🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.47 AU - 0.73 AU

Year: 176 Days

Day: 13.2 Hours

Environment

Temp: 178 °C

Axial Tilt: 1.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,551,349 km

• M1: 201,359 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.56 AU - 0.74 AU

Year: 198 Days

Day: 21.2 Hours

Environment

Temp: 150 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.92 AU - 2.68 AU

Year: 1321 Days

Day: 35.8 Hours

Environment

Temp: -100 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,551,349 km

• M1: 1,703,621 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.29 AU - 2.53 AU

Year: 1417 Days

Day: 43.4 Hours

Environment

Temp: -89 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,551,349 km

• M1: 208,839 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.07 AU - 3.19 AU

Year: 1615 Days

Day: 29.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,551,349 km

• M1: 1,111,811 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.06 AU - 4.38 AU

Year: 3283 Days

Day: 43.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,551,349 km

• M1: 3,880,569 km (0.096 R)

Asteroid Belt

Center: 6.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 8.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.79 AU - 8.51 AU

Year: 8812 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 79,551,349 km

• M1: 212,579 km (0.073 R)
• M2: 267,032 km (0.106 R)
• M3: 375,191 km (0.114 R)
• M4: 454,329 km (0.069 R)
• M5: 692,937 km (0.067 R)
• M6: 765,642 km (0.119 R)
• M7: 1,072,916 km (0.072 R)
• M8: 1,180,028 km (0.112 R)
• M9: 1,336,208 km (0.099 R)
• M10: 1,451,997 km (0.118 R)
• M11: 1,559,109 km (0.113 R)
• M12: 1,857,856 km (0.079 R)
• M13: 2,270,297 km (0.099 R)
• M14: 2,522,669 km (0.115 R)
• M15: 2,696,053 km (0.097 R)
• M16: 2,754,845 km (0.067 R)
• M17: 3,476,206 km (0.103 R)
• M18: 3,751,017 km (0.12 R)
• M19: 4,185,000 km (0.073 R)
• M20: 4,829,917 km (0.084 R)
• M21: 4,973,381 km (0.095 R)
• M22: 5,674,546 km (0.091 R)
• M23: 5,826,089 km (0.062 R)
• M24: 6,603,998 km (0.096 R)
• M25: 6,683,584 km (0.073 R)
• M26: 6,843,654 km (0.113 R)
• M27: 7,147,337 km (0.116 R)
• M28: 7,809,906 km (0.107 R)
• M29: 8,796,504 km (0.075 R)
• M30: 8,994,273 km (0.055 R)
• M31: 9,573,366 km (0.072 R)
• M32: 9,912,953 km (0.098 R)
• M33: 10,072,873 km (0.04 R)
• M34: 10,697,445 km (0.098 R)
• M35: 10,791,093 km (0.112 R)
• M36: 10,932,014 km (0.047 R)
• M37: 11,097,170 km (0.064 R)
• M38: 11,215,652 km (0.11 R)
• M39: 11,287,010 km (0.1 R)
• M40: 12,276,600 km (0.071 R)
• M41: 13,444,809 km (0.074 R)
• M42: 13,901,532 km (0.065 R)
• M43: 14,648,175 km (0.112 R)
• M44: 15,223,229 km (0.069 R)
• M45: 15,487,120 km (0.119 R)
• M46: 15,593,035 km (0.094 R)
• M47: 16,153,279 km (0.027 R)
• M48: 16,368,550 km (0.108 R)
• M49: 16,503,487 km (0.098 R)
• M50: 16,937,920 km (0.102 R)
• M51: 18,040,306 km (0.068 R)
• M52: 18,235,532 km (0.094 R)
• M53: 18,431,654 km (0.061 R)
• M54: 18,797,571 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.2

Radius: 7.9

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 11.94 AU - 15.04 AU

Year: 18766 Days

Day: 21.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 79,551,349 km

• M1: 177,722 km (0.115 R)
• M2: 244,144 km (0.101 R)
• M3: 306,376 km (0.098 R)
• M4: 596,297 km (0.108 R)
• M5: 959,970 km (0.117 R)
• M6: 1,067,680 km (0.063 R)
• M7: 1,265,897 km (0.073 R)
• M8: 1,538,315 km (0.091 R)
• M9: 1,795,922 km (0.116 R)
• M10: 1,862,493 km (0.112 R)
• M11: 1,963,921 km (0.119 R)
• M12: 2,172,311 km (0.116 R)
• M13: 2,351,679 km (0.085 R)
• M14: 2,461,483 km (0.07 R)
• M15: 3,156,515 km (0.108 R)
• M16: 3,651,834 km (0.079 R)
• M17: 4,714,128 km (0.071 R)
• M18: 5,040,850 km (0.078 R)
• M19: 5,864,985 km (0.093 R)
• M20: 6,782,618 km (0.091 R)
• M21: 7,472,862 km (0.049 R)
• M22: 8,019,044 km (0.032 R)
• M23: 9,091,811 km (0.11 R)
• M24: 9,733,436 km (0.112 R)
• M25: 10,329,284 km (0.098 R)
• M26: 10,510,447 km (0.077 R)
• M27: 11,431,521 km (0.093 R)
• M28: 13,547,284 km (0.114 R)
• M29: 16,198,757 km (0.106 R)
• M30: 17,907,763 km (0.063 R)
• M31: 18,930,863 km (0.057 R)
• M32: 19,300,818 km (0.102 R)
• M33: 20,728,431 km (0.116 R)
• M34: 21,647,410 km (0.117 R)
• M35: 22,501,614 km (0.068 R)
• M36: 22,815,022 km (0.075 R)
• M37: 22,893,561 km (0.045 R)
• M38: 23,050,938 km (0.114 R)
• M39: 24,644,454 km (0.11 R)
• M40: 25,699,269 km (0.109 R)
• M41: 25,944,759 km (0.067 R)
• M42: 26,603,289 km (0.106 R)
• M43: 28,442,295 km (0.117 R)
• M44: 28,951,078 km (0.105 R)
• M45: 29,121,170 km (0.091 R)
• M46: 30,581,545 km (0.065 R)
• M47: 32,683,395 km (0.037 R)
• M48: 32,771,957 km (0.107 R)
• M49: 33,216,113 km (0.1 R)
• M50: 33,572,904 km (0.113 R)
• M51: 38,044,833 km (0.034 R)
• M52: 39,450,754 km (0.094 R)
• M53: 40,587,697 km (0.104 R)
• M54: 41,927,646 km (0.09 R)
• M55: 42,990,688 km (0.047 R)
• M56: 43,964,720 km (0.093 R)
• M57: 44,160,543 km (0.086 R)
• M58: 44,454,503 km (0.099 R)
• M59: 47,230,441 km (0.102 R)
• M60: 47,531,133 km (0.113 R)
• M61: 48,235,440 km (0.051 R)
• M62: 49,654,076 km (0.082 R)
• M63: 50,471,030 km (0.097 R)
• M64: 50,675,830 km (0.111 R)
• M65: 50,778,454 km (0.089 R)
• M66: 51,395,246 km (0.102 R)
• M67: 52,221,475 km (0.1 R)
• M68: 53,260,432 km (0.108 R)
• M69: 54,411,139 km (0.033 R)
• M70: 55,675,840 km (0.096 R)
• M71: 56,311,930 km (0.117 R)
• M72: 57,270,403 km (0.09 R)
• M73: 57,805,216 km (0.105 R)
• M74: 59,203,507 km (0.039 R)
• M75: 60,612,868 km (0.084 R)
• M76: 61,267,060 km (0.062 R)
• M77: 61,594,978 km (0.07 R)
• M78: 62,142,955 km (0.115 R)
• M79: 65,241,127 km (0.054 R)
• M80: 66,584,217 km (0.108 R)
• M81: 66,921,411 km (0.095 R)
• M82: 67,484,796 km (0.059 R)
• M83: 68,389,265 km (0.041 R)
• M84: 68,729,451 km (0.105 R)
• M85: 69,411,617 km (0.046 R)
• M86: 71,012,015 km (0.052 R)
• M87: 72,624,530 km (0.067 R)
• M88: 72,740,169 km (0.106 R)
• M89: 73,551,289 km (0.119 R)
• M90: 76,237,768 km (0.117 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: 174 - 19,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit