🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 13.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.65 AU - 0.87 AU

Year: 435 Days

Day: 13.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,054,633 km

• M1: 165,306 km (0.096 R)
• M2: 616,194 km (0.106 R)
• M3: 1,531,433 km (0.084 R)
• M4: 2,423,934 km (0.048 R)
• M5: 3,257,344 km (0.101 R)
• M6: 3,868,751 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 8.8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.05 AU - 1.29 AU

Year: 830 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,054,633 km

• M1: 109,506 km (0.089 R)
• M2: 432,188 km (0.073 R)
• M3: 791,373 km (0.096 R)
• M4: 1,128,267 km (0.065 R)
• M5: 1,576,911 km (0.107 R)
• M6: 1,875,359 km (0.039 R)
• M7: 2,378,606 km (0.093 R)
• M8: 2,932,118 km (0.118 R)
• M9: 3,293,098 km (0.096 R)
• M10: 3,756,552 km (0.103 R)
• M11: 4,295,104 km (0.106 R)
• M12: 4,884,221 km (0.095 R)
• M13: 6,161,338 km (0.108 R)
• M14: 6,712,456 km (0.103 R)
• M15: 7,090,341 km (0.11 R)
• M16: 8,184,500 km (0.035 R)
• M17: 8,667,850 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 12.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.06 AU - 2.48 AU

Year: 2244 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,054,633 km

• M1: 152,590 km (0.118 R)
• M2: 664,813 km (0.071 R)
• M3: 1,073,514 km (0.104 R)
• M4: 1,458,579 km (0.025 R)
• M5: 2,216,741 km (0.107 R)
• M6: 2,700,541 km (0.053 R)
• M7: 4,142,365 km (0.06 R)
• M8: 5,340,794 km (0.114 R)
• M9: 6,731,605 km (0.108 R)
• M10: 7,189,823 km (0.111 R)
• M11: 7,813,946 km (0.08 R)
• M12: 8,229,528 km (0.107 R)
• M13: 9,939,283 km (0.103 R)
• M14: 10,499,078 km (0.114 R)
• M15: 11,191,118 km (0.104 R)
• M16: 12,226,484 km (0.069 R)
• M17: 13,241,356 km (0.03 R)
• M18: 15,764,175 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.1

Radius: 11.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.12 AU - 2.56 AU

Year: 2348 Days

Day: 6.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,054,633 km

• M1: 139,276 km (0.106 R)
• M2: 559,047 km (0.101 R)
• M3: 1,050,626 km (0.06 R)
• M4: 1,623,286 km (0.111 R)
• M5: 2,158,248 km (0.107 R)
• M6: 2,766,065 km (0.069 R)
• M7: 3,460,648 km (0.068 R)
• M8: 4,877,938 km (0.05 R)
• M9: 5,562,498 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.1

Radius: 13.5

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.58 AU - 4.8 AU

Year: 5626 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,054,633 km

• M1: 167,849 km (0.104 R)
• M2: 919,728 km (0.052 R)
• M3: 1,498,671 km (0.04 R)
• M4: 2,421,690 km (0.101 R)
• M5: 3,417,863 km (0.102 R)
• M6: 4,915,487 km (0.096 R)
• M7: 5,564,442 km (0.071 R)
• M8: 6,095,216 km (0.099 R)
• M9: 7,555,590 km (0.03 R)
• M10: 8,421,911 km (0.115 R)
• M11: 10,352,472 km (0.099 R)
• M12: 12,281,985 km (0.099 R)
• M13: 14,493,042 km (0.051 R)
• M14: 19,121,749 km (0.115 R)
• M15: 20,663,056 km (0.095 R)
• M16: 22,564,296 km (0.061 R)
• M17: 23,270,697 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.1

Radius: 8.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.6 AU - 5.8 AU

Year: 8927 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,054,633 km

• M1: 110,702 km (0.033 R)
• M2: 423,362 km (0.096 R)
• M3: 725,101 km (0.073 R)
• M4: 1,319,453 km (0.06 R)
• M5: 1,655,300 km (0.113 R)
• M6: 1,970,952 km (0.062 R)
• M7: 2,467,018 km (0.087 R)
• M8: 3,320,923 km (0.091 R)
• M9: 4,000,097 km (0.088 R)
• M10: 5,384,626 km (0.099 R)
• M11: 5,791,682 km (0.07 R)
• M12: 7,211,814 km (0.059 R)
• M13: 8,023,083 km (0.116 R)
• M14: 8,936,827 km (0.105 R)
• M15: 9,689,155 km (0.115 R)
• M16: 10,010,940 km (0.114 R)
• M17: 14,630,223 km (0.098 R)
• M18: 15,424,288 km (0.117 R)
• M19: 17,568,624 km (0.072 R)
• M20: 18,117,050 km (0.107 R)
• M21: 18,465,613 km (0.118 R)
• M22: 18,889,723 km (0.089 R)
• M23: 19,904,595 km (0.065 R)
• M24: 21,885,121 km (0.119 R)
• M25: 27,404,684 km (0.065 R)
• M26: 28,609,994 km (0.081 R)
• M27: 34,102,480 km (0.116 R)
• M28: 37,151,285 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 10,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit