🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.6

Radius: 9.7

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.6 AU - 0.82 AU

Year: 413 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,421,626 km

• M1: 121,623 km (0.088 R)
• M2: 501,602 km (0.108 R)
• M3: 1,091,616 km (0.119 R)
• M4: 1,730,099 km (0.083 R)
• M5: 2,276,580 km (0.058 R)
• M6: 2,837,722 km (0.115 R)
• M7: 3,415,768 km (0.084 R)
• M8: 4,056,795 km (0.09 R)
• M9: 4,625,865 km (0.076 R)
• M10: 5,460,621 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.2

Radius: 8.9

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.77 AU - 0.91 AU

Year: 531 Days

Day: 13.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,421,626 km

• M1: 110,702 km (0.091 R)
• M2: 420,071 km (0.098 R)
• M3: 700,268 km (0.088 R)
• M4: 1,169,107 km (0.062 R)
• M5: 1,918,293 km (0.118 R)
• M6: 2,211,805 km (0.099 R)
• M7: 2,751,105 km (0.069 R)
• M8: 3,173,120 km (0.08 R)
• M9: 3,536,494 km (0.082 R)
• M10: 4,905,314 km (0.116 R)
• M11: 5,787,792 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.4

Radius: 8

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.79 AU - 2.81 AU

Year: 3234 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,421,626 km

• M1: 99,483 km (0.106 R)
• M2: 353,799 km (0.104 R)
• M3: 777,011 km (0.047 R)
• M4: 1,540,559 km (0.112 R)
• M5: 4,842,034 km (0.083 R)
• M6: 6,436,448 km (0.097 R)
• M7: 7,328,201 km (0.098 R)
• M8: 9,529,534 km (0.096 R)
• M9: 9,884,979 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.8

Radius: 7.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.34 AU - 9.66 AU

Year: 20211 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,421,626 km

• M1: 90,956 km (0.088 R)
• M2: 497,712 km (0.095 R)
• M3: 1,231,789 km (0.071 R)
• M4: 3,126,147 km (0.049 R)
• M5: 3,368,495 km (0.104 R)
• M6: 4,172,434 km (0.094 R)
• M7: 4,891,252 km (0.072 R)
• M8: 5,561,600 km (0.087 R)
• M9: 7,159,006 km (0.117 R)
• M10: 7,700,550 km (0.036 R)
• M11: 17,988,246 km (0.057 R)
• M12: 21,252,921 km (0.119 R)
• M13: 22,207,505 km (0.09 R)
• M14: 30,296,411 km (0.111 R)
• M15: 33,909,200 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.2

Radius: 3.2

Gravity: 56.17 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.84 AU - 11.68 AU

Year: 21047 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,421,626 km

• M1: 41,738 km (0.08 R)
• M2: 444,455 km (0.075 R)
• M3: 607,367 km (0.074 R)
• M4: 908,059 km (0.115 R)
• M5: 1,270,535 km (0.107 R)
• M6: 1,758,074 km (0.109 R)
• M7: 2,208,663 km (0.091 R)
• M8: 2,404,337 km (0.113 R)
• M9: 2,855,524 km (0.048 R)
• M10: 3,114,478 km (0.089 R)
• M11: 3,417,115 km (0.102 R)
• M12: 4,614,496 km (0.116 R)
• M13: 5,941,429 km (0.029 R)
• M14: 6,449,463 km (0.104 R)
• M15: 6,939,995 km (0.059 R)
• M16: 7,359,467 km (0.092 R)
• M17: 10,416,799 km (0.092 R)
• M18: 12,936,177 km (0.078 R)
• M19: 15,596,775 km (0.07 R)
• M20: 16,558,839 km (0.065 R)
• M21: 19,045,754 km (0.117 R)
• M22: 26,382,931 km (0.049 R)
• M23: 27,629,979 km (0.071 R)
• M24: 29,392,990 km (0.093 R)
• M25: 37,618,479 km (0.096 R)
• M26: 39,341,697 km (0.08 R)
• M27: 55,607,773 km (0.055 R)
• M28: 59,361,183 km (0.059 R)
• M29: 59,745,500 km (0.115 R)
• M30: 66,951,031 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.8

Radius: 3.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.66 AU - 12.6 AU

Year: 22255 Days

Day: 18.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,421,626 km

• M1: 46,076 km (0.091 R)
• M2: 228,586 km (0.085 R)
• M3: 551,867 km (0.093 R)
• M4: 676,182 km (0.107 R)
• M5: 819,348 km (0.088 R)
• M6: 1,126,921 km (0.098 R)
• M7: 1,850,675 km (0.112 R)
• M8: 7,912,381 km (0.086 R)
• M9: 8,064,522 km (0.074 R)
• M10: 8,296,548 km (0.05 R)
• M11: 11,781,132 km (0.08 R)
• M12: 14,540,464 km (0.096 R)
• M13: 20,069,302 km (0.057 R)
• M14: 28,333,388 km (0.097 R)
• M15: 29,503,094 km (0.036 R)
• M16: 30,053,614 km (0.05 R)
• M17: 30,798,312 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 13,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit