🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.5

Radius: 9.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.45 AU - 0.67 AU

Year: 284 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,515,000 km

• M1: 121,324 km (0.102 R)
• M2: 420,370 km (0.114 R)
• M3: 779,854 km (0.099 R)
• M4: 1,297,612 km (0.095 R)
• M5: 1,600,099 km (0.089 R)
• M6: 2,091,528 km (0.106 R)
• M7: 2,657,756 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.9

Radius: 10.5

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 12.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,515,000 km

• M1: 130,599 km (0.099 R)
• M2: 463,005 km (0.091 R)
• M3: 831,465 km (0.086 R)
• M4: 1,178,083 km (0.064 R)
• M5: 1,530,386 km (0.086 R)
• M6: 1,920,388 km (0.075 R)
• M7: 2,455,649 km (0.098 R)
• M8: 3,144,846 km (0.084 R)
• M9: 3,479,198 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 9.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1 AU - 1.36 AU

Year: 869 Days

Day: 6.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,515,000 km

• M1: 115,789 km (0.092 R)
• M2: 516,561 km (0.106 R)
• M3: 934,538 km (0.076 R)
• M4: 1,226,254 km (0.086 R)
• M5: 1,782,459 km (0.043 R)
• M6: 2,343,600 km (0.084 R)
• M7: 3,203,190 km (0.065 R)
• M8: 4,273,862 km (0.083 R)
• M9: 4,643,668 km (0.104 R)
• M10: 4,938,824 km (0.097 R)
• M11: 5,549,931 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 14.8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.18 AU - 1.68 AU

Year: 1160 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,515,000 km

• M1: 184,155 km (0.116 R)
• M2: 682,765 km (0.055 R)
• M3: 1,168,808 km (0.096 R)
• M4: 1,700,629 km (0.057 R)
• M5: 2,717,745 km (0.036 R)
• M6: 3,677,116 km (0.077 R)
• M7: 4,157,624 km (0.099 R)
• M8: 4,680,319 km (0.112 R)
• M9: 5,155,442 km (0.073 R)
• M10: 5,740,818 km (0.104 R)
• M11: 6,286,701 km (0.09 R)
• M12: 7,554,094 km (0.098 R)
• M13: 8,136,329 km (0.105 R)
• M14: 8,800,693 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 10.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.75 AU - 1.95 AU

Year: 1707 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,515,000 km

• M1: 126,560 km (0.118 R)
• M2: 516,561 km (0.103 R)
• M3: 843,134 km (0.114 R)
• M4: 1,207,255 km (0.08 R)
• M5: 1,594,265 km (0.111 R)
• M6: 1,977,684 km (0.066 R)
• M7: 3,298,633 km (0.053 R)
• M8: 4,227,037 km (0.083 R)
• M9: 4,870,607 km (0.098 R)
• M10: 5,236,973 km (0.108 R)
• M11: 5,911,360 km (0.11 R)
• M12: 8,031,162 km (0.061 R)
• M13: 8,428,344 km (0.071 R)
• M14: 8,868,311 km (0.107 R)
• M15: 9,200,568 km (0.071 R)
• M16: 10,920,345 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669

Radius: 11.5

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.82 AU - 2.7 AU

Year: 2304 Days

Day: 12.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,515,000 km

• M1: 144,362 km (0.049 R)
• M2: 544,985 km (0.113 R)
• M3: 1,186,760 km (0.075 R)
• M4: 1,633,010 km (0.072 R)
• M5: 2,141,045 km (0.109 R)
• M6: 2,950,668 km (0.119 R)
• M7: 3,747,875 km (0.116 R)
• M8: 4,923,266 km (0.094 R)
• M9: 5,334,211 km (0.119 R)
• M10: 6,789,051 km (0.111 R)
• M11: 7,241,435 km (0.117 R)
• M12: 7,804,671 km (0.087 R)
• M13: 8,365,064 km (0.084 R)
• M14: 9,052,616 km (0.085 R)
• M15: 10,136,153 km (0.109 R)
• M16: 10,765,960 km (0.099 R)
• M17: 11,343,109 km (0.086 R)
• M18: 12,392,388 km (0.032 R)
• M19: 13,995,778 km (0.069 R)
• M20: 15,978,698 km (0.028 R)
• M21: 16,883,466 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 8.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.53 AU - 4.53 AU

Year: 5487 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,515,000 km

• M1: 109,506 km (0.097 R)
• M2: 398,080 km (0.104 R)
• M3: 1,206,806 km (0.119 R)
• M4: 4,503,195 km (0.071 R)
• M5: 4,779,951 km (0.074 R)
• M6: 5,852,269 km (0.104 R)
• M7: 6,130,820 km (0.074 R)
• M8: 6,498,382 km (0.119 R)
• M9: 7,048,902 km (0.062 R)
• M10: 7,364,703 km (0.111 R)
• M11: 8,723,650 km (0.09 R)
• M12: 10,425,775 km (0.095 R)
• M13: 13,010,676 km (0.102 R)
• M14: 16,192,324 km (0.064 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 15,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit