🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.43 AU - 0.65 AU

Year: 148 Days

Day: 15.2 Hours

Environment

Temp: 158 °C

Axial Tilt: 108.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.59 AU - 0.65 AU

Year: 182 Days

Day: 42.3 Hours

Environment

Temp: 151 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.78 AU - 1.22 AU

Year: 373 Days

Day: 34 Hours

Environment

Temp: 18 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 104,445,431 km

• M1: 287,976 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.11 AU - 1.25 AU

Year: 478 Days

Day: 19.8 Hours

Environment

Temp: -11 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.25 AU - 2.41 AU

Year: 1326 Days

Day: 36.1 Hours

Environment

Temp: -77 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,445,431 km

• M1: 2,268,502 km (0.09 R)

Asteroid Belt

Center: 3.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.8

Radius: 9

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.05 AU - 6.37 AU

Year: 4433 Days

Day: 10.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 104,445,431 km

• M1: 111,899 km (0.089 R)
• M2: 565,031 km (0.11 R)
• M3: 1,121,535 km (0.108 R)
• M4: 1,585,588 km (0.082 R)
• M5: 2,054,428 km (0.07 R)
• M6: 2,477,042 km (0.057 R)
• M7: 2,790,599 km (0.027 R)
• M8: 3,249,864 km (0.081 R)
• M9: 4,079,983 km (0.099 R)
• M10: 4,544,783 km (0.093 R)
• M11: 4,829,917 km (0.095 R)
• M12: 5,698,482 km (0.108 R)
• M13: 6,030,589 km (0.094 R)
• M14: 6,471,903 km (0.079 R)
• M15: 7,070,893 km (0.074 R)
• M16: 8,075,592 km (0.066 R)
• M17: 8,495,364 km (0.111 R)
• M18: 9,050,522 km (0.1 R)
• M19: 10,233,392 km (0.112 R)
• M20: 10,725,270 km (0.096 R)
• M21: 11,563,915 km (0.079 R)
• M22: 11,901,707 km (0.117 R)
• M23: 15,360,410 km (0.095 R)
• M24: 16,005,476 km (0.071 R)
• M25: 17,162,017 km (0.074 R)
• M26: 17,792,722 km (0.072 R)
• M27: 18,438,686 km (0.107 R)
• M28: 20,470,673 km (0.082 R)
• M29: 22,647,622 km (0.087 R)
• M30: 23,329,788 km (0.03 R)
• M31: 23,947,478 km (0.054 R)
• M32: 26,862,990 km (0.079 R)
• M33: 27,200,932 km (0.117 R)
• M34: 29,466,891 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.3

Radius: 3.3

Gravity: 62.19 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 17.7 AU - 21.5 AU

Year: 32347 Days

Day: 22.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 104,445,431 km

• M1: 41,738 km (0.112 R)
• M2: 179,966 km (0.099 R)
• M3: 303,684 km (0.071 R)
• M4: 1,246,150 km (0.116 R)
• M5: 1,897,350 km (0.103 R)
• M6: 3,211,866 km (0.03 R)
• M7: 4,180,812 km (0.07 R)
• M8: 5,860,796 km (0.073 R)
• M9: 10,203,323 km (0.083 R)
• M10: 10,674,406 km (0.065 R)
• M11: 12,475,116 km (0.111 R)
• M12: 12,858,087 km (0.104 R)
• M13: 13,971,992 km (0.113 R)
• M14: 19,274,489 km (0.112 R)
• M15: 22,033,223 km (0.048 R)
• M16: 22,144,374 km (0.068 R)
• M17: 22,818,612 km (0.108 R)
• M18: 23,506,463 km (0.061 R)
• M19: 26,647,420 km (0.076 R)
• M20: 28,580,972 km (0.089 R)
• M21: 32,150,228 km (0.115 R)
• M22: 32,580,322 km (0.119 R)
• M23: 43,560,207 km (0.077 R)
• M24: 45,691,378 km (0.083 R)
• M25: 50,545,231 km (0.071 R)
• M26: 65,296,479 km (0.104 R)
• M27: 67,379,031 km (0.095 R)
• M28: 72,654,899 km (0.05 R)
• M29: 79,237,055 km (0.025 R)
• M30: 84,290,621 km (0.102 R)
• M31: 92,989,887 km (0.083 R)
• M32: 93,280,107 km (0.098 R)
• M33: 98,305,548 km (0.043 R)
• M34: 99,210,765 km (0.075 R)
• M35: 102,268,246 km (0.025 R)
• M36: 103,820,324 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 12,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit