🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 134 Days

Day: 13.2 Hours

Environment

Temp: 159 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.83 AU - 1.07 AU

Year: 342 Days

Day: 13.1 Hours

Environment

Temp: 42 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.11 AU - 1.4 AU

Year: 516 Days

Day: 17.6 Hours

Environment

Temp: 0 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 40,510,870 km

• M1: 54,454 km (0.061 R)
• M2: 145,110 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.45 AU - 1.69 AU

Year: 726 Days

Day: 14.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.51 AU - 1.71 AU

Year: 754 Days

Day: 35.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,510,870 km

• M1: 782,397 km (0.098 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.84 AU - 1.86 AU

Year: 928 Days

Day: 38.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.09 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 13.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.21 AU - 6.45 AU

Year: 5876 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 40,510,870 km

• M1: 225,294 km (0.049 R)
• M2: 311,313 km (0.112 R)
• M3: 403,914 km (0.093 R)
• M4: 520,301 km (0.088 R)
• M5: 694,583 km (0.069 R)
• M6: 831,016 km (0.117 R)
• M7: 1,284,298 km (0.113 R)
• M8: 1,531,284 km (0.107 R)
• M9: 1,622,239 km (0.115 R)
• M10: 1,955,992 km (0.099 R)
• M11: 2,139,848 km (0.115 R)
• M12: 2,329,388 km (0.074 R)
• M13: 2,597,318 km (0.108 R)
• M14: 2,725,823 km (0.109 R)
• M15: 2,894,270 km (0.069 R)
• M16: 3,008,563 km (0.042 R)
• M17: 3,562,075 km (0.067 R)
• M18: 3,726,184 km (0.049 R)
• M19: 3,998,302 km (0.077 R)
• M20: 4,364,069 km (0.077 R)
• M21: 4,517,856 km (0.12 R)
• M22: 5,220,966 km (0.109 R)
• M23: 5,502,359 km (0.068 R)
• M24: 5,668,862 km (0.102 R)
• M25: 5,764,754 km (0.109 R)
• M26: 5,982,568 km (0.075 R)
• M27: 6,227,759 km (0.068 R)
• M28: 6,983,378 km (0.028 R)
• M29: 7,215,704 km (0.092 R)
• M30: 7,714,762 km (0.098 R)
• M31: 7,955,166 km (0.112 R)
• M32: 8,306,721 km (0.09 R)
• M33: 8,857,540 km (0.042 R)
• M34: 8,997,115 km (0.061 R)
• M35: 10,286,350 km (0.088 R)
• M36: 11,087,446 km (0.037 R)
• M37: 11,268,160 km (0.079 R)
• M38: 12,529,719 km (0.109 R)
• M39: 12,970,584 km (0.109 R)
• M40: 13,288,779 km (0.075 R)
• M41: 13,900,335 km (0.117 R)
• M42: 14,324,146 km (0.075 R)
• M43: 14,554,078 km (0.097 R)
• M44: 14,851,628 km (0.05 R)
• M45: 14,984,471 km (0.081 R)
• M46: 15,419,053 km (0.105 R)
• M47: 16,471,922 km (0.072 R)
• M48: 16,712,925 km (0.114 R)
• M49: 17,163,663 km (0.064 R)
• M50: 17,303,088 km (0.1 R)
• M51: 17,935,438 km (0.091 R)
• M52: 18,218,926 km (0.118 R)
• M53: 18,325,590 km (0.113 R)
• M54: 18,432,552 km (0.082 R)
• M55: 18,826,294 km (0.039 R)
• M56: 19,731,510 km (0.098 R)
• M57: 20,428,936 km (0.073 R)
• M58: 20,688,039 km (0.097 R)
• M59: 21,509,182 km (0.059 R)
• M60: 22,379,093 km (0.108 R)
• M61: 24,036,039 km (0.1 R)
• M62: 25,692,537 km (0.111 R)
• M63: 26,172,596 km (0.096 R)
• M64: 26,898,146 km (0.115 R)
• M65: 27,222,773 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.5

Radius: 7.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 10.98 AU - 14.76 AU

Year: 17035 Days

Day: 17.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 40,510,870 km

• M1: 100,979 km (0.115 R)
• M2: 157,676 km (0.062 R)
• M3: 300,841 km (0.079 R)
• M4: 971,339 km (0.031 R)
• M5: 1,218,774 km (0.057 R)
• M6: 1,485,656 km (0.119 R)
• M7: 1,771,089 km (0.092 R)
• M8: 1,877,154 km (0.095 R)
• M9: 2,051,286 km (0.067 R)
• M10: 2,185,475 km (0.054 R)
• M11: 2,462,531 km (0.119 R)
• M12: 2,629,332 km (0.095 R)
• M13: 2,923,890 km (0.099 R)
• M14: 3,307,011 km (0.036 R)
• M15: 3,733,215 km (0.092 R)
• M16: 4,462,355 km (0.12 R)
• M17: 4,607,614 km (0.118 R)
• M18: 5,604,834 km (0.035 R)
• M19: 7,339,122 km (0.091 R)
• M20: 7,718,502 km (0.103 R)
• M21: 7,823,071 km (0.099 R)
• M22: 7,963,095 km (0.105 R)
• M23: 8,568,068 km (0.117 R)
• M24: 9,298,704 km (0.057 R)
• M25: 9,410,005 km (0.063 R)
• M26: 9,709,051 km (0.118 R)
• M27: 9,821,998 km (0.082 R)
• M28: 10,663,336 km (0.071 R)
• M29: 10,975,098 km (0.082 R)
• M30: 11,171,520 km (0.054 R)
• M31: 11,408,633 km (0.059 R)
• M32: 12,619,179 km (0.118 R)
• M33: 12,783,736 km (0.097 R)
• M34: 13,197,973 km (0.112 R)
• M35: 13,364,924 km (0.117 R)
• M36: 14,338,657 km (0.076 R)
• M37: 15,203,632 km (0.06 R)
• M38: 15,334,979 km (0.104 R)
• M39: 16,041,080 km (0.106 R)
• M40: 16,848,311 km (0.081 R)
• M41: 17,622,629 km (0.115 R)
• M42: 17,668,556 km (0.072 R)
• M43: 18,222,666 km (0.061 R)
• M44: 18,408,616 km (0.106 R)
• M45: 18,501,816 km (0.108 R)
• M46: 18,829,435 km (0.096 R)
• M47: 18,970,356 km (0.115 R)
• M48: 20,014,699 km (0.058 R)
• M49: 20,158,463 km (0.109 R)
• M50: 20,543,827 km (0.044 R)
• M51: 20,882,965 km (0.068 R)
• M52: 21,126,361 km (0.054 R)
• M53: 22,307,586 km (0.103 R)
• M54: 22,357,252 km (0.082 R)
• M55: 22,406,919 km (0.025 R)
• M56: 23,966,476 km (0.102 R)
• M57: 24,579,529 km (0.11 R)
• M58: 25,612,801 km (0.04 R)
• M59: 25,821,041 km (0.083 R)
• M60: 26,030,030 km (0.113 R)
• M61: 26,291,975 km (0.063 R)
• M62: 26,924,026 km (0.112 R)
• M63: 27,828,196 km (0.119 R)
• M64: 28,257,093 km (0.072 R)
• M65: 28,526,369 km (0.088 R)
• M66: 29,393,438 km (0.097 R)
• M67: 29,939,770 km (0.117 R)
• M68: 30,544,744 km (0.101 R)
• M69: 31,209,108 km (0.106 R)
• M70: 31,487,360 km (0.073 R)
• M71: 31,654,760 km (0.119 R)
• M72: 32,214,705 km (0.09 R)
• M73: 32,439,550 km (0.096 R)
• M74: 33,344,468 km (0.116 R)
• M75: 33,515,009 km (0.105 R)
• M76: 33,799,993 km (0.07 R)
• M77: 34,487,096 km (0.114 R)
• M78: 34,544,542 km (0.072 R)
• M79: 35,642,590 km (0.1 R)
• M80: 35,758,828 km (0.11 R)
• M81: 35,817,021 km (0.041 R)
• M82: 36,283,468 km (0.102 R)
• M83: 36,693,366 km (0.118 R)
• M84: 36,810,650 km (0.096 R)
• M85: 38,407,458 km (0.094 R)
• M86: 38,466,998 km (0.091 R)
• M87: 39,785,554 km (0.032 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 14,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit