🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 12.6

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 13 Hours

Environment

Temp: -153 °C

Axial Tilt: 119.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,522,043 km

• M1: 156,629 km (0.088 R)
• M2: 579,243 km (0.077 R)
• M3: 975,528 km (0.12 R)
• M4: 1,478,625 km (0.034 R)
• M5: 2,084,646 km (0.113 R)
• M6: 2,871,531 km (0.084 R)
• M7: 3,448,530 km (0.061 R)
• M8: 4,089,707 km (0.089 R)
• M9: 4,498,408 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 9.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.81 AU - 0.99 AU

Year: 579 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,522,043 km

• M1: 121,922 km (0.068 R)
• M2: 518,357 km (0.109 R)
• M3: 920,177 km (0.114 R)
• M4: 1,270,834 km (0.101 R)
• M5: 1,717,533 km (0.092 R)
• M6: 2,085,993 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.8

Radius: 9.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.04 AU - 1.42 AU

Year: 925 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,522,043 km

• M1: 115,639 km (0.111 R)
• M2: 496,665 km (0.098 R)
• M3: 800,498 km (0.066 R)
• M4: 1,227,301 km (0.089 R)
• M5: 1,666,221 km (0.11 R)
• M6: 2,177,397 km (0.111 R)
• M7: 3,137,666 km (0.081 R)
• M8: 3,626,701 km (0.059 R)
• M9: 4,309,017 km (0.1 R)
• M10: 5,788,839 km (0.072 R)
• M11: 6,633,469 km (0.063 R)
• M12: 7,029,155 km (0.049 R)
• M13: 8,261,991 km (0.068 R)
• M14: 8,643,017 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460

Radius: 8.5

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.01 AU - 5.05 AU

Year: 6539 Days

Day: 6.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,522,043 km

• M1: 105,766 km (0.094 R)
• M2: 441,314 km (0.086 R)
• M3: 746,942 km (0.087 R)
• M4: 1,492,089 km (0.046 R)
• M5: 2,107,834 km (0.113 R)
• M6: 3,462,293 km (0.058 R)
• M7: 7,050,697 km (0.119 R)
• M8: 13,402,473 km (0.069 R)
• M9: 25,868,613 km (0.12 R)
• M10: 26,958,284 km (0.064 R)
• M11: 30,134,995 km (0.093 R)
• M12: 30,687,759 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.6

Radius: 8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.79 AU - 6.89 AU

Year: 9572 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,522,043 km

• M1: 99,632 km (0.088 R)
• M2: 389,254 km (0.051 R)
• M3: 810,820 km (0.088 R)
• M4: 1,393,803 km (0.081 R)
• M5: 1,887,327 km (0.031 R)
• M6: 3,979,154 km (0.094 R)
• M7: 7,089,892 km (0.072 R)
• M8: 14,501,718 km (0.12 R)
• M9: 14,956,496 km (0.11 R)
• M10: 16,001,138 km (0.106 R)

Asteroid Belt

Center: 8.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.6

Radius: 5.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.31 AU - 10.89 AU

Year: 23407 Days

Day: 19.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,522,043 km

• M1: 73,901 km (0.041 R)
• M2: 307,723 km (0.085 R)
• M3: 573,857 km (0.082 R)
• M4: 916,586 km (0.081 R)
• M5: 1,111,662 km (0.096 R)
• M6: 1,347,877 km (0.096 R)
• M7: 1,822,102 km (0.112 R)
• M8: 2,061,907 km (0.104 R)
• M9: 2,668,976 km (0.112 R)
• M10: 3,725,885 km (0.091 R)
• M11: 5,202,715 km (0.057 R)
• M12: 6,827,946 km (0.113 R)
• M13: 9,201,615 km (0.098 R)
• M14: 13,172,691 km (0.052 R)
• M15: 13,745,950 km (0.088 R)
• M16: 16,205,788 km (0.109 R)
• M17: 16,937,920 km (0.105 R)
• M18: 20,171,328 km (0.068 R)
• M19: 21,537,456 km (0.112 R)
• M20: 23,422,389 km (0.079 R)
• M21: 24,262,979 km (0.113 R)
• M22: 25,220,256 km (0.116 R)
• M23: 29,409,296 km (0.074 R)
• M24: 33,100,324 km (0.096 R)
• M25: 35,117,203 km (0.036 R)
• M26: 50,797,752 km (0.102 R)
• M27: 51,419,481 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.1

Radius: 4.9

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.53 AU - 12.75 AU

Year: 23540 Days

Day: 24.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,522,043 km

• M1: 61,485 km (0.103 R)
• M2: 404,961 km (0.063 R)
• M3: 577,597 km (0.118 R)
• M4: 989,740 km (0.085 R)
• M5: 1,447,359 km (0.099 R)
• M6: 1,763,908 km (0.102 R)
• M7: 2,034,980 km (0.103 R)
• M8: 2,275,384 km (0.102 R)
• M9: 2,493,348 km (0.072 R)
• M10: 2,948,424 km (0.063 R)
• M11: 3,559,981 km (0.111 R)
• M12: 4,401,020 km (0.059 R)
• M13: 5,899,691 km (0.104 R)
• M14: 16,284,476 km (0.116 R)
• M15: 19,766,815 km (0.094 R)
• M16: 20,015,148 km (0.052 R)
• M17: 24,850,001 km (0.106 R)
• M18: 25,528,727 km (0.1 R)
• M19: 42,510,329 km (0.118 R)
• M20: 50,841,584 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 14,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit