🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 14.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.7 AU - 0.74 AU

Year: 407 Days

Day: 14.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,082,469 km

• M1: 177,423 km (0.066 R)
• M2: 689,497 km (0.119 R)
• M3: 1,586,785 km (0.095 R)
• M4: 2,167,224 km (0.098 R)
• M5: 3,050,749 km (0.094 R)
• M6: 3,635,079 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 12.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.76 AU - 1.82 AU

Year: 1597 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,082,469 km

• M1: 153,487 km (0.102 R)
• M2: 782,846 km (0.098 R)
• M3: 2,528,204 km (0.118 R)
• M4: 3,069,000 km (0.071 R)
• M5: 4,481,055 km (0.058 R)
• M6: 9,502,756 km (0.115 R)
• M7: 10,162,632 km (0.094 R)
• M8: 13,763,602 km (0.117 R)
• M9: 14,266,551 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.3

Radius: 14

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.27 AU - 2.55 AU

Year: 2495 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,082,469 km

• M1: 174,132 km (0.106 R)
• M2: 696,228 km (0.11 R)
• M3: 1,762,712 km (0.1 R)
• M4: 2,271,045 km (0.083 R)
• M5: 3,130,635 km (0.07 R)
• M6: 3,807,116 km (0.04 R)
• M7: 5,080,344 km (0.084 R)
• M8: 6,105,239 km (0.115 R)
• M9: 6,949,120 km (0.093 R)
• M10: 7,512,057 km (0.095 R)
• M11: 8,238,504 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 11.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.16 AU - 4.12 AU

Year: 4631 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,082,469 km

• M1: 146,756 km (0.056 R)
• M2: 516,262 km (0.106 R)
• M3: 1,375,104 km (0.078 R)
• M4: 2,391,023 km (0.112 R)
• M5: 3,019,483 km (0.083 R)
• M6: 3,510,015 km (0.102 R)
• M7: 6,001,119 km (0.078 R)
• M8: 6,523,066 km (0.115 R)
• M9: 7,501,585 km (0.119 R)
• M10: 8,990,682 km (0.083 R)
• M11: 9,973,690 km (0.071 R)
• M12: 11,854,285 km (0.114 R)
• M13: 13,678,631 km (0.091 R)
• M14: 16,729,231 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.1

Radius: 8.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.58 AU - 5.5 AU

Year: 6451 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,082,469 km

• M1: 109,206 km (0.102 R)
• M2: 416,630 km (0.065 R)
• M3: 766,539 km (0.101 R)
• M4: 1,484,460 km (0.06 R)
• M5: 2,670,172 km (0.074 R)
• M6: 3,268,414 km (0.059 R)
• M7: 4,448,293 km (0.052 R)
• M8: 9,055,608 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.5

Radius: 6.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.26 AU - 7 AU

Year: 10121 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,082,469 km

• M1: 82,728 km (0.06 R)
• M2: 299,495 km (0.116 R)
• M3: 903,272 km (0.04 R)
• M4: 1,271,432 km (0.085 R)
• M5: 1,792,332 km (0.062 R)
• M6: 2,134,014 km (0.08 R)
• M7: 4,510,525 km (0.037 R)
• M8: 5,732,142 km (0.037 R)
• M9: 6,042,707 km (0.076 R)
• M10: 7,368,742 km (0.077 R)
• M11: 11,410,278 km (0.032 R)
• M12: 14,434,250 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.4

Radius: 7.8

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.68 AU - 11.16 AU

Year: 19280 Days

Day: 18.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,082,469 km

• M1: 99,483 km (0.028 R)
• M2: 346,917 km (0.079 R)
• M3: 616,044 km (0.056 R)
• M4: 934,687 km (0.114 R)
• M5: 1,288,038 km (0.086 R)
• M6: 2,201,781 km (0.049 R)
• M7: 2,733,452 km (0.104 R)
• M8: 3,206,930 km (0.07 R)
• M9: 3,552,201 km (0.071 R)
• M10: 5,624,431 km (0.03 R)
• M11: 7,273,000 km (0.116 R)
• M12: 10,222,770 km (0.118 R)
• M13: 14,188,610 km (0.093 R)
• M14: 14,649,820 km (0.105 R)
• M15: 17,629,361 km (0.059 R)
• M16: 21,488,388 km (0.12 R)
• M17: 23,990,412 km (0.112 R)
• M18: 26,680,182 km (0.041 R)
• M19: 27,738,736 km (0.043 R)
• M20: 32,517,940 km (0.115 R)
• M21: 33,184,996 km (0.114 R)
• M22: 34,823,093 km (0.099 R)
• M23: 43,185,165 km (0.066 R)
• M24: 53,343,459 km (0.092 R)
• M25: 54,832,706 km (0.117 R)
• M26: 61,675,462 km (0.076 R)
• M27: 65,195,350 km (0.09 R)
• M28: 66,897,176 km (0.113 R)
• M29: 68,410,358 km (0.05 R)
• M30: 70,834,143 km (0.053 R)
• M31: 79,406,550 km (0.048 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 10,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit