🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.68 AU - 0.86 AU

Year: 251 Days

Day: 46.3 Hours

Environment

Temp: 106 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,109,841 km

• M1: 122,670 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.89 AU - 1.17 AU

Year: 388 Days

Day: 35.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 8.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 80,109,841 km

• M1: 49,218 km (0.104 R)
• M2: 137,480 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.17 AU - 2.53 AU

Year: 1336 Days

Day: 24.8 Hours

Environment

Temp: -77 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,109,841 km

• M1: 33,360 km (0.099 R)
• M2: 353,949 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.2 AU - 2.86 AU

Year: 1492 Days

Day: 24.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,109,841 km

• M1: 29,172 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.07 AU - 3.37 AU

Year: 2143 Days

Day: 30 Hours

Environment

Temp: -103 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,109,841 km

• M1: 254,017 km (0.119 R)
• M2: 1,171,202 km (0.115 R)

Asteroid Belt

Center: 7.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 14

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 9.07 AU - 13.73 AU

Year: 14275 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,109,841 km

• M1: 176,974 km (0.086 R)
• M2: 639,980 km (0.088 R)
• M3: 1,241,214 km (0.097 R)
• M4: 3,625,654 km (0.116 R)
• M5: 5,012,576 km (0.032 R)
• M6: 6,728,613 km (0.119 R)
• M7: 7,541,677 km (0.113 R)
• M8: 12,189,085 km (0.096 R)
• M9: 18,467,857 km (0.105 R)
• M10: 20,321,225 km (0.034 R)
• M11: 21,744,948 km (0.044 R)
• M12: 22,203,166 km (0.036 R)
• M13: 26,105,277 km (0.11 R)
• M14: 28,984,139 km (0.106 R)
• M15: 34,242,205 km (0.059 R)
• M16: 39,422,031 km (0.105 R)
• M17: 42,625,370 km (0.103 R)
• M18: 46,754,571 km (0.118 R)
• M19: 48,136,556 km (0.108 R)
• M20: 49,703,893 km (0.05 R)
• M21: 50,981,907 km (0.11 R)
• M22: 59,471,437 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.2

Radius: 8.2

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 9.54 AU - 14.36 AU

Year: 15320 Days

Day: 7.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,109,841 km

• M1: 102,774 km (0.119 R)
• M2: 420,220 km (0.09 R)
• M3: 837,000 km (0.117 R)
• M4: 1,456,634 km (0.075 R)
• M5: 1,815,969 km (0.115 R)
• M6: 2,137,604 km (0.109 R)
• M7: 2,476,294 km (0.092 R)
• M8: 2,759,183 km (0.08 R)
• M9: 3,576,287 km (0.116 R)
• M10: 4,055,748 km (0.067 R)
• M11: 4,772,172 km (0.098 R)
• M12: 5,533,625 km (0.09 R)
• M13: 6,576,173 km (0.078 R)
• M14: 8,498,356 km (0.102 R)
• M15: 12,320,432 km (0.119 R)
• M16: 13,020,400 km (0.037 R)
• M17: 15,789,906 km (0.039 R)
• M18: 29,548,123 km (0.107 R)
• M19: 30,112,855 km (0.103 R)
• M20: 31,147,623 km (0.111 R)
• M21: 37,463,346 km (0.073 R)
• M22: 38,391,750 km (0.086 R)
• M23: 40,018,926 km (0.103 R)
• M24: 40,432,864 km (0.093 R)
• M25: 41,550,509 km (0.075 R)
• M26: 42,545,186 km (0.071 R)
• M27: 43,410,460 km (0.071 R)
• M28: 46,835,802 km (0.087 R)
• M29: 53,048,751 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.1

Radius: 4.3

Gravity: 21.04 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 15.92 AU - 16.74 AU

Year: 24473 Days

Day: 17.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,109,841 km

• M1: 146,756 km (0.098 R)
• M2: 439,519 km (0.089 R)
• M3: 810,072 km (0.057 R)
• M4: 1,074,412 km (0.081 R)
• M5: 1,319,603 km (0.066 R)
• M6: 1,471,445 km (0.101 R)
• M7: 3,702,398 km (0.109 R)
• M8: 3,975,115 km (0.103 R)
• M9: 4,326,670 km (0.069 R)
• M10: 5,128,065 km (0.1 R)
• M11: 5,352,612 km (0.084 R)
• M12: 7,822,772 km (0.099 R)
• M13: 8,897,034 km (0.092 R)
• M14: 14,036,170 km (0.109 R)
• M15: 21,429,895 km (0.066 R)
• M16: 23,513,195 km (0.112 R)
• M17: 39,917,948 km (0.095 R)
• M18: 41,094,685 km (0.119 R)
• M19: 42,143,216 km (0.094 R)
• M20: 47,326,782 km (0.091 R)
• M21: 47,653,953 km (0.111 R)
• M22: 48,644,440 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.5

Radius: 6.2

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 16.19 AU - 22.21 AU

Year: 31200 Days

Day: 20.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,109,841 km

• M1: 102,325 km (0.109 R)
• M2: 352,602 km (0.118 R)
• M3: 828,922 km (0.074 R)
• M4: 1,312,721 km (0.096 R)
• M5: 2,675,109 km (0.103 R)
• M6: 5,354,407 km (0.119 R)
• M7: 5,552,774 km (0.096 R)
• M8: 6,177,644 km (0.09 R)
• M9: 6,619,556 km (0.084 R)
• M10: 8,817,897 km (0.079 R)
• M11: 11,658,162 km (0.087 R)
• M12: 15,692,517 km (0.11 R)
• M13: 17,888,016 km (0.083 R)
• M14: 21,552,715 km (0.115 R)
• M15: 24,800,485 km (0.08 R)
• M16: 35,487,607 km (0.076 R)
• M17: 41,671,534 km (0.089 R)
• M18: 44,366,241 km (0.094 R)
• M19: 50,805,082 km (0.106 R)
• M20: 55,364,227 km (0.094 R)
• M21: 66,339,026 km (0.053 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 18,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit