353 km (0.026 R)
• M54: 19,158,999 km (0.119 R)
• M55: 20,961,654 km (0.047 R)
• M56: 22,861,696 km (0.084 R)
• M57: 23,433,609 km (0.086 R)
• M58: 24,906,549 km (0.11 R)
• M59: 25,177,621 km (0.088 R)
• M60: 25,449,590 km (0.082 R)
• M61: 25,996,520 km (0.094 R)
• M62: 26,639,491 km (0.12 R)
• M63: 26,824,245 km (0.098 R)
• M64: 26,963,071 km (0.093 R)
• M65: 27,194,948 km (0.072 R)
• M66: 27,427,423 km (0.068 R)
• M67: 27,847,644 km (0.088 R)
• M68: 28,129,037 km (0.067 R)
• M69: 28,552,698 km (0.117 R)
• M70: 30,124,523 km (0.111 R)
• M71: 30,268,885 km (0.089 R)
• M72: 31,188,014 km (0.061 R)
• M73: 31,334,022 km (0.104 R)
• M74: 31,871,228 km (0.105 R)
• M75: 32,067,351 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.7

Radius: 6.4

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 12.99 AU - 16.81 AU

Year: 20501 Days

Day: 15.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 52,869,215 km

• M1: 104,120 km (0.116 R)
• M2: 217,814 km (0.038 R)
• M3: 367,712 km (0.048 R)
• M4: 425,307 km (0.109 R)
• M5: 517,908 km (0.092 R)
• M6: 566,826 km (0.102 R)
• M7: 669,750 km (0.093 R)
• M8: 760,556 km (0.079 R)
• M9: 1,387,819 km (0.09 R)
• M10: 1,434,195 km (0.088 R)
• M11: 2,058,317 km (0.065 R)
• M12: 2,301,563 km (0.055 R)
• M13: 2,412,565 km (0.097 R)
• M14: 3,332,293 km (0.061 R)
• M15: 3,553,548 km (0.12 R)
• M16: 4,178,418 km (0.109 R)
• M17: 4,555,554 km (0.108 R)
• M18: 4,872,253 km (0.114 R)
• M19: 4,979,365 km (0.062 R)
• M20: 5,305,638 km (0.106 R)
• M21: 5,638,643 km (0.118 R)
• M22: 5,864,536 km (0.107 R)
• M23: 5,940,531 km (0.12 R)
• M24: 6,016,826 km (0.073 R)
• M25: 6,481,328 km (0.1 R)
• M26: 6,717,992 km (0.11 R)
• M27: 6,877,313 km (0.031 R)
• M28: 8,840,636 km (0.088 R)
• M29: 8,884,318 km (0.074 R)
• M30: 9,279,406 km (0.082 R)
• M31: 9,905,623 km (0.065 R)
• M32: 10,086,936 km (0.088 R)
• M33: 10,591,529 km (0.108 R)
• M34: 10,916,755 km (0.088 R)
• M35: 11,292,694 km (0.116 R)
• M36: 11,768,416 km (0.12 R)
• M37: 11,816,287 km (0.114 R)
• M38: 12,592,102 km (0.119 R)
• M39: 13,234,624 km (0.11 R)
• M40: 13,284,441 km (0.119 R)
• M41: 13,434,487 km (0.112 R)
• M42: 13,584,983 km (0.094 R)
• M43: 14,192,649 km (0.087 R)
• M44: 14,809,142 km (0.062 R)
• M45: 16,334,891 km (0.093 R)
• M46: 16,710,681 km (0.107 R)
• M47: 18,631,667 km (0.106 R)
• M48: 18,967,963 km (0.113 R)
• M49: 19,080,460 km (0.09 R)
• M50: 19,988,819 km (0.106 R)
• M51: 20,103,411 km (0.079 R)
• M52: 22,083,488 km (0.067 R)
• M53: 22,976,737 km (0.093 R)
• M54: 24,430,230 km (0.087 R)
• M55: 25,726,346 km (0.096 R)
• M56: 25,975,725 km (0.072 R)
• M57: 26,100,640 km (0.097 R)
• M58: 26,288,535 km (0.059 R)
• M59: 27,871,579 km (0.074 R)
• M60: 28,256,046 km (0.107 R)
• M61: 28,965,589 km (0.108 R)
• M62: 29,095,290 km (0.065 R)
• M63: 30,073,660 km (0.116 R)
• M64: 31,129,073 km (0.096 R)
• M65: 31,261,916 km (0.075 R)
• M66: 31,594,621 km (0.095 R)
• M67: 32,129,583 km (0.101 R)
• M68: 33,956,772 km (0.076 R)
• M69: 35,055,568 km (0.098 R)
• M70: 36,375,321 km (0.108 R)
• M71: 37,711,230 km (0.068 R)
• M72: 38,207,446 km (0.114 R)
• M73: 39,421,582 km (0.097 R)
• M74: 40,575,879 km (0.061 R)
• M75: 40,648,285 km (0.064 R)
• M76: 41,448,783 km (0.109 R)
• M77: 41,521,787 km (0.027 R)
• M78: 41,960,856 km (0.107 R)
• M79: 42,401,422 km (0.043 R)
• M80: 43,435,443 km (0.081 R)
• M81: 44,477,841 km (0.073 R)
• M82: 44,851,985 km (0.103 R)
• M83: 44,926,933 km (0.109 R)
• M84: 46,132,243 km (0.057 R)
• M85: 47,119,290 km (0.062 R)
• M86: 47,424,470 km (0.098 R)
• M87: 48,959,942 km (0.061 R)
• M88: 49,966,586 km (0.092 R)
• M89: 50,980,262 km (0.082 R)
• M90: 51,058,501 km (0.096 R)
• M91: 52,158,195 km (0.027 R)
• M92: 52,473,847 km (0.106 R)
• M93: 52,552,834 km (0.058 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 19,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit