🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.81 AU - 0.97 AU

Year: 299 Days

Day: 44.3 Hours

Environment

Temp: 115 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1 AU - 1.54 AU

Year: 510 Days

Day: 44.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.06 AU - 3.14 AU

Year: 1494 Days

Day: 12.2 Hours

Environment

Temp: -78 °C

Axial Tilt: 52.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,656,662 km

• M1: 113,844 km (0.114 R)
• M2: 171,589 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.96 AU - 3.44 AU

Year: 2040 Days

Day: 34.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.6

Radius: 12.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.6 AU - 5.9 AU

Year: 4288 Days

Day: 15 Hours

Environment

Temp: -141 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,656,662 km

• M1: 155,582 km (0.116 R)
• M2: 564,582 km (0.083 R)
• M3: 1,222,215 km (0.082 R)
• M4: 1,722,470 km (0.081 R)
• M5: 2,158,248 km (0.111 R)
• M6: 3,239,093 km (0.101 R)
• M7: 3,684,596 km (0.082 R)
• M8: 4,304,828 km (0.118 R)
• M9: 5,564,442 km (0.111 R)
• M10: 6,472,053 km (0.119 R)
• M11: 7,087,947 km (0.069 R)
• M12: 7,810,206 km (0.084 R)
• M13: 9,286,886 km (0.109 R)
• M14: 11,199,944 km (0.086 R)
• M15: 11,638,864 km (0.083 R)
• M16: 17,488,290 km (0.041 R)
• M17: 18,199,628 km (0.094 R)
• M18: 18,930,264 km (0.036 R)
• M19: 20,645,703 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 9.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.1 AU - 5.74 AU

Year: 4498 Days

Day: 9.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,656,662 km

• M1: 122,072 km (0.102 R)
• M2: 432,936 km (0.093 R)
• M3: 945,010 km (0.084 R)
• M4: 2,116,361 km (0.105 R)
• M5: 3,685,942 km (0.059 R)
• M6: 4,589,064 km (0.104 R)
• M7: 5,654,800 km (0.084 R)
• M8: 6,234,342 km (0.104 R)
• M9: 7,152,274 km (0.106 R)
• M10: 7,670,332 km (0.079 R)
• M11: 10,777,479 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 13.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.87 AU - 9.01 AU

Year: 7234 Days

Day: 12.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,656,662 km

• M1: 165,455 km (0.047 R)
• M2: 658,829 km (0.106 R)
• M3: 1,468,602 km (0.113 R)
• M4: 1,956,142 km (0.078 R)
• M5: 2,788,355 km (0.085 R)
• M6: 3,267,517 km (0.107 R)
• M7: 4,563,932 km (0.084 R)
• M8: 5,939,933 km (0.086 R)
• M9: 6,517,979 km (0.072 R)
• M10: 7,472,713 km (0.111 R)
• M11: 9,415,540 km (0.034 R)
• M12: 9,991,791 km (0.094 R)
• M13: 11,536,090 km (0.082 R)
• M14: 12,536,002 km (0.076 R)
• M15: 13,336,052 km (0.098 R)
• M16: 14,329,980 km (0.111 R)
• M17: 17,121,177 km (0.087 R)
• M18: 18,043,598 km (0.113 R)
• M19: 23,532,343 km (0.108 R)
• M20: 25,060,785 km (0.106 R)
• M21: 26,009,086 km (0.099 R)
• M22: 27,063,302 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 13.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.3 AU - 8.8 AU

Year: 7395 Days

Day: 12.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,656,662 km

• M1: 171,589 km (0.103 R)
• M2: 1,008,290 km (0.096 R)
• M3: 1,447,359 km (0.115 R)
• M4: 2,154,808 km (0.045 R)
• M5: 2,693,061 km (0.099 R)
• M6: 3,408,288 km (0.101 R)
• M7: 3,907,796 km (0.085 R)
• M8: 5,387,618 km (0.116 R)
• M9: 6,527,553 km (0.11 R)
• M10: 7,393,276 km (0.095 R)
• M11: 8,465,295 km (0.117 R)
• M12: 9,039,003 km (0.09 R)
• M13: 9,929,858 km (0.092 R)
• M14: 11,435,710 km (0.094 R)
• M15: 13,628,216 km (0.09 R)
• M16: 14,799,867 km (0.073 R)
• M17: 19,116,065 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 12.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.57 AU - 9.75 AU

Year: 8309 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,656,662 km

• M1: 153,487 km (0.105 R)
• M2: 614,698 km (0.102 R)
• M3: 1,052,421 km (0.093 R)
• M4: 1,772,286 km (0.096 R)
• M5: 2,385,637 km (0.091 R)
• M6: 3,435,216 km (0.11 R)
• M7: 4,040,489 km (0.111 R)
• M8: 5,285,742 km (0.118 R)
• M9: 9,150,902 km (0.106 R)
• M10: 9,722,216 km (0.102 R)
• M11: 10,131,665 km (0.115 R)
• M12: 11,529,957 km (0.086 R)
• M13: 11,989,073 km (0.055 R)
• M14: 13,273,370 km (0.057 R)
• M15: 18,425,521 km (0.106 R)
• M16: 20,133,031 km (0.096 R)
• M17: 20,724,990 km (0.11 R)
• M18: 25,800,247 km (0.051 R)
• M19: 28,025,366 km (0.071 R)
• M20: 28,485,379 km (0.102 R)
• M21: 30,860,994 km (0.051 R)
• M22: 31,450,260 km (0.062 R)
• M23: 33,779,050 km (0.094 R)
• M24: 34,720,768 km (0.114 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 18,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit