🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.67 AU

Year: 153 Days

Day: 44.6 Hours

Environment

Temp: 161 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,978,229 km

• M1: 179,218 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.65 AU - 0.89 AU

Year: 241 Days

Day: 27.1 Hours

Environment

Temp: 176 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 54,978,229 km

• M1: 74,799 km (0.113 R)
• M2: 115,938 km (0.04 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.12 AU - 1.28 AU

Year: 469 Days

Day: 45 Hours

Environment

Temp: 24 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 54,978,229 km

• M1: 33,959 km (0.04 R)
• M2: 169,794 km (0.101 R)

Asteroid Belt

Center: 3.66 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 11.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.89 AU - 7.33 AU

Year: 5383 Days

Day: 14.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,978,229 km

• M1: 143,464 km (0.111 R)
• M2: 626,067 km (0.102 R)
• M3: 1,374,804 km (0.118 R)
• M4: 2,029,894 km (0.033 R)
• M5: 3,069,150 km (0.088 R)
• M6: 3,872,640 km (0.115 R)
• M7: 4,863,128 km (0.098 R)
• M8: 7,135,370 km (0.101 R)
• M9: 10,255,233 km (0.049 R)
• M10: 11,471,015 km (0.118 R)
• M11: 12,186,841 km (0.092 R)
• M12: 14,513,686 km (0.084 R)
• M13: 15,694,911 km (0.093 R)
• M14: 17,000,152 km (0.065 R)
• M15: 18,569,733 km (0.046 R)
• M16: 22,653,755 km (0.105 R)
• M17: 24,164,095 km (0.099 R)
• M18: 26,226,452 km (0.109 R)
• M19: 28,146,540 km (0.042 R)
• M20: 29,184,600 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.5

Radius: 13.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.69 AU - 6.85 AU

Year: 5596 Days

Day: 11.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,978,229 km

• M1: 171,140 km (0.048 R)
• M2: 1,301,202 km (0.096 R)
• M3: 1,816,567 km (0.075 R)
• M4: 2,329,388 km (0.067 R)
• M5: 2,868,390 km (0.083 R)
• M6: 4,554,956 km (0.071 R)
• M7: 5,599,149 km (0.111 R)
• M8: 7,491,263 km (0.092 R)
• M9: 10,795,282 km (0.07 R)
• M10: 11,374,674 km (0.093 R)
• M11: 12,644,610 km (0.101 R)
• M12: 13,088,318 km (0.052 R)
• M13: 16,492,268 km (0.104 R)
• M14: 17,442,813 km (0.094 R)
• M15: 18,936,697 km (0.049 R)
• M16: 20,446,887 km (0.08 R)
• M17: 22,535,722 km (0.096 R)
• M18: 23,855,325 km (0.078 R)
• M19: 25,381,373 km (0.094 R)
• M20: 26,327,580 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.5

Radius: 11.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.11 AU - 6.95 AU

Year: 5948 Days

Day: 8.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,978,229 km

• M1: 143,464 km (0.086 R)
• M2: 551,717 km (0.084 R)
• M3: 1,396,197 km (0.048 R)
• M4: 2,004,163 km (0.095 R)
• M5: 2,749,010 km (0.112 R)
• M6: 4,225,093 km (0.115 R)
• M7: 6,498,980 km (0.059 R)
• M8: 9,766,048 km (0.064 R)
• M9: 11,529,508 km (0.074 R)
• M10: 12,346,911 km (0.12 R)
• M11: 14,611,224 km (0.087 R)
• M12: 15,786,764 km (0.053 R)
• M13: 16,966,493 km (0.048 R)
• M14: 22,906,276 km (0.081 R)
• M15: 24,490,368 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.5

Radius: 7.1

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 11.43 AU - 15.03 AU

Year: 17153 Days

Day: 21.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,978,229 km

• M1: 89,460 km (0.105 R)
• M2: 440,715 km (0.057 R)
• M3: 1,295,069 km (0.102 R)
• M4: 2,291,540 km (0.072 R)
• M5: 3,332,442 km (0.055 R)
• M6: 4,045,725 km (0.057 R)
• M7: 6,904,839 km (0.114 R)
• M8: 9,514,125 km (0.049 R)
• M9: 11,137,711 km (0.099 R)
• M10: 13,616,697 km (0.077 R)
• M11: 17,851,963 km (0.074 R)
• M12: 21,065,624 km (0.056 R)
• M13: 23,053,331 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.7

Radius: 6.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 19.92 AU - 20.48 AU

Year: 32361 Days

Day: 22.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,978,229 km

• M1: 82,279 km (0.11 R)
• M2: 470,635 km (0.117 R)
• M3: 715,826 km (0.031 R)
• M4: 1,013,974 km (0.075 R)
• M5: 1,880,894 km (0.101 R)
• M6: 2,817,825 km (0.1 R)
• M7: 3,023,523 km (0.089 R)
• M8: 5,460,322 km (0.116 R)
• M9: 6,077,563 km (0.03 R)
• M10: 7,935,269 km (0.026 R)
• M11: 11,299,426 km (0.06 R)
• M12: 14,005,652 km (0.116 R)
• M13: 14,812,732 km (0.089 R)
• M14: 18,830,931 km (0.109 R)
• M15: 27,250,898 km (0.098 R)
• M16: 32,041,620 km (0.113 R)
• M17: 32,503,129 km (0.032 R)
• M18: 43,529,839 km (0.105 R)
• M19: 44,954,160 km (0.05 R)
• M20: 45,387,545 km (0.116 R)
• M21: 52,704,676 km (0.095 R)
• M22: 53,509,363 km (0.099 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 17,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit