🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.46 AU - 0.62 AU

Year: 139 Days

Day: 40.6 Hours

Environment

Temp: 259 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.66 AU - 0.74 AU

Year: 205 Days

Day: 38.8 Hours

Environment

Temp: 168 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.84 AU - 0.92 AU

Year: 289 Days

Day: 25.1 Hours

Environment

Temp: 113 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,771,254 km

• M1: 416,480 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.99 AU - 1.65 AU

Year: 531 Days

Day: 34.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 77,771,254 km

• M1: 142,567 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.42 AU - 4.06 AU

Year: 2530 Days

Day: 12.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.46 AU - 4.96 AU

Year: 3576 Days

Day: 42 Hours

Environment

Temp: -128 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.6 AU - 5.94 AU

Year: 3645 Days

Day: 43.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 9.2

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.03 AU - 11.63 AU

Year: 9970 Days

Day: 7.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 77,771,254 km

• M1: 115,340 km (0.08 R)
• M2: 265,087 km (0.083 R)
• M3: 1,245,552 km (0.057 R)
• M4: 1,411,606 km (0.074 R)
• M5: 1,521,261 km (0.08 R)
• M6: 1,585,139 km (0.103 R)
• M7: 1,867,281 km (0.116 R)
• M8: 2,040,814 km (0.117 R)
• M9: 2,310,988 km (0.106 R)
• M10: 3,046,411 km (0.111 R)
• M11: 3,127,792 km (0.094 R)
• M12: 3,189,427 km (0.105 R)
• M13: 3,292,948 km (0.047 R)
• M14: 3,653,330 km (0.064 R)
• M15: 3,739,947 km (0.11 R)
• M16: 3,849,303 km (0.048 R)
• M17: 4,048,717 km (0.104 R)
• M18: 4,228,982 km (0.063 R)
• M19: 4,342,976 km (0.111 R)
• M20: 4,481,055 km (0.116 R)
• M21: 4,928,053 km (0.119 R)
• M22: 5,024,095 km (0.117 R)
• M23: 5,291,127 km (0.109 R)
• M24: 5,788,690 km (0.062 R)
• M25: 6,379,452 km (0.113 R)
• M26: 7,205,830 km (0.079 R)
• M27: 7,756,799 km (0.109 R)
• M28: 8,522,142 km (0.119 R)
• M29: 8,840,935 km (0.057 R)
• M30: 9,971,895 km (0.104 R)
• M31: 11,624,054 km (0.104 R)
• M32: 11,720,096 km (0.084 R)
• M33: 11,848,600 km (0.114 R)
• M34: 12,959,364 km (0.093 R)
• M35: 13,225,649 km (0.116 R)
• M36: 14,103,190 km (0.096 R)
• M37: 14,274,180 km (0.101 R)
• M38: 15,454,806 km (0.105 R)
• M39: 16,342,819 km (0.107 R)
• M40: 16,522,337 km (0.1 R)
• M41: 16,883,466 km (0.088 R)
• M42: 17,503,400 km (0.116 R)
• M43: 17,687,106 km (0.08 R)
• M44: 18,130,813 km (0.072 R)
• M45: 19,750,360 km (0.092 R)
• M46: 19,865,101 km (0.091 R)
• M47: 20,558,039 km (0.034 R)
• M48: 20,674,276 km (0.088 R)
• M49: 22,285,146 km (0.1 R)
• M50: 22,364,732 km (0.035 R)
• M51: 22,724,066 km (0.115 R)
• M52: 23,287,003 km (0.037 R)
• M53: 24,180,701 km (0.067 R)
• M54: 25,003,040 km (0.058 R)
• M55: 25,334,549 km (0.035 R)
• M56: 25,417,576 km (0.087 R)
• M57: 26,421,826 km (0.101 R)
• M58: 26,928,814 km (0.074 R)
• M59: 27,098,607 km (0.114 R)
• M60: 27,481,727 km (0.103 R)
• M61: 27,823,858 km (0.102 R)
• M62: 28,512,157 km (0.105 R)
• M63: 28,728,476 km (0.102 R)
• M64: 28,858,476 km (0.114 R)
• M65: 29,032,160 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.3

Radius: 6.1

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 16.64 AU - 17.92 AU

Year: 25130 Days

Day: 22.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 77,771,254 km

• M1: 78,389 km (0.112 R)
• M2: 218,562 km (0.081 R)
• M3: 401,521 km (0.111 R)
• M4: 459,565 km (0.104 R)
• M5: 584,628 km (0.118 R)
• M6: 697,425 km (0.095 R)
• M7: 744,549 km (0.09 R)
• M8: 793,018 km (0.064 R)
• M9: 970,741 km (0.07 R)
• M10: 1,423,274 km (0.1 R)
• M11: 1,484,011 km (0.109 R)
• M12: 1,576,911 km (0.069 R)
• M13: 1,801,009 km (0.052 R)
• M14: 2,644,142 km (0.025 R)
• M15: 2,719,390 km (0.093 R)
• M16: 2,833,384 km (0.114 R)
• M17: 3,550,855 km (0.076 R)
• M18: 4,145,806 km (0.12 R)
• M19: 4,189,488 km (0.08 R)
• M20: 6,208,162 km (0.102 R)
• M21: 6,561,363 km (0.082 R)
• M22: 6,612,375 km (0.057 R)
• M23: 6,817,773 km (0.12 R)
• M24: 7,287,361 km (0.119 R)
• M25: 9,846,083 km (0.09 R)
• M26: 9,904,576 km (0.096 R)
• M27: 10,734,844 km (0.087 R)
• M28: 11,158,356 km (0.117 R)
• M29: 11,464,283 km (0.102 R)
• M30: 11,649,037 km (0.087 R)
• M31: 12,778,800 km (0.115 R)
• M32: 13,551,024 km (0.095 R)
• M33: 13,681,324 km (0.045 R)
• M34: 14,404,779 km (0.112 R)
• M35: 14,871,674 km (0.112 R)
• M36: 14,938,694 km (0.047 R)
• M37: 15,547,108 km (0.069 R)
• M38: 15,820,124 km (0.112 R)
• M39: 16,025,971 km (0.079 R)
• M40: 17,491,282 km (0.094 R)
• M41: 17,989,294 km (0.043 R)
• M42: 18,203,966 km (0.086 R)
• M43: 18,853,520 km (0.104 R)
• M44: 18,926,225 km (0.066 R)
• M45: 19,290,795 km (0.101 R)
• M46: 19,364,098 km (0.097 R)
• M47: 21,450,839 km (0.074 R)
• M48: 21,678,676 km (0.067 R)
• M49: 22,366,826 km (0.113 R)
• M50: 23,451,561 km (0.099 R)
• M51: 23,529,651 km (0.1 R)
• M52: 23,921,747 km (0.099 R)
• M53: 25,511,074 km (0.081 R)
• M54: 29,546,627 km (0.097 R)
• M55: 31,249,948 km (0.113 R)
• M56: 31,335,967 km (0.088 R)
• M57: 33,072,349 km (0.029 R)
• M58: 35,915,008 km (0.053 R)
• M59: 36,547,059 km (0.071 R)
• M60: 38,742,408 km (0.102 R)
• M61: 39,205,114 km (0.098 R)
• M62: 41,074,040 km (0.058 R)
• M63: 42,304,483 km (0.113 R)
• M64: 43,546,893 km (0.047 R)
• M65: 43,739,126 km (0.115 R)
• M66: 44,220,831 km (0.112 R)
• M67: 44,510,752 km (0.109 R)
• M68: 45,286,866 km (0.034 R)
• M69: 46,263,291 km (0.082 R)
• M70: 46,754,122 km (0.101 R)
• M71: 48,635,016 km (0.086 R)
• M72: 49,735,158 km (0.076 R)
• M73: 51,756,525 km (0.079 R)
• M74: 52,572,432 km (0.066 R)
• M75: 53,598,524 km (0.076 R)
• M76: 54,010,666 km (0.114 R)
• M77: 55,045,883 km (0.113 R)
• M78: 56,925,730 km (0.109 R)
• M79: 58,932,735 km (0.079 R)
• M80: 59,784,695 km (0.101 R)
• M81: 63,450,740 km (0.109 R)
• M82: 66,081,867 km (0.085 R)
• M83: 66,745,334 km (0.115 R)
• M84: 67,522,046 km (0.092 R)
• M85: 68,972,397 km (0.082 R)
• M86: 69,196,495 km (0.053 R)
• M87: 69,308,693 km (0.03 R)
• M88: 70,658,814 km (0.086 R)
• M89: 70,997,653 km (0.109 R)
• M90: 71,337,091 km (0.117 R)
• M91: 71,563,732 km (0.082 R)
• M92: 75,567,420 km (0.071 R)
• M93: 76,261,105 km (0.104 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 10,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit