🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.46 AU - 0.68 AU

Year: 151 Days

Day: 34.2 Hours

Environment

Temp: 232 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.78 AU - 1.16 AU

Year: 336 Days

Day: 29.5 Hours

Environment

Temp: 106 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.9 AU - 1.36 AU

Year: 422 Days

Day: 20.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 70,808,353 km

• M1: 61,784 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.08 AU - 1.68 AU

Year: 570 Days

Day: 22.1 Hours

Environment

Temp: 1 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 70,808,353 km

• M1: 127,607 km (0.081 R)
• M2: 437,125 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.27 AU - 3.79 AU

Year: 2331 Days

Day: 31.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.6

Radius: 7.8

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 10.67 AU - 15.93 AU

Year: 17047 Days

Day: 24.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 70,808,353 km

• M1: 99,333 km (0.084 R)
• M2: 191,036 km (0.101 R)
• M3: 545,434 km (0.107 R)
• M4: 849,267 km (0.117 R)
• M5: 1,393,504 km (0.114 R)
• M6: 1,685,370 km (0.101 R)
• M7: 1,776,624 km (0.089 R)
• M8: 2,996,595 km (0.115 R)
• M9: 3,220,393 km (0.105 R)
• M10: 3,965,241 km (0.073 R)
• M11: 4,252,619 km (0.104 R)
• M12: 4,761,251 km (0.111 R)
• M13: 5,333,762 km (0.099 R)
• M14: 5,514,327 km (0.099 R)
• M15: 5,835,215 km (0.107 R)
• M16: 6,833,930 km (0.107 R)
• M17: 7,277,936 km (0.081 R)
• M18: 7,528,812 km (0.083 R)
• M19: 7,782,380 km (0.102 R)
• M20: 7,833,393 km (0.111 R)
• M21: 8,665,606 km (0.099 R)
• M22: 8,718,564 km (0.052 R)
• M23: 9,965,911 km (0.081 R)
• M24: 10,077,062 km (0.095 R)
• M25: 10,244,462 km (0.037 R)
• M26: 11,383,949 km (0.08 R)
• M27: 11,500,187 km (0.118 R)
• M28: 11,733,709 km (0.106 R)
• M29: 11,850,994 km (0.111 R)
• M30: 12,146,001 km (0.042 R)
• M31: 12,264,781 km (0.096 R)
• M32: 12,324,321 km (0.085 R)
• M33: 12,803,783 km (0.114 R)
• M34: 13,350,413 km (0.118 R)
• M35: 13,472,934 km (0.047 R)
• M36: 14,592,524 km (0.094 R)
• M37: 15,291,146 km (0.075 R)
• M38: 15,741,586 km (0.082 R)
• M39: 15,806,212 km (0.074 R)
• M40: 16,853,397 km (0.102 R)
• M41: 17,052,212 km (0.075 R)
• M42: 17,118,634 km (0.109 R)
• M43: 18,465,613 km (0.066 R)
• M44: 18,945,074 km (0.114 R)
• M45: 21,546,731 km (0.05 R)
• M46: 21,618,538 km (0.101 R)
• M47: 23,588,592 km (0.04 R)
• M48: 24,482,589 km (0.092 R)
• M49: 24,933,627 km (0.118 R)
• M50: 28,010,556 km (0.076 R)
• M51: 28,719,201 km (0.106 R)
• M52: 29,274,508 km (0.087 R)
• M53: 29,753,221 km (0.062 R)
• M54: 29,913,291 km (0.119 R)
• M55: 30,314,961 km (0.063 R)
• M56: 32,103,404 km (0.077 R)
• M57: 33,425,400 km (0.109 R)
• M58: 34,344,679 km (0.086 R)
• M59: 34,596,752 km (0.115 R)
• M60: 34,680,975 km (0.105 R)
• M61: 34,849,422 km (0.086 R)
• M62: 35,187,514 km (0.094 R)
• M63: 35,611,474 km (0.105 R)
• M64: 37,065,565 km (0.108 R)
• M65: 37,669,941 km (0.116 R)
• M66: 38,190,541 km (0.108 R)
• M67: 38,451,739 km (0.119 R)
• M68: 38,975,930 km (0.067 R)
• M69: 40,829,298 km (0.064 R)
• M70: 41,363,961 km (0.086 R)
• M71: 41,453,420 km (0.119 R)
• M72: 41,542,730 km (0.086 R)
• M73: 41,901,167 km (0.035 R)
• M74: 43,344,637 km (0.095 R)
• M75: 45,263,828 km (0.075 R)
• M76: 45,632,586 km (0.03 R)
• M77: 47,678,188 km (0.047 R)
• M78: 48,523,715 km (0.109 R)
• M79: 50,802,390 km (0.082 R)
• M80: 52,340,705 km (0.048 R)
• M81: 54,187,490 km (0.114 R)
• M82: 54,676,975 km (0.113 R)
• M83: 54,971,383 km (0.07 R)
• M84: 55,167,955 km (0.086 R)
• M85: 55,266,241 km (0.101 R)
• M86: 55,561,696 km (0.08 R)
• M87: 57,544,915 km (0.084 R)
• M88: 58,745,887 km (0.087 R)
• M89: 58,846,267 km (0.098 R)
• M90: 61,376,266 km (0.05 R)
• M91: 65,289,148 km (0.04 R)
• M92: 68,434,743 km (0.059 R)
• M93: 69,919,651 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.6

Radius: 5.2

Gravity: 21.73 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 13.19 AU - 15.79 AU

Year: 19386 Days

Day: 24.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 70,808,353 km

• M1: 106,065 km (0.11 R)
• M2: 169,494 km (0.064 R)
• M3: 221,405 km (0.073 R)
• M4: 508,184 km (0.12 R)
• M5: 588,668 km (0.101 R)
• M6: 651,948 km (0.101 R)
• M7: 762,650 km (0.104 R)
• M8: 927,806 km (0.109 R)
• M9: 1,431,352 km (0.101 R)
• M10: 1,665,473 km (0.101 R)
• M11: 1,786,947 km (0.069 R)
• M12: 2,335,372 km (0.064 R)
• M13: 2,859,563 km (0.063 R)
• M14: 3,266,470 km (0.092 R)
• M15: 3,342,465 km (0.102 R)
• M16: 4,256,957 km (0.068 R)
• M17: 4,849,365 km (0.105 R)
• M18: 6,250,349 km (0.061 R)
• M19: 6,872,676 km (0.046 R)
• M20: 7,364,703 km (0.091 R)
• M21: 7,665,245 km (0.115 R)
• M22: 7,715,809 km (0.102 R)
• M23: 8,854,698 km (0.093 R)
• M24: 10,044,899 km (0.108 R)
• M25: 10,100,250 km (0.057 R)
• M26: 10,155,601 km (0.067 R)
• M27: 11,055,582 km (0.056 R)
• M28: 12,631,296 km (0.088 R)
• M29: 13,414,740 km (0.12 R)
• M30: 15,600,664 km (0.084 R)
• M31: 16,964,399 km (0.086 R)
• M32: 18,095,957 km (0.117 R)
• M33: 18,365,682 km (0.058 R)
• M34: 18,841,104 km (0.072 R)
• M35: 19,114,569 km (0.053 R)
• M36: 23,443,931 km (0.109 R)
• M37: 25,377,035 km (0.101 R)
• M38: 25,527,829 km (0.106 R)
• M39: 25,830,466 km (0.104 R)
• M40: 28,059,025 km (0.105 R)
• M41: 28,136,966 km (0.118 R)
• M42: 28,215,056 km (0.042 R)
• M43: 28,763,183 km (0.104 R)
• M44: 29,552,311 km (0.105 R)
• M45: 30,428,506 km (0.041 R)
• M46: 31,313,228 km (0.111 R)
• M47: 32,615,178 km (0.114 R)
• M48: 32,697,008 km (0.115 R)
• M49: 35,524,109 km (0.07 R)
• M50: 36,370,384 km (0.096 R)
• M51: 37,394,681 km (0.08 R)
• M52: 39,035,620 km (0.084 R)
• M53: 40,084,151 km (0.05 R)
• M54: 40,259,779 km (0.103 R)
• M55: 42,566,429 km (0.108 R)
• M56: 43,916,699 km (0.078 R)
• M57: 44,279,025 km (0.072 R)
• M58: 44,551,592 km (0.109 R)
• M59: 45,830,355 km (0.044 R)
• M60: 46,843,581 km (0.087 R)
• M61: 48,143,886 km (0.078 R)
• M62: 54,431,036 km (0.108 R)
• M63: 55,503,802 km (0.055 R)
• M64: 55,895,599 km (0.108 R)
• M65: 56,583,450 km (0.076 R)
• M66: 56,879,055 km (0.044 R)
• M67: 57,175,259 km (0.058 R)
• M68: 57,669,979 km (0.084 R)
• M69: 58,564,126 km (0.066 R)
• M70: 62,898,874 km (0.063 R)
• M71: 63,409,451 km (0.11 R)
• M72: 64,846,787 km (0.104 R)
• M73: 66,191,074 km (0.068 R)
• M74: 67,335,647 km (0.049 R)
• M75: 67,544,336 km (0.118 R)
• M76: 68,067,330 km (0.085 R)
• M77: 68,381,785 km (0.099 R)
• M78: 69,012,041 km (0.098 R)
• M79: 69,327,992 km (0.04 R)
• M80: 69,433,309 km (0.055 R)
• M81: 69,538,775 km (0.063 R)
• M82: 69,644,242 km (0.1 R)
• M83: 70,278,387 km (0.068 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 11,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit