🌌 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: 105.5

Radius: 11.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 10.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,653,588 km

• M1: 147,504 km (0.106 R)
• M2: 567,126 km (0.117 R)
• M3: 976,425 km (0.051 R)
• M4: 1,637,797 km (0.113 R)
• M5: 2,349,135 km (0.118 R)
• M6: 2,736,444 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 10

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.67 AU - 1.05 AU

Year: 523 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,653,588 km

• M1: 125,812 km (0.059 R)
• M2: 766,539 km (0.104 R)
• M3: 1,661,733 km (0.042 R)
• M4: 1,976,337 km (0.057 R)
• M5: 2,360,355 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.2

Radius: 13.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.61 AU - 2.05 AU

Year: 1624 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,653,588 km

• M1: 172,636 km (0.12 R)
• M2: 718,219 km (0.049 R)
• M3: 1,246,449 km (0.05 R)
• M4: 1,965,716 km (0.07 R)
• M5: 2,627,088 km (0.091 R)
• M6: 3,344,859 km (0.107 R)
• M7: 3,937,416 km (0.117 R)
• M8: 4,418,373 km (0.082 R)
• M9: 5,094,555 km (0.098 R)
• M10: 6,283,410 km (0.105 R)
• M11: 6,726,519 km (0.113 R)
• M12: 8,347,860 km (0.065 R)
• M13: 9,265,045 km (0.073 R)
• M14: 11,064,259 km (0.08 R)
• M15: 11,782,627 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 13.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.12 AU - 4.94 AU

Year: 6325 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,653,588 km

• M1: 169,195 km (0.103 R)
• M2: 679,773 km (0.073 R)
• M3: 1,107,922 km (0.097 R)
• M4: 1,699,432 km (0.1 R)
• M5: 2,377,559 km (0.088 R)
• M6: 3,359,220 km (0.105 R)
• M7: 4,254,863 km (0.088 R)
• M8: 5,303,993 km (0.1 R)
• M9: 6,903,493 km (0.078 R)
• M10: 7,873,037 km (0.081 R)
• M11: 8,309,713 km (0.064 R)
• M12: 11,131,877 km (0.087 R)
• M13: 13,169,549 km (0.112 R)
• M14: 14,898,302 km (0.097 R)
• M15: 19,226,618 km (0.095 R)
• M16: 19,802,719 km (0.104 R)
• M17: 21,600,137 km (0.1 R)
• M18: 22,144,225 km (0.096 R)
• M19: 24,079,722 km (0.103 R)
• M20: 25,431,339 km (0.056 R)
• M21: 26,654,900 km (0.069 R)
• M22: 28,192,916 km (0.084 R)
• M23: 29,219,307 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.5

Radius: 6.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.41 AU - 6.49 AU

Year: 9521 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,653,588 km

• M1: 83,326 km (0.062 R)
• M2: 432,188 km (0.098 R)
• M3: 750,981 km (0.11 R)
• M4: 1,311,375 km (0.091 R)
• M5: 2,208,364 km (0.058 R)
• M6: 3,055,387 km (0.116 R)
• M7: 4,719,514 km (0.037 R)
• M8: 4,998,514 km (0.07 R)
• M9: 5,369,666 km (0.096 R)
• M10: 6,470,258 km (0.051 R)
• M11: 8,391,992 km (0.103 R)
• M12: 8,954,929 km (0.101 R)
• M13: 10,621,898 km (0.087 R)
• M14: 11,460,543 km (0.084 R)
• M15: 11,780,384 km (0.112 R)
• M16: 12,106,058 km (0.098 R)
• M17: 13,419,228 km (0.081 R)
• M18: 14,451,304 km (0.072 R)
• M19: 14,824,700 km (0.046 R)
• M20: 15,149,776 km (0.077 R)
• M21: 19,303,212 km (0.08 R)
• M22: 19,626,044 km (0.102 R)
• M23: 20,549,212 km (0.06 R)
• M24: 20,885,808 km (0.084 R)
• M25: 23,418,948 km (0.11 R)
• M26: 26,307,384 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.2

Radius: 4.6

Gravity: 42.02 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.94 AU - 10.38 AU

Year: 16718 Days

Day: 24.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,653,588 km

• M1: 57,296 km (0.08 R)
• M2: 234,270 km (0.087 R)
• M3: 1,291,927 km (0.069 R)
• M4: 4,095,541 km (0.097 R)
• M5: 4,490,330 km (0.035 R)
• M6: 4,662,218 km (0.082 R)
• M7: 6,073,524 km (0.074 R)
• M8: 6,241,373 km (0.06 R)
• M9: 8,145,604 km (0.084 R)
• M10: 8,505,387 km (0.094 R)
• M11: 8,822,235 km (0.084 R)
• M12: 9,762,458 km (0.07 R)
• M13: 10,706,869 km (0.047 R)
• M14: 11,581,718 km (0.051 R)
• M15: 12,503,240 km (0.069 R)
• M16: 13,758,666 km (0.078 R)
• M17: 14,048,586 km (0.107 R)
• M18: 14,416,747 km (0.058 R)
• M19: 16,193,670 km (0.061 R)
• M20: 21,994,627 km (0.069 R)
• M21: 28,687,486 km (0.094 R)
• M22: 31,605,093 km (0.104 R)
• M23: 33,918,924 km (0.087 R)
• M24: 36,343,157 km (0.075 R)
• M25: 37,176,118 km (0.112 R)
• M26: 37,879,976 km (0.114 R)
• M27: 39,459,730 km (0.069 R)
• M28: 40,635,868 km (0.045 R)
• M29: 48,021,066 km (0.042 R)
• M30: 54,247,329 km (0.11 R)
• M31: 54,608,160 km (0.108 R)
• M32: 56,621,597 km (0.082 R)
• M33: 60,214,938 km (0.119 R)
• M34: 68,061,047 km (0.113 R)
• M35: 72,993,139 km (0.031 R)
• M36: 73,432,957 km (0.055 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 10,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit