🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.92 AU - 1.22 AU

Year: 387 Days

Day: 38.1 Hours

Environment

Temp: 112 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.04 AU - 1.28 AU

Year: 437 Days

Day: 47.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 22.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.52 AU - 2.08 AU

Year: 845 Days

Day: 19.6 Hours

Environment

Temp: -32 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.88 AU - 2.46 AU

Year: 1118 Days

Day: 28.2 Hours

Environment

Temp: -60 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.46 AU - 5.96 AU

Year: 4160 Days

Day: 32.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,326,848 km

• M1: 1,665,772 km (0.059 R)

Asteroid Belt

Center: 6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.8

Radius: 11.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.19 AU - 8.39 AU

Year: 6190 Days

Day: 12 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 86,326,848 km

• M1: 149,149 km (0.083 R)
• M2: 294,109 km (0.106 R)
• M3: 394,041 km (0.09 R)
• M4: 627,563 km (0.113 R)
• M5: 731,833 km (0.097 R)
• M6: 804,986 km (0.084 R)
• M7: 1,096,702 km (0.042 R)
• M8: 1,211,144 km (0.1 R)
• M9: 1,329,925 km (0.103 R)
• M10: 1,810,733 km (0.112 R)
• M11: 2,306,051 km (0.111 R)
• M12: 2,493,049 km (0.118 R)
• M13: 2,607,790 km (0.068 R)
• M14: 3,003,028 km (0.057 R)
• M15: 3,291,004 km (0.11 R)
• M16: 3,502,385 km (0.087 R)
• M17: 3,588,105 km (0.092 R)
• M18: 4,185,748 km (0.082 R)
• M19: 4,672,091 km (0.073 R)
• M20: 4,958,122 km (0.117 R)
• M21: 5,522,555 km (0.096 R)
• M22: 5,723,764 km (0.058 R)
• M23: 5,952,948 km (0.054 R)
• M24: 6,211,154 km (0.085 R)
• M25: 6,578,866 km (0.074 R)
• M26: 6,846,047 km (0.103 R)
• M27: 7,116,670 km (0.055 R)
• M28: 7,640,711 km (0.089 R)
• M29: 8,034,902 km (0.076 R)
• M30: 8,843,029 km (0.073 R)
• M31: 8,990,084 km (0.097 R)
• M32: 9,108,266 km (0.08 R)
• M33: 9,376,196 km (0.078 R)
• M34: 9,737,625 km (0.094 R)
• M35: 9,828,580 km (0.077 R)
• M36: 9,950,502 km (0.1 R)
• M37: 10,042,206 km (0.105 R)
• M38: 10,134,209 km (0.051 R)
• M39: 10,473,945 km (0.04 R)
• M40: 10,692,209 km (0.101 R)
• M41: 10,974,799 km (0.099 R)
• M42: 11,967,530 km (0.099 R)
• M43: 14,347,633 km (0.076 R)
• M44: 14,555,424 km (0.054 R)
• M45: 14,729,257 km (0.061 R)
• M46: 14,973,849 km (0.088 R)
• M47: 15,219,788 km (0.076 R)
• M48: 15,396,314 km (0.098 R)
• M49: 15,680,101 km (0.039 R)
• M50: 15,786,914 km (0.11 R)
• M51: 16,469,529 km (0.032 R)
• M52: 16,650,692 km (0.111 R)
• M53: 17,161,569 km (0.068 R)
• M54: 17,382,225 km (0.068 R)
• M55: 18,763,014 km (0.084 R)
• M56: 19,370,979 km (0.071 R)
• M57: 20,411,732 km (0.111 R)
• M58: 21,194,278 km (0.111 R)
• M59: 21,708,147 km (0.115 R)
• M60: 21,986,698 km (0.097 R)
• M61: 22,186,262 km (0.098 R)
• M62: 22,266,297 km (0.111 R)
• M63: 22,587,334 km (0.111 R)
• M64: 22,708,059 km (0.116 R)
• M65: 22,950,258 km (0.087 R)
• M66: 23,071,732 km (0.089 R)
• M67: 23,355,968 km (0.108 R)
• M68: 23,845,751 km (0.096 R)
• M69: 23,968,720 km (0.065 R)
• M70: 24,050,850 km (0.084 R)
• M71: 25,126,907 km (0.073 R)
• M72: 25,586,921 km (0.112 R)
• M73: 25,923,067 km (0.117 R)
• M74: 26,472,690 km (0.077 R)
• M75: 27,068,837 km (0.073 R)
• M76: 27,197,192 km (0.112 R)
• M77: 27,540,370 km (0.087 R)
• M78: 28,404,597 km (0.104 R)
• M79: 28,578,579 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.1

Radius: 7

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 11.2 AU - 17.16 AU

Year: 18681 Days

Day: 21.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 86,326,848 km

• M1: 93,798 km (0.072 R)
• M2: 162,014 km (0.108 R)
• M3: 253,269 km (0.103 R)
• M4: 331,808 km (0.117 R)
• M5: 383,569 km (0.066 R)
• M6: 664,813 km (0.082 R)
• M7: 827,127 km (0.119 R)
• M8: 900,729 km (0.119 R)
• M9: 1,162,076 km (0.063 R)
• M10: 1,359,097 km (0.104 R)
• M11: 1,848,581 km (0.098 R)
• M12: 2,459,239 km (0.112 R)
• M13: 3,089,196 km (0.064 R)
• M14: 3,808,014 km (0.107 R)
• M15: 3,891,041 km (0.085 R)
• M16: 5,626,077 km (0.103 R)
• M17: 6,250,947 km (0.12 R)
• M18: 7,049,949 km (0.118 R)
• M19: 7,565,613 km (0.064 R)
• M20: 7,617,823 km (0.08 R)
• M21: 7,933,773 km (0.114 R)
• M22: 8,254,063 km (0.119 R)
• M23: 8,415,778 km (0.069 R)
• M24: 9,296,012 km (0.089 R)
• M25: 9,464,160 km (0.096 R)
• M26: 9,690,202 km (0.088 R)
• M27: 10,262,863 km (0.064 R)
• M28: 10,378,651 km (0.06 R)
• M29: 10,905,386 km (0.12 R)
• M30: 11,560,923 km (0.065 R)
• M31: 12,909,997 km (0.04 R)
• M32: 15,421,147 km (0.082 R)
• M33: 15,887,443 km (0.109 R)
• M34: 17,590,316 km (0.104 R)
• M35: 17,659,729 km (0.066 R)
• M36: 18,077,556 km (0.114 R)
• M37: 18,922,934 km (0.07 R)
• M38: 18,993,993 km (0.115 R)
• M39: 19,781,177 km (0.063 R)
• M40: 20,433,274 km (0.071 R)
• M41: 22,206,158 km (0.106 R)
• M42: 23,491,503 km (0.089 R)
• M43: 23,644,392 km (0.101 R)
• M44: 23,720,837 km (0.093 R)
• M45: 24,645,651 km (0.075 R)
• M46: 25,503,595 km (0.08 R)
• M47: 26,848,779 km (0.029 R)
• M48: 27,088,584 km (0.059 R)
• M49: 27,168,619 km (0.073 R)
• M50: 28,216,851 km (0.109 R)
• M51: 28,950,330 km (0.114 R)
• M52: 29,278,248 km (0.032 R)
• M53: 30,269,633 km (0.065 R)
• M54: 32,200,343 km (0.083 R)
• M55: 33,997,612 km (0.099 R)
• M56: 34,430,249 km (0.119 R)
• M57: 34,517,016 km (0.098 R)
• M58: 34,690,849 km (0.07 R)
• M59: 35,388,723 km (0.106 R)
• M60: 36,003,121 km (0.058 R)
• M61: 36,179,347 km (0.087 R)
• M62: 38,046,778 km (0.099 R)
• M63: 38,946,908 km (0.098 R)
• M64: 39,218,428 km (0.108 R)
• M65: 41,689,336 km (0.08 R)
• M66: 43,083,738 km (0.098 R)
• M67: 43,364,533 km (0.077 R)
• M68: 44,304,606 km (0.084 R)
• M69: 45,156,416 km (0.101 R)
• M70: 45,631,988 km (0.109 R)
• M71: 46,972,535 km (0.053 R)
• M72: 47,261,408 km (0.119 R)
• M73: 49,398,114 km (0.101 R)
• M74: 52,262,465 km (0.087 R)
• M75: 52,761,823 km (0.048 R)
• M76: 55,688,705 km (0.073 R)
• M77: 55,994,483 km (0.089 R)
• M78: 56,710,159 km (0.078 R)
• M79: 57,737,747 km (0.116 R)
• M80: 58,771,618 km (0.112 R)
• M81: 59,290,722 km (0.03 R)
• M82: 60,020,162 km (0.099 R)
• M83: 61,067,347 km (0.101 R)
• M84: 61,277,532 km (0.102 R)
• M85: 61,909,433 km (0.111 R)
• M86: 63,073,454 km (0.066 R)
• M87: 65,208,515 km (0.11 R)
• M88: 67,475,671 km (0.078 R)
• M89: 68,673,501 km (0.098 R)
• M90: 69,768,557 km (0.093 R)
• M91: 70,098,121 km (0.088 R)
• M92: 71,532,615 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530

Radius: 3.5

Gravity: 43.27 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 14.42 AU - 22.26 AU

Year: 27477 Days

Day: 17.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 86,326,848 km

• M1: 469,588 km (0.072 R)
• M2: 491,878 km (0.106 R)
• M3: 682,615 km (0.075 R)
• M4: 1,675,945 km (0.112 R)
• M5: 2,257,731 km (0.102 R)
• M6: 2,569,942 km (0.068 R)
• M7: 3,105,951 km (0.096 R)
• M8: 3,630,292 km (0.098 R)
• M9: 3,811,006 km (0.114 R)
• M10: 5,411,105 km (0.116 R)
• M11: 5,617,550 km (0.098 R)
• M12: 5,879,196 km (0.049 R)
• M13: 5,932,004 km (0.092 R)
• M14: 5,984,962 km (0.117 R)
• M15: 6,144,882 km (0.117 R)
• M16: 6,468,762 km (0.032 R)
• M17: 6,523,215 km (0.036 R)
• M18: 6,853,677 km (0.108 R)
• M19: 7,587,903 km (0.111 R)
• M20: 9,129,808 km (0.054 R)
• M21: 9,437,082 km (0.086 R)
• M22: 9,873,011 km (0.108 R)
• M23: 10,379,100 km (0.104 R)
• M24: 10,958,642 km (0.101 R)
• M25: 11,088,793 km (0.103 R)
• M26: 12,216,013 km (0.112 R)
• M27: 13,033,415 km (0.039 R)
• M28: 14,221,372 km (0.075 R)
• M29: 14,363,340 km (0.115 R)
• M30: 14,720,430 km (0.104 R)
• M31: 15,662,448 km (0.111 R)
• M32: 18,216,682 km (0.042 R)
• M33: 24,287,962 km (0.119 R)
• M34: 24,713,119 km (0.065 R)
• M35: 26,176,635 km (0.087 R)
• M36: 26,350,767 km (0.032 R)
• M37: 30,640,785 km (0.1 R)
• M38: 33,902,468 km (0.056 R)
• M39: 34,092,158 km (0.069 R)
• M40: 34,663,323 km (0.086 R)
• M41: 35,333,671 km (0.105 R)
• M42: 37,959,113 km (0.031 R)
• M43: 38,452,188 km (0.12 R)
• M44: 38,848,173 km (0.084 R)
• M45: 39,944,127 km (0.119 R)
• M46: 40,244,670 km (0.062 R)
• M47: 41,759,049 km (0.063 R)
• M48: 43,807,044 km (0.073 R)
• M49: 44,117,160 km (0.11 R)
• M50: 44,427,875 km (0.042 R)
• M51: 44,635,367 km (0.103 R)
• M52: 47,681,030 km (0.082 R)
• M53: 51,118,789 km (0.072 R)
• M54: 51,445,212 km (0.033 R)
• M55: 53,417,809 km (0.096 R)
• M56: 53,528,063 km (0.098 R)
• M57: 55,862,238 km (0.118 R)
• M58: 57,436,606 km (0.11 R)
• M59: 57,549,553 km (0.084 R)
• M60: 58,002,386 km (0.103 R)
• M61: 59,139,629 km (0.07 R)
• M62: 59,482,208 km (0.091 R)
• M63: 62,014,451 km (0.067 R)
• M64: 62,362,565 km (0.063 R)
• M65: 62,827,665 km (0.108 R)
• M66: 62,944,052 km (0.052 R)
• M67: 64,934,601 km (0.077 R)
• M68: 65,878,414 km (0.093 R)
• M69: 66,826,865 km (0.1 R)
• M70: 70,786,421 km (0.092 R)
• M71: 71,879,533 km (0.086 R)
• M72: 73,100,401 km (0.083 R)
• M73: 73,959,243 km (0.091 R)
• M74: 74,082,212 km (0.102 R)
• M75: 74,205,181 km (0.042 R)
• M76: 75,191,779 km (0.097 R)
• M77: 75,315,497 km (0.056 R)
• M78: 75,562,932 km (0.068 R)
• M79: 78,302,817 km (0.107 R)
• M80: 78,553,543 km (0.029 R)
• M81: 84,135,937 km (0.088 R)
• M82: 85,680,535 km (0.093 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 13,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit