🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.71 AU - 1.11 AU

Year: 317 Days

Day: 31.5 Hours

Environment

Temp: 101 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.07 AU - 1.25 AU

Year: 456 Days

Day: 22.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 19.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.36 AU - 3.34 AU

Year: 1757 Days

Day: 42.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.1 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.6

Radius: 14.2

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.69 AU - 5.99 AU

Year: 4507 Days

Day: 6 Hours

Environment

Temp: -135 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,482,002 km

• M1: 176,974 km (0.106 R)
• M2: 946,057 km (0.112 R)
• M3: 1,797,718 km (0.113 R)
• M4: 3,980,051 km (0.113 R)
• M5: 5,610,519 km (0.08 R)
• M6: 6,067,390 km (0.102 R)
• M7: 7,056,532 km (0.048 R)
• M8: 7,499,192 km (0.109 R)
• M9: 9,389,810 km (0.074 R)
• M10: 10,636,259 km (0.071 R)
• M11: 11,540,129 km (0.089 R)
• M12: 12,240,696 km (0.073 R)
• M13: 13,546,237 km (0.103 R)
• M14: 14,846,691 km (0.097 R)
• M15: 15,675,912 km (0.071 R)
• M16: 18,184,818 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.6

Radius: 10.4

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.99 AU - 6.63 AU

Year: 5115 Days

Day: 7.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,482,002 km

• M1: 129,402 km (0.057 R)
• M2: 483,351 km (0.114 R)
• M3: 1,399,338 km (0.098 R)
• M4: 2,036,625 km (0.108 R)
• M5: 2,578,020 km (0.079 R)
• M6: 3,344,560 km (0.07 R)
• M7: 3,864,861 km (0.099 R)
• M8: 6,506,011 km (0.092 R)
• M9: 8,921,867 km (0.111 R)
• M10: 9,647,866 km (0.119 R)
• M11: 10,916,456 km (0.064 R)
• M12: 11,261,129 km (0.091 R)
• M13: 12,017,795 km (0.04 R)
• M14: 14,184,721 km (0.118 R)
• M15: 14,647,427 km (0.048 R)
• M16: 17,756,818 km (0.082 R)
• M17: 19,845,504 km (0.086 R)
• M18: 22,854,964 km (0.108 R)
• M19: 23,994,601 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 13.8

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.45 AU - 7.65 AU

Year: 7577 Days

Day: 12.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 127.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,482,002 km

• M1: 171,888 km (0.104 R)
• M2: 653,892 km (0.11 R)
• M3: 1,135,897 km (0.098 R)
• M4: 1,982,022 km (0.06 R)
• M5: 2,492,749 km (0.1 R)
• M6: 3,029,357 km (0.1 R)
• M7: 4,445,151 km (0.117 R)
• M8: 6,788,751 km (0.11 R)
• M9: 8,126,456 km (0.07 R)
• M10: 9,407,163 km (0.062 R)
• M11: 10,049,087 km (0.1 R)
• M12: 12,858,835 km (0.051 R)
• M13: 13,766,146 km (0.118 R)
• M14: 14,959,637 km (0.085 R)
• M15: 17,827,279 km (0.073 R)
• M16: 18,740,275 km (0.112 R)
• M17: 20,736,060 km (0.118 R)
• M18: 22,870,074 km (0.113 R)
• M19: 23,948,076 km (0.054 R)
• M20: 26,564,991 km (0.106 R)
• M21: 27,663,339 km (0.069 R)
• M22: 28,412,226 km (0.112 R)
• M23: 28,887,199 km (0.081 R)
• M24: 29,755,316 km (0.108 R)
• M25: 30,839,900 km (0.073 R)
• M26: 32,258,238 km (0.078 R)
• M27: 33,825,724 km (0.074 R)
• M28: 36,327,150 km (0.1 R)
• M29: 38,484,501 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.5

Radius: 3.2

Gravity: 42.72 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 12.93 AU - 15.45 AU

Year: 19524 Days

Day: 24.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,482,002 km

• M1: 45,328 km (0.08 R)
• M2: 216,618 km (0.085 R)
• M3: 334,501 km (0.059 R)
• M4: 434,731 km (0.063 R)
• M5: 540,048 km (0.04 R)
• M6: 2,971,911 km (0.081 R)
• M7: 3,330,497 km (0.078 R)
• M8: 3,774,953 km (0.106 R)
• M9: 4,448,741 km (0.119 R)
• M10: 6,030,290 km (0.118 R)
• M11: 7,211,216 km (0.104 R)
• M12: 9,963,368 km (0.114 R)
• M13: 11,724,584 km (0.092 R)
• M14: 13,073,956 km (0.095 R)
• M15: 13,889,863 km (0.061 R)
• M16: 15,102,803 km (0.093 R)
• M17: 15,622,206 km (0.055 R)
• M18: 15,772,702 km (0.116 R)
• M19: 18,566,741 km (0.085 R)
• M20: 21,301,839 km (0.061 R)
• M21: 25,315,550 km (0.081 R)
• M22: 32,910,634 km (0.113 R)
• M23: 33,282,235 km (0.099 R)
• M24: 35,311,829 km (0.119 R)
• M25: 37,153,978 km (0.098 R)
• M26: 37,422,356 km (0.072 R)
• M27: 37,962,704 km (0.105 R)
• M28: 47,332,018 km (0.063 R)
• M29: 48,601,506 km (0.119 R)
• M30: 51,374,302 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 17,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit