🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.56 AU - 0.62 AU

Year: 293 Days

Day: 23.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.4

Radius: 9.1

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.74 AU - 1.02 AU

Year: 533 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,180,441 km

• M1: 113,096 km (0.065 R)
• M2: 479,461 km (0.092 R)
• M3: 845,976 km (0.078 R)
• M4: 1,262,008 km (0.081 R)
• M5: 1,795,324 km (0.044 R)
• M6: 2,133,116 km (0.11 R)
• M7: 2,503,072 km (0.08 R)
• M8: 3,162,798 km (0.096 R)
• M9: 3,566,712 km (0.119 R)
• M10: 4,386,808 km (0.038 R)
• M11: 5,005,545 km (0.088 R)
• M12: 5,790,335 km (0.111 R)
• M13: 6,279,969 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.2

Radius: 9.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.75 AU - 1.15 AU

Year: 598 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 17,180,441 km

• M1: 116,836 km (0.096 R)
• M2: 452,384 km (0.087 R)
• M3: 1,766,302 km (0.095 R)
• M4: 2,199,238 km (0.077 R)
• M5: 3,801,880 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.3

Radius: 8.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.78 AU - 2.18 AU

Year: 1799 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,180,441 km

• M1: 102,475 km (0.03 R)
• M2: 368,759 km (0.037 R)
• M3: 744,698 km (0.089 R)
• M4: 1,002,455 km (0.091 R)
• M5: 1,258,268 km (0.045 R)
• M6: 1,697,786 km (0.118 R)
• M7: 1,959,283 km (0.08 R)
• M8: 2,342,403 km (0.11 R)
• M9: 3,155,617 km (0.077 R)
• M10: 3,603,065 km (0.08 R)
• M11: 4,039,442 km (0.067 R)
• M12: 5,018,261 km (0.11 R)
• M13: 5,286,041 km (0.071 R)
• M14: 5,541,554 km (0.056 R)
• M15: 6,054,675 km (0.096 R)
• M16: 7,150,030 km (0.032 R)
• M17: 7,977,905 km (0.061 R)
• M18: 9,727,751 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.1

Radius: 8.8

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.12 AU - 2.44 AU

Year: 2223 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,180,441 km

• M1: 110,553 km (0.084 R)
• M2: 910,901 km (0.034 R)
• M3: 1,496,278 km (0.11 R)
• M4: 2,064,451 km (0.08 R)
• M5: 2,639,804 km (0.11 R)
• M6: 3,557,138 km (0.105 R)
• M7: 3,918,417 km (0.084 R)
• M8: 4,384,414 km (0.053 R)
• M9: 4,843,530 km (0.106 R)
• M10: 5,311,472 km (0.058 R)
• M11: 6,707,520 km (0.067 R)
• M12: 7,490,814 km (0.093 R)
• M13: 8,209,482 km (0.102 R)
• M14: 8,940,567 km (0.092 R)
• M15: 10,171,159 km (0.118 R)
• M16: 11,472,362 km (0.094 R)
• M17: 16,087,007 km (0.037 R)

Asteroid Belt

Center: 2.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.52 AU - 3.22 AU

Year: 3139 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,180,441 km

• M1: 111,899 km (0.101 R)
• M2: 395,387 km (0.101 R)
• M3: 711,039 km (0.046 R)
• M4: 1,080,097 km (0.091 R)
• M5: 1,495,380 km (0.028 R)
• M6: 1,780,514 km (0.087 R)
• M7: 2,462,830 km (0.054 R)
• M8: 2,864,650 km (0.085 R)
• M9: 3,173,270 km (0.114 R)
• M10: 4,014,010 km (0.047 R)
• M11: 4,814,658 km (0.096 R)
• M12: 5,421,277 km (0.103 R)
• M13: 6,371,224 km (0.06 R)
• M14: 7,610,193 km (0.051 R)
• M15: 7,920,010 km (0.114 R)
• M16: 9,314,412 km (0.113 R)
• M17: 10,144,082 km (0.071 R)
• M18: 13,060,193 km (0.098 R)
• M19: 15,191,065 km (0.119 R)
• M20: 16,441,554 km (0.112 R)
• M21: 17,543,791 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 10.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.39 AU - 3.55 AU

Year: 4174 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,180,441 km

• M1: 126,859 km (0.027 R)
• M2: 619,485 km (0.117 R)
• M3: 1,019,958 km (0.094 R)
• M4: 1,419,385 km (0.077 R)
• M5: 2,574,579 km (0.068 R)
• M6: 3,141,256 km (0.043 R)
• M7: 5,928,713 km (0.102 R)
• M8: 6,793,239 km (0.11 R)
• M9: 8,845,872 km (0.098 R)
• M10: 13,778,562 km (0.118 R)
• M11: 14,443,226 km (0.117 R)
• M12: 17,850,467 km (0.051 R)
• M13: 25,362,374 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 10.2

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.09 AU - 4.75 AU

Year: 6000 Days

Day: 11.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,180,441 km

• M1: 127,158 km (0.07 R)
• M2: 459,116 km (0.092 R)
• M3: 813,064 km (0.071 R)
• M4: 1,461,272 km (0.109 R)
• M5: 2,391,920 km (0.119 R)
• M6: 3,158,161 km (0.08 R)
• M7: 4,355,841 km (0.089 R)
• M8: 4,697,822 km (0.082 R)
• M9: 5,029,480 km (0.081 R)
• M10: 5,959,530 km (0.107 R)
• M11: 7,107,245 km (0.112 R)
• M12: 7,847,904 km (0.094 R)
• M13: 8,680,267 km (0.046 R)
• M14: 9,012,374 km (0.066 R)
• M15: 13,746,548 km (0.073 R)
• M16: 14,718,934 km (0.031 R)
• M17: 15,675,613 km (0.098 R)
• M18: 16,169,136 km (0.067 R)
• M19: 21,919,678 km (0.074 R)
• M20: 25,885,219 km (0.101 R)
• M21: 28,718,602 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.9

Radius: 4.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.07 AU - 6.31 AU

Year: 9944 Days

Day: 22.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,180,441 km

• M1: 51,162 km (0.106 R)
• M2: 185,950 km (0.089 R)
• M3: 556,354 km (0.09 R)
• M4: 3,273,650 km (0.074 R)
• M5: 3,714,066 km (0.117 R)
• M6: 4,354,644 km (0.049 R)
• M7: 5,226,052 km (0.069 R)
• M8: 6,207,713 km (0.105 R)
• M9: 6,471,155 km (0.115 R)
• M10: 7,901,610 km (0.103 R)
• M11: 10,386,131 km (0.091 R)
• M12: 11,022,521 km (0.104 R)
• M13: 11,565,711 km (0.025 R)
• M14: 11,964,688 km (0.06 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 18,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit