🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.22 AU - 1.96 AU

Year: 901 Days

Day: 16.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.1 AU - 2.3 AU

Year: 1467 Days

Day: 13.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.6

Radius: 8.7

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.29 AU - 3.15 AU

Year: 2017 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,637,491 km

• M1: 131,497 km (0.081 R)
• M2: 407,205 km (0.112 R)
• M3: 686,056 km (0.103 R)
• M4: 1,078,601 km (0.091 R)
• M5: 1,403,228 km (0.105 R)
• M6: 1,703,770 km (0.111 R)
• M7: 2,218,985 km (0.06 R)
• M8: 3,228,322 km (0.077 R)
• M9: 3,675,021 km (0.12 R)
• M10: 4,162,262 km (0.104 R)
• M11: 4,932,691 km (0.104 R)
• M12: 6,529,498 km (0.1 R)
• M13: 6,804,758 km (0.063 R)
• M14: 7,351,539 km (0.047 R)
• M15: 7,983,889 km (0.082 R)
• M16: 8,862,627 km (0.111 R)
• M17: 11,126,342 km (0.074 R)
• M18: 11,996,702 km (0.109 R)
• M19: 12,601,676 km (0.074 R)
• M20: 13,068,720 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.3

Radius: 11.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.51 AU - 4.53 AU

Year: 4320 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,637,491 km

• M1: 148,401 km (0.095 R)
• M2: 768,484 km (0.105 R)
• M3: 1,438,533 km (0.095 R)
• M4: 1,988,754 km (0.093 R)
• M5: 2,758,585 km (0.084 R)
• M6: 3,140,059 km (0.039 R)
• M7: 6,675,506 km (0.05 R)
• M8: 9,548,682 km (0.053 R)
• M9: 10,266,453 km (0.083 R)
• M10: 11,192,165 km (0.083 R)
• M11: 11,630,935 km (0.108 R)
• M12: 12,543,033 km (0.089 R)
• M13: 13,112,852 km (0.109 R)
• M14: 19,045,754 km (0.067 R)
• M15: 23,437,199 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.4

Radius: 11.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.95 AU - 9.61 AU

Year: 10712 Days

Day: 8.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,637,491 km

• M1: 147,952 km (0.095 R)
• M2: 526,884 km (0.065 R)
• M3: 1,135,448 km (0.061 R)
• M4: 2,002,667 km (0.086 R)
• M5: 2,513,992 km (0.115 R)
• M6: 2,959,046 km (0.03 R)
• M7: 4,889,457 km (0.109 R)
• M8: 6,913,366 km (0.102 R)
• M9: 8,437,619 km (0.098 R)
• M10: 9,491,835 km (0.093 R)
• M11: 10,275,429 km (0.065 R)
• M12: 11,261,578 km (0.036 R)
• M13: 12,083,768 km (0.113 R)
• M14: 12,596,141 km (0.105 R)
• M15: 15,246,566 km (0.111 R)
• M16: 16,116,179 km (0.104 R)
• M17: 16,947,943 km (0.103 R)
• M18: 18,999,977 km (0.088 R)
• M19: 34,782,851 km (0.11 R)
• M20: 36,642,203 km (0.09 R)
• M21: 41,193,868 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 13.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.29 AU - 10.65 AU

Year: 12078 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,637,491 km

• M1: 563,236 km (0.055 R)
• M2: 1,638,994 km (0.045 R)
• M3: 3,280,233 km (0.088 R)
• M4: 4,020,443 km (0.12 R)
• M5: 5,800,209 km (0.081 R)
• M6: 6,383,192 km (0.053 R)
• M7: 7,540,181 km (0.059 R)
• M8: 8,738,909 km (0.117 R)
• M9: 9,756,324 km (0.11 R)
• M10: 10,636,558 km (0.074 R)
• M11: 11,289,254 km (0.115 R)
• M12: 12,318,337 km (0.086 R)
• M13: 13,914,248 km (0.092 R)
• M14: 15,029,799 km (0.069 R)
• M15: 20,176,714 km (0.087 R)
• M16: 21,864,028 km (0.117 R)
• M17: 22,653,306 km (0.12 R)
• M18: 26,887,973 km (0.094 R)
• M19: 32,746,675 km (0.088 R)
• M20: 41,100,818 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.3

Radius: 5.8

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 10.19 AU - 14.25 AU

Year: 19205 Days

Day: 23 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,637,491 km

• M1: 72,555 km (0.077 R)
• M2: 270,623 km (0.065 R)
• M3: 558,150 km (0.058 R)
• M4: 1,050,626 km (0.06 R)
• M5: 1,232,238 km (0.081 R)
• M6: 1,660,088 km (0.091 R)
• M7: 4,762,598 km (0.103 R)
• M8: 6,876,565 km (0.105 R)
• M9: 7,233,955 km (0.097 R)
• M10: 8,159,666 km (0.028 R)
• M11: 8,380,772 km (0.05 R)
• M12: 14,186,665 km (0.026 R)
• M13: 14,896,657 km (0.079 R)
• M14: 16,952,880 km (0.104 R)
• M15: 18,499,871 km (0.087 R)
• M16: 20,138,716 km (0.042 R)
• M17: 22,818,462 km (0.104 R)
• M18: 24,425,592 km (0.062 R)
• M19: 29,593,600 km (0.104 R)
• M20: 30,326,331 km (0.053 R)
• M21: 44,294,284 km (0.072 R)
• M22: 44,703,434 km (0.048 R)
• M23: 46,786,435 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 18,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit