🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 10.5

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.49 AU - 0.57 AU

Year: 257 Days

Day: 11.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,666,571 km

• M1: 130,599 km (0.085 R)
• M2: 590,313 km (0.039 R)
• M3: 955,332 km (0.116 R)
• M4: 1,386,323 km (0.072 R)
• M5: 1,732,792 km (0.056 R)
• M6: 2,201,931 km (0.088 R)
• M7: 2,651,772 km (0.06 R)
• M8: 2,988,517 km (0.105 R)
• M9: 3,702,846 km (0.054 R)
• M10: 4,290,916 km (0.098 R)
• M11: 4,634,841 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.9

Radius: 11.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.94 AU - 1.28 AU

Year: 780 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,666,571 km

• M1: 140,173 km (0.116 R)
• M2: 530,773 km (0.055 R)
• M3: 1,013,675 km (0.102 R)
• M4: 1,680,283 km (0.071 R)
• M5: 2,075,970 km (0.106 R)
• M6: 2,544,959 km (0.102 R)
• M7: 3,011,256 km (0.072 R)
• M8: 4,268,626 km (0.085 R)
• M9: 4,680,618 km (0.043 R)
• M10: 5,189,251 km (0.056 R)
• M11: 5,659,587 km (0.025 R)
• M12: 7,004,023 km (0.037 R)
• M13: 7,421,550 km (0.025 R)
• M14: 7,785,971 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.8

Radius: 9.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.35 AU - 1.59 AU

Year: 1189 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,666,571 km

• M1: 120,576 km (0.058 R)
• M2: 475,572 km (0.116 R)
• M3: 922,420 km (0.116 R)
• M4: 1,540,858 km (0.109 R)
• M5: 3,180,900 km (0.089 R)
• M6: 3,620,418 km (0.096 R)
• M7: 4,083,872 km (0.104 R)
• M8: 4,448,592 km (0.117 R)
• M9: 5,456,732 km (0.075 R)
• M10: 6,655,160 km (0.11 R)
• M11: 7,232,907 km (0.097 R)
• M12: 8,702,258 km (0.099 R)
• M13: 9,450,097 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.9

Radius: 8.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.98 AU - 2.5 AU

Year: 2236 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,666,571 km

• M1: 104,270 km (0.095 R)
• M2: 484,099 km (0.098 R)
• M3: 764,146 km (0.09 R)
• M4: 1,651,860 km (0.091 R)
• M5: 1,916,947 km (0.108 R)
• M6: 2,252,196 km (0.104 R)
• M7: 2,614,821 km (0.043 R)
• M8: 3,643,307 km (0.113 R)
• M9: 4,003,688 km (0.087 R)
• M10: 4,640,077 km (0.083 R)
• M11: 5,494,730 km (0.117 R)
• M12: 7,826,063 km (0.057 R)
• M13: 8,325,271 km (0.092 R)
• M14: 8,634,939 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 14.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.32 AU - 4.02 AU

Year: 4688 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,666,571 km

• M1: 176,675 km (0.038 R)
• M2: 641,625 km (0.08 R)
• M3: 1,278,912 km (0.088 R)
• M4: 3,105,353 km (0.097 R)
• M5: 3,878,624 km (0.111 R)
• M6: 4,381,871 km (0.1 R)
• M7: 5,061,345 km (0.077 R)
• M8: 5,909,265 km (0.103 R)
• M9: 6,632,571 km (0.093 R)
• M10: 9,028,680 km (0.063 R)
• M11: 10,495,487 km (0.031 R)
• M12: 11,715,757 km (0.105 R)
• M13: 13,371,806 km (0.104 R)
• M14: 15,703,438 km (0.094 R)
• M15: 16,190,678 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.9

Radius: 7

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.72 AU - 10.84 AU

Year: 17349 Days

Day: 20.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,666,571 km

• M1: 87,365 km (0.092 R)
• M2: 941,569 km (0.12 R)
• M3: 1,396,945 km (0.096 R)
• M4: 1,974,243 km (0.086 R)
• M5: 2,844,005 km (0.102 R)
• M6: 3,843,169 km (0.114 R)
• M7: 4,493,471 km (0.115 R)
• M8: 6,584,999 km (0.1 R)
• M9: 8,137,077 km (0.089 R)
• M10: 9,869,720 km (0.051 R)
• M11: 10,667,824 km (0.048 R)
• M12: 11,889,590 km (0.065 R)
• M13: 12,448,936 km (0.111 R)
• M14: 15,511,504 km (0.101 R)
• M15: 17,931,998 km (0.09 R)
• M16: 20,593,194 km (0.032 R)
• M17: 20,993,668 km (0.089 R)
• M18: 24,565,616 km (0.118 R)
• M19: 25,748,337 km (0.099 R)
• M20: 26,306,935 km (0.103 R)
• M21: 30,860,395 km (0.076 R)
• M22: 33,103,466 km (0.096 R)
• M23: 35,452,900 km (0.04 R)
• M24: 36,028,254 km (0.088 R)
• M25: 39,488,752 km (0.047 R)
• M26: 42,128,556 km (0.058 R)

Asteroid Belt

Center: 9.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229

Radius: 6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.66 AU - 10.96 AU

Year: 20490 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,666,571 km

• M1: 75,697 km (0.039 R)
• M2: 709,842 km (0.1 R)
• M3: 1,749,697 km (0.115 R)
• M4: 2,053,530 km (0.114 R)
• M5: 4,455,623 km (0.102 R)
• M6: 5,428,308 km (0.05 R)
• M7: 6,188,565 km (0.056 R)
• M8: 8,607,562 km (0.102 R)
• M9: 11,137,412 km (0.065 R)
• M10: 15,272,895 km (0.057 R)
• M11: 20,244,930 km (0.085 R)
• M12: 42,904,221 km (0.107 R)
• M13: 45,444,991 km (0.112 R)
• M14: 49,137,964 km (0.045 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 19,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit