🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 13

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.51 AU - 0.59 AU

Year: 272 Days

Day: 10.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,510,714 km

• M1: 161,715 km (0.095 R)
• M2: 594,352 km (0.053 R)
• M3: 1,050,925 km (0.066 R)
• M4: 1,581,100 km (0.118 R)
• M5: 2,136,407 km (0.059 R)
• M6: 2,936,307 km (0.085 R)
• M7: 3,445,089 km (0.089 R)
• M8: 3,951,777 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.3

Radius: 13.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.58 AU - 0.72 AU

Year: 349 Days

Day: 12.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,510,714 km

• M1: 167,250 km (0.088 R)
• M2: 720,164 km (0.103 R)
• M3: 1,236,576 km (0.116 R)
• M4: 1,663,229 km (0.097 R)
• M5: 2,408,227 km (0.092 R)
• M6: 3,231,763 km (0.107 R)
• M7: 3,909,292 km (0.086 R)
• M8: 4,884,221 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.6

Radius: 9.1

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.92 AU - 1.02 AU

Year: 637 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,510,714 km

• M1: 113,246 km (0.108 R)
• M2: 413,788 km (0.1 R)
• M3: 794,065 km (0.116 R)
• M4: 1,190,201 km (0.109 R)
• M5: 1,517,670 km (0.092 R)
• M6: 2,071,332 km (0.088 R)
• M7: 2,628,734 km (0.063 R)
• M8: 3,041,325 km (0.087 R)
• M9: 3,442,546 km (0.117 R)
• M10: 3,982,295 km (0.073 R)
• M11: 4,479,559 km (0.107 R)
• M12: 6,764,517 km (0.105 R)
• M13: 8,085,316 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 10.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.78 AU - 1.18 AU

Year: 647 Days

Day: 13.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,510,714 km

• M1: 134,339 km (0.062 R)
• M2: 566,976 km (0.109 R)
• M3: 1,157,888 km (0.086 R)
• M4: 1,556,715 km (0.085 R)
• M5: 1,966,314 km (0.085 R)
• M6: 2,335,522 km (0.036 R)
• M7: 2,773,844 km (0.083 R)
• M8: 3,166,239 km (0.1 R)
• M9: 4,123,217 km (0.047 R)
• M10: 5,550,979 km (0.103 R)
• M11: 6,002,615 km (0.115 R)
• M12: 7,350,491 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506

Radius: 10.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.07 AU - 2.57 AU

Year: 2356 Days

Day: 14.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,510,714 km

• M1: 130,749 km (0.056 R)
• M2: 479,162 km (0.091 R)
• M3: 876,793 km (0.042 R)
• M4: 1,595,312 km (0.095 R)
• M5: 2,119,652 km (0.111 R)
• M6: 3,853,192 km (0.117 R)
• M7: 4,409,696 km (0.106 R)
• M8: 4,997,167 km (0.087 R)
• M9: 5,471,542 km (0.117 R)
• M10: 6,380,349 km (0.097 R)
• M11: 7,160,652 km (0.092 R)
• M12: 7,501,735 km (0.106 R)
• M13: 8,496,112 km (0.106 R)
• M14: 9,074,308 km (0.107 R)
• M15: 9,440,374 km (0.11 R)
• M16: 10,855,869 km (0.1 R)
• M17: 11,268,759 km (0.093 R)
• M18: 14,504,860 km (0.12 R)
• M19: 14,914,160 km (0.053 R)
• M20: 16,286,122 km (0.115 R)

Asteroid Belt

Center: 3.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 9

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.74 AU - 4.16 AU

Year: 5235 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,510,714 km

• M1: 111,899 km (0.079 R)
• M2: 407,355 km (0.12 R)
• M3: 707,748 km (0.106 R)
• M4: 1,019,360 km (0.091 R)
• M5: 1,725,163 km (0.05 R)
• M6: 2,688,872 km (0.102 R)
• M7: 3,257,494 km (0.088 R)
• M8: 3,857,082 km (0.078 R)
• M9: 4,195,771 km (0.08 R)
• M10: 5,541,554 km (0.101 R)
• M11: 6,596,967 km (0.042 R)
• M12: 7,630,389 km (0.112 R)
• M13: 8,975,274 km (0.099 R)
• M14: 9,659,983 km (0.057 R)
• M15: 9,970,399 km (0.077 R)
• M16: 11,037,331 km (0.069 R)
• M17: 11,924,147 km (0.069 R)
• M18: 13,561,645 km (0.081 R)
• M19: 14,636,356 km (0.058 R)
• M20: 15,164,736 km (0.12 R)
• M21: 15,766,868 km (0.11 R)
• M22: 16,636,330 km (0.06 R)
• M23: 17,211,983 km (0.042 R)
• M24: 19,932,420 km (0.048 R)
• M25: 22,075,260 km (0.113 R)
• M26: 23,800,273 km (0.108 R)
• M27: 25,193,329 km (0.044 R)
• M28: 25,867,417 km (0.115 R)
• M29: 27,075,868 km (0.093 R)
• M30: 28,502,583 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510

Radius: 5.8

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.68 AU - 9.82 AU

Year: 17260 Days

Day: 15.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,510,714 km

• M1: 72,256 km (0.031 R)
• M2: 384,317 km (0.093 R)
• M3: 831,764 km (0.112 R)
• M4: 1,260,661 km (0.026 R)
• M5: 1,442,722 km (0.102 R)
• M6: 1,809,087 km (0.075 R)
• M7: 2,235,441 km (0.105 R)
• M8: 2,842,060 km (0.11 R)
• M9: 3,833,146 km (0.099 R)
• M10: 5,036,362 km (0.1 R)
• M11: 5,247,145 km (0.1 R)
• M12: 6,431,362 km (0.05 R)
• M13: 7,064,011 km (0.032 R)
• M14: 7,283,920 km (0.087 R)
• M15: 8,161,312 km (0.12 R)
• M16: 9,158,980 km (0.058 R)
• M17: 9,741,065 km (0.082 R)
• M18: 10,403,784 km (0.067 R)
• M19: 10,688,618 km (0.092 R)
• M20: 11,757,495 km (0.082 R)
• M21: 13,898,839 km (0.098 R)
• M22: 15,759,238 km (0.056 R)
• M23: 19,618,265 km (0.103 R)
• M24: 22,704,020 km (0.114 R)
• M25: 24,562,026 km (0.103 R)
• M26: 26,837,110 km (0.094 R)
• M27: 27,916,159 km (0.099 R)
• M28: 31,208,809 km (0.071 R)
• M29: 33,131,740 km (0.102 R)
• M30: 34,498,765 km (0.071 R)
• M31: 34,751,286 km (0.053 R)
• M32: 36,292,294 km (0.051 R)
• M33: 42,044,631 km (0.091 R)
• M34: 44,835,379 km (0.105 R)
• M35: 45,589,801 km (0.109 R)
• M36: 51,767,296 km (0.115 R)
• M37: 55,313,813 km (0.082 R)
• M38: 56,007,199 km (0.092 R)
• M39: 57,411,324 km (0.063 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 13,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit