🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.51 AU - 0.53 AU

Year: 138 Days

Day: 43.8 Hours

Environment

Temp: 161 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,334,808 km

• M1: 18,101 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.67 AU - 0.81 AU

Year: 234 Days

Day: 31.1 Hours

Environment

Temp: 191 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 91,334,808 km

• M1: 106,514 km (0.107 R)
• M2: 153,637 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.84 AU - 1.16 AU

Year: 367 Days

Day: 47.4 Hours

Environment

Temp: 43 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 91,334,808 km

• M1: 37,699 km (0.043 R)
• M2: 516,412 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.99 AU - 1.61 AU

Year: 544 Days

Day: 21.4 Hours

Environment

Temp: -12 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.14 AU - 2.86 AU

Year: 1451 Days

Day: 14.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 11.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.91 AU - 7.87 AU

Year: 6639 Days

Day: 14.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,334,808 km

• M1: 141,220 km (0.036 R)
• M2: 572,361 km (0.113 R)
• M3: 977,622 km (0.117 R)
• M4: 1,414,149 km (0.077 R)
• M5: 2,501,725 km (0.086 R)
• M6: 2,955,904 km (0.078 R)
• M7: 5,207,651 km (0.098 R)
• M8: 8,342,924 km (0.032 R)
• M9: 9,028,231 km (0.083 R)
• M10: 10,193,599 km (0.04 R)
• M11: 11,263,224 km (0.077 R)
• M12: 11,652,328 km (0.049 R)
• M13: 12,457,613 km (0.047 R)
• M14: 13,085,625 km (0.052 R)
• M15: 14,291,533 km (0.034 R)
• M16: 18,088,178 km (0.112 R)
• M17: 18,757,778 km (0.083 R)
• M18: 19,305,306 km (0.12 R)
• M19: 22,663,030 km (0.087 R)
• M20: 25,967,946 km (0.091 R)
• M21: 28,222,685 km (0.115 R)
• M22: 28,580,823 km (0.103 R)
• M23: 30,136,641 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 10.1

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.97 AU - 13.71 AU

Year: 14955 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 117.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,334,808 km

• M1: 125,812 km (0.103 R)
• M2: 733,179 km (0.072 R)
• M3: 1,332,767 km (0.077 R)
• M4: 1,809,835 km (0.087 R)
• M5: 2,962,636 km (0.07 R)
• M6: 3,928,141 km (0.075 R)
• M7: 5,091,115 km (0.113 R)
• M8: 10,171,907 km (0.056 R)
• M9: 11,402,051 km (0.106 R)
• M10: 13,192,887 km (0.032 R)
• M11: 14,870,926 km (0.079 R)
• M12: 16,297,042 km (0.096 R)
• M13: 20,123,756 km (0.102 R)
• M14: 22,054,915 km (0.102 R)
• M15: 23,016,530 km (0.062 R)
• M16: 24,920,312 km (0.092 R)
• M17: 26,388,765 km (0.111 R)
• M18: 36,697,255 km (0.097 R)
• M19: 38,457,873 km (0.031 R)
• M20: 50,548,971 km (0.082 R)
• M21: 54,270,068 km (0.107 R)
• M22: 57,447,228 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.7

Radius: 4.9

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 11.9 AU - 16.66 AU

Year: 19809 Days

Day: 16.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,334,808 km

• M1: 61,186 km (0.088 R)
• M2: 328,667 km (0.031 R)
• M3: 543,339 km (0.061 R)
• M4: 736,470 km (0.11 R)
• M5: 1,101,489 km (0.075 R)
• M6: 1,415,645 km (0.12 R)
• M7: 1,641,089 km (0.09 R)
• M8: 2,527,306 km (0.083 R)
• M9: 2,837,124 km (0.072 R)
• M10: 3,025,318 km (0.106 R)
• M11: 4,746,441 km (0.102 R)
• M12: 4,978,468 km (0.046 R)
• M13: 5,465,259 km (0.033 R)
• M14: 5,945,019 km (0.083 R)
• M15: 6,372,570 km (0.094 R)
• M16: 7,420,204 km (0.119 R)
• M17: 9,224,953 km (0.104 R)
• M18: 17,505,195 km (0.117 R)
• M19: 20,048,209 km (0.082 R)
• M20: 23,298,073 km (0.108 R)
• M21: 24,259,539 km (0.114 R)
• M22: 27,726,170 km (0.057 R)
• M23: 29,244,738 km (0.038 R)
• M24: 38,998,071 km (0.11 R)
• M25: 40,214,900 km (0.071 R)
• M26: 40,763,625 km (0.108 R)
• M27: 41,876,184 km (0.115 R)
• M28: 49,291,900 km (0.101 R)
• M29: 50,713,379 km (0.105 R)
• M30: 55,649,062 km (0.086 R)
• M31: 55,989,097 km (0.106 R)
• M32: 56,159,639 km (0.075 R)
• M33: 56,501,620 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.7

Radius: 7.4

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 13.43 AU - 20.05 AU

Year: 25142 Days

Day: 19.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,334,808 km

• M1: 92,900 km (0.107 R)
• M2: 406,158 km (0.116 R)
• M3: 717,920 km (0.108 R)
• M4: 1,450,351 km (0.102 R)
• M5: 1,790,088 km (0.11 R)
• M6: 2,249,054 km (0.095 R)
• M7: 2,605,247 km (0.116 R)
• M8: 2,863,154 km (0.044 R)
• M9: 4,384,564 km (0.096 R)
• M10: 4,942,265 km (0.099 R)
• M11: 5,421,576 km (0.097 R)
• M12: 6,380,499 km (0.068 R)
• M13: 6,708,268 km (0.107 R)
• M14: 7,046,957 km (0.046 R)
• M15: 8,630,152 km (0.058 R)
• M16: 10,119,847 km (0.105 R)
• M17: 12,627,706 km (0.117 R)
• M18: 14,619,751 km (0.074 R)
• M19: 16,900,819 km (0.107 R)
• M20: 19,506,366 km (0.1 R)
• M21: 28,908,442 km (0.079 R)
• M22: 30,196,629 km (0.053 R)
• M23: 35,296,122 km (0.067 R)
• M24: 37,065,864 km (0.11 R)
• M25: 37,820,286 km (0.102 R)
• M26: 39,829,984 km (0.05 R)
• M27: 42,893,749 km (0.114 R)
• M28: 43,391,461 km (0.049 R)
• M29: 45,420,756 km (0.058 R)
• M30: 61,008,256 km (0.063 R)
• M31: 63,123,121 km (0.055 R)
• M32: 65,505,616 km (0.048 R)
• M33: 66,608,003 km (0.089 R)
• M34: 78,321,367 km (0.118 R)
• M35: 82,340,912 km (0.104 R)
• M36: 84,141,921 km (0.115 R)
• M37: 85,968,960 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 20,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit