🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 14.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.87 AU - 0.89 AU

Year: 570 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 63.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,770,192 km

• M1: 175,329 km (0.037 R)
• M2: 725,699 km (0.067 R)
• M3: 1,188,555 km (0.049 R)
• M4: 1,665,323 km (0.089 R)
• M5: 2,669,275 km (0.067 R)
• M6: 3,135,721 km (0.029 R)
• M7: 3,860,822 km (0.107 R)
• M8: 4,606,866 km (0.11 R)
• M9: 5,447,457 km (0.109 R)
• M10: 5,974,939 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.3

Radius: 11.8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.77 AU - 1.07 AU

Year: 609 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,770,192 km

• M1: 146,756 km (0.039 R)
• M2: 532,269 km (0.095 R)
• M3: 1,306,438 km (0.05 R)
• M4: 1,813,276 km (0.081 R)
• M5: 2,460,137 km (0.092 R)
• M6: 3,218,449 km (0.113 R)
• M7: 3,952,226 km (0.093 R)
• M8: 4,697,224 km (0.114 R)
• M9: 5,146,466 km (0.112 R)
• M10: 6,772,296 km (0.064 R)
• M11: 7,568,306 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 14.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.77 AU - 1.09 AU

Year: 619 Days

Day: 8.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,770,192 km

• M1: 180,116 km (0.109 R)
• M2: 713,432 km (0.037 R)
• M3: 1,469,799 km (0.09 R)
• M4: 2,212,253 km (0.029 R)
• M5: 2,718,343 km (0.117 R)
• M6: 3,486,079 km (0.118 R)
• M7: 4,149,995 km (0.118 R)
• M8: 4,679,571 km (0.066 R)
• M9: 5,698,033 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 8.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.98 AU - 1.18 AU

Year: 775 Days

Day: 13.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 10,770,192 km

• M1: 140,323 km (0.071 R)
• M2: 469,139 km (0.096 R)
• M3: 824,583 km (0.119 R)
• M4: 1,228,797 km (0.039 R)
• M5: 2,014,934 km (0.101 R)
• M6: 2,279,273 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 12.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.08 AU - 1.36 AU

Year: 930 Days

Day: 5.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,770,192 km

• M1: 156,629 km (0.093 R)
• M2: 587,920 km (0.062 R)
• M3: 1,000,361 km (0.074 R)
• M4: 1,750,744 km (0.088 R)
• M5: 2,185,026 km (0.096 R)
• M6: 2,636,513 km (0.118 R)
• M7: 3,213,063 km (0.054 R)
• M8: 4,107,060 km (0.096 R)
• M9: 5,090,516 km (0.1 R)
• M10: 5,555,018 km (0.095 R)
• M11: 6,569,590 km (0.112 R)
• M12: 7,453,714 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148

Radius: 11.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.04 AU - 2.54 AU

Year: 2392 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,770,192 km

• M1: 145,559 km (0.096 R)
• M2: 527,931 km (0.09 R)
• M3: 973,284 km (0.089 R)
• M4: 2,346,443 km (0.052 R)
• M5: 4,435,577 km (0.115 R)
• M6: 6,088,334 km (0.077 R)
• M7: 6,490,453 km (0.053 R)
• M8: 7,102,458 km (0.071 R)
• M9: 9,822,447 km (0.106 R)
• M10: 10,377,155 km (0.063 R)
• M11: 10,855,121 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 12.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.89 AU - 3.27 AU

Year: 3731 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 10,770,192 km

• M1: 156,629 km (0.057 R)
• M2: 1,148,762 km (0.113 R)
• M3: 1,843,495 km (0.084 R)
• M4: 2,318,019 km (0.098 R)
• M5: 2,821,565 km (0.061 R)
• M6: 3,518,093 km (0.104 R)
• M7: 4,029,119 km (0.106 R)
• M8: 5,499,667 km (0.106 R)
• M9: 6,495,689 km (0.092 R)
• M10: 8,174,177 km (0.093 R)
• M11: 10,083,644 km (0.037 R)
• M12: 11,664,744 km (0.082 R)
• M13: 13,203,807 km (0.095 R)
• M14: 14,390,866 km (0.054 R)
• M15: 14,928,671 km (0.074 R)
• M16: 19,465,077 km (0.088 R)
• M17: 20,056,886 km (0.073 R)
• M18: 25,386,908 km (0.079 R)
• M19: 26,172,895 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.7

Radius: 13.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.09 AU - 3.15 AU

Year: 3804 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,770,192 km

• M1: 171,589 km (0.085 R)
• M2: 1,462,768 km (0.077 R)
• M3: 1,942,528 km (0.081 R)
• M4: 3,868,003 km (0.078 R)
• M5: 4,464,898 km (0.088 R)
• M6: 6,252,593 km (0.116 R)
• M7: 7,125,945 km (0.05 R)
• M8: 8,641,222 km (0.085 R)
• M9: 9,874,357 km (0.075 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: 440 - 18,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit