🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 9.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.7 AU - 0.7 AU

Year: 384 Days

Day: 11.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,560,642 km

• M1: 120,725 km (0.11 R)
• M2: 422,913 km (0.108 R)
• M3: 955,182 km (0.112 R)
• M4: 1,262,606 km (0.091 R)
• M5: 1,668,914 km (0.098 R)
• M6: 1,977,684 km (0.09 R)
• M7: 2,471,955 km (0.088 R)
• M8: 3,056,733 km (0.117 R)
• M9: 3,742,191 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 11

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.6 AU - 0.8 AU

Year: 384 Days

Day: 11.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,560,642 km

• M1: 136,882 km (0.072 R)
• M2: 572,661 km (0.113 R)
• M3: 987,944 km (0.116 R)
• M4: 1,384,229 km (0.084 R)
• M5: 1,812,977 km (0.111 R)
• M6: 2,201,033 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 8.9

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.8 AU - 1.12 AU

Year: 617 Days

Day: 14.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 113 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,560,642 km

• M1: 110,702 km (0.077 R)
• M2: 395,238 km (0.046 R)
• M3: 1,428,211 km (0.084 R)
• M4: 1,795,773 km (0.073 R)
• M5: 2,128,927 km (0.091 R)
• M6: 2,678,550 km (0.12 R)
• M7: 3,614,584 km (0.058 R)
• M8: 3,970,926 km (0.116 R)
• M9: 4,957,075 km (0.09 R)
• M10: 5,397,940 km (0.104 R)
• M11: 6,297,622 km (0.065 R)
• M12: 7,030,053 km (0.085 R)
• M13: 7,360,963 km (0.069 R)
• M14: 7,982,692 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 9.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.15 AU - 1.49 AU

Year: 995 Days

Day: 13.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,560,642 km

• M1: 120,576 km (0.077 R)
• M2: 537,206 km (0.088 R)
• M3: 1,080,695 km (0.111 R)
• M4: 1,567,935 km (0.087 R)
• M5: 1,902,586 km (0.092 R)
• M6: 2,821,565 km (0.117 R)
• M7: 3,296,389 km (0.113 R)
• M8: 3,600,970 km (0.094 R)
• M9: 5,712,694 km (0.114 R)
• M10: 6,293,283 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.1

Radius: 12.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.47 AU - 1.63 AU

Year: 1266 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,560,642 km

• M1: 162,762 km (0.083 R)
• M2: 771,626 km (0.116 R)
• M3: 1,382,584 km (0.088 R)
• M4: 1,958,685 km (0.084 R)
• M5: 2,564,257 km (0.106 R)
• M6: 3,156,515 km (0.078 R)
• M7: 3,712,271 km (0.083 R)
• M8: 4,459,363 km (0.052 R)
• M9: 5,021,701 km (0.105 R)

Asteroid Belt

Center: 1.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.1

Radius: 12.2

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2 AU - 2.78 AU

Year: 2424 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,560,642 km

• M1: 153,637 km (0.105 R)
• M2: 578,046 km (0.108 R)
• M3: 1,221,167 km (0.118 R)
• M4: 1,950,906 km (0.118 R)
• M5: 3,327,505 km (0.046 R)
• M6: 5,079,297 km (0.114 R)
• M7: 5,747,101 km (0.064 R)
• M8: 6,169,865 km (0.061 R)
• M9: 6,872,227 km (0.11 R)
• M10: 7,318,777 km (0.074 R)
• M11: 7,784,774 km (0.081 R)
• M12: 9,665,369 km (0.088 R)
• M13: 11,622,707 km (0.056 R)
• M14: 13,232,231 km (0.069 R)
• M15: 15,283,966 km (0.031 R)
• M16: 19,830,095 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580

Radius: 10.7

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.09 AU - 5.01 AU

Year: 6367 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 53.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,560,642 km

• M1: 135,087 km (0.106 R)
• M2: 630,705 km (0.089 R)
• M3: 1,053,767 km (0.115 R)
• M4: 1,732,044 km (0.117 R)
• M5: 2,162,138 km (0.039 R)
• M6: 2,539,573 km (0.111 R)
• M7: 3,344,560 km (0.106 R)
• M8: 4,619,582 km (0.041 R)
• M9: 4,970,090 km (0.085 R)
• M10: 5,367,572 km (0.094 R)
• M11: 6,587,991 km (0.113 R)
• M12: 8,936,977 km (0.064 R)
• M13: 10,186,867 km (0.078 R)
• M14: 10,736,789 km (0.083 R)
• M15: 11,647,989 km (0.11 R)
• M16: 12,924,358 km (0.077 R)
• M17: 13,406,064 km (0.109 R)
• M18: 14,122,787 km (0.104 R)
• M19: 14,633,813 km (0.072 R)
• M20: 14,981,479 km (0.037 R)
• M21: 16,992,523 km (0.093 R)
• M22: 17,766,542 km (0.061 R)
• M23: 28,793,102 km (0.115 R)
• M24: 29,892,946 km (0.034 R)
• M25: 30,830,625 km (0.045 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: 189 - 16,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit