🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 12.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.8 AU - 1 AU

Year: 543 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,629,935 km

• M1: 154,834 km (0.099 R)
• M2: 556,654 km (0.102 R)
• M3: 1,030,430 km (0.091 R)
• M4: 1,621,940 km (0.1 R)
• M5: 2,063,852 km (0.052 R)
• M6: 2,923,292 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 14.3

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.43 AU - 1.81 AU

Year: 1311 Days

Day: 10.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,629,935 km

• M1: 177,872 km (0.063 R)
• M2: 641,027 km (0.117 R)
• M3: 1,243,308 km (0.048 R)
• M4: 2,087,937 km (0.115 R)
• M5: 3,026,963 km (0.12 R)
• M6: 3,491,016 km (0.054 R)
• M7: 4,377,982 km (0.094 R)
• M8: 4,895,142 km (0.112 R)
• M9: 5,737,078 km (0.086 R)
• M10: 6,382,294 km (0.096 R)
• M11: 6,948,223 km (0.041 R)
• M12: 8,209,632 km (0.086 R)
• M13: 9,183,065 km (0.108 R)
• M14: 10,232,195 km (0.105 R)
• M15: 12,008,819 km (0.116 R)
• M16: 12,797,350 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 8.6

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.41 AU - 1.87 AU

Year: 1335 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,629,935 km

• M1: 106,962 km (0.042 R)
• M2: 536,159 km (0.085 R)
• M3: 844,031 km (0.059 R)
• M4: 1,167,163 km (0.106 R)
• M5: 1,519,914 km (0.053 R)
• M6: 2,206,269 km (0.091 R)
• M7: 3,368,346 km (0.111 R)
• M8: 3,834,343 km (0.032 R)
• M9: 4,127,106 km (0.101 R)
• M10: 5,015,568 km (0.119 R)
• M11: 5,387,618 km (0.116 R)
• M12: 6,164,180 km (0.103 R)
• M13: 6,591,581 km (0.089 R)
• M14: 7,115,024 km (0.075 R)
• M15: 7,965,787 km (0.07 R)
• M16: 10,620,701 km (0.115 R)
• M17: 11,062,463 km (0.104 R)
• M18: 11,730,119 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.2

Radius: 8.3

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.91 AU - 2.23 AU

Year: 1894 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,629,935 km

• M1: 106,663 km (0.084 R)
• M2: 428,897 km (0.041 R)
• M3: 810,222 km (0.106 R)
• M4: 1,202,168 km (0.118 R)
• M5: 1,484,160 km (0.096 R)
• M6: 1,768,845 km (0.066 R)
• M7: 2,969,368 km (0.105 R)
• M8: 3,360,417 km (0.117 R)
• M9: 5,391,058 km (0.104 R)
• M10: 5,974,640 km (0.088 R)
• M11: 8,307,319 km (0.105 R)
• M12: 10,151,861 km (0.115 R)
• M13: 10,859,160 km (0.104 R)
• M14: 11,411,026 km (0.038 R)
• M15: 12,650,594 km (0.118 R)
• M16: 13,344,429 km (0.053 R)
• M17: 14,987,014 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 13.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.74 AU - 4.1 AU

Year: 4021 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,629,935 km

• M1: 164,857 km (0.085 R)
• M2: 577,149 km (0.075 R)
• M3: 1,000,810 km (0.112 R)
• M4: 1,567,636 km (0.089 R)
• M5: 2,123,542 km (0.113 R)
• M6: 2,570,241 km (0.119 R)
• M7: 4,424,806 km (0.111 R)
• M8: 5,252,232 km (0.049 R)
• M9: 6,230,602 km (0.06 R)
• M10: 6,857,716 km (0.099 R)
• M11: 7,817,985 km (0.089 R)
• M12: 8,898,081 km (0.093 R)
• M13: 11,127,389 km (0.116 R)
• M14: 13,069,618 km (0.109 R)
• M15: 14,320,555 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.2

Radius: 5.7

Gravity: 18.87 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 10.48 AU - 12.52 AU

Year: 24796 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,629,935 km

• M1: 84,224 km (0.099 R)
• M2: 423,811 km (0.092 R)
• M3: 757,564 km (0.118 R)
• M4: 1,168,210 km (0.045 R)
• M5: 1,523,056 km (0.116 R)
• M6: 2,493,797 km (0.095 R)
• M7: 2,790,150 km (0.037 R)
• M8: 3,054,789 km (0.062 R)
• M9: 4,354,046 km (0.062 R)
• M10: 4,601,780 km (0.026 R)
• M11: 5,010,033 km (0.06 R)
• M12: 8,409,345 km (0.099 R)
• M13: 9,076,103 km (0.094 R)
• M14: 12,098,279 km (0.059 R)
• M15: 13,238,514 km (0.115 R)
• M16: 13,684,016 km (0.075 R)
• M17: 15,648,386 km (0.119 R)
• M18: 16,740,600 km (0.042 R)
• M19: 16,999,704 km (0.119 R)
• M20: 17,437,577 km (0.111 R)
• M21: 17,703,861 km (0.118 R)
• M22: 19,075,972 km (0.105 R)
• M23: 20,913,932 km (0.102 R)
• M24: 23,400,249 km (0.106 R)
• M25: 25,731,582 km (0.12 R)
• M26: 30,720,820 km (0.09 R)
• M27: 31,501,123 km (0.082 R)
• M28: 31,764,116 km (0.098 R)
• M29: 33,373,041 km (0.053 R)
• M30: 38,976,528 km (0.112 R)
• M31: 48,595,672 km (0.03 R)
• M32: 53,667,787 km (0.103 R)
• M33: 54,042,979 km (0.089 R)
• M34: 60,085,237 km (0.111 R)
• M35: 60,896,207 km (0.117 R)
• M36: 63,372,949 km (0.103 R)
• M37: 63,792,122 km (0.052 R)
• M38: 70,528,664 km (0.111 R)
• M39: 71,885,068 km (0.094 R)
• M40: 77,963,978 km (0.094 R)
• M41: 79,901,120 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 16,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit