🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 10.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.47 AU - 0.55 AU

Year: 243 Days

Day: 13.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,865,275 km

• M1: 125,662 km (0.113 R)
• M2: 460,163 km (0.086 R)
• M3: 797,656 km (0.037 R)
• M4: 1,216,231 km (0.071 R)
• M5: 1,582,297 km (0.083 R)
• M6: 2,077,765 km (0.066 R)
• M7: 2,401,345 km (0.109 R)
• M8: 2,827,549 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 10.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.46 AU - 0.6 AU

Year: 257 Days

Day: 7.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,865,275 km

• M1: 131,796 km (0.071 R)
• M2: 586,872 km (0.072 R)
• M3: 1,165,068 km (0.05 R)
• M4: 1,898,995 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.6

Radius: 12.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.6 AU - 0.64 AU

Year: 326 Days

Day: 7.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,865,275 km

• M1: 157,975 km (0.12 R)
• M2: 769,980 km (0.118 R)
• M3: 1,172,847 km (0.118 R)
• M4: 1,568,683 km (0.085 R)
• M5: 2,507,709 km (0.072 R)
• M6: 2,978,793 km (0.116 R)
• M7: 3,648,393 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.3

Radius: 10.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.39 AU - 1.49 AU

Year: 1152 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 94.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,865,275 km

• M1: 130,599 km (0.085 R)
• M2: 482,304 km (0.078 R)
• M3: 913,594 km (0.055 R)
• M4: 1,249,741 km (0.103 R)
• M5: 1,877,902 km (0.045 R)
• M6: 2,447,122 km (0.065 R)
• M7: 2,892,475 km (0.111 R)
• M8: 4,493,322 km (0.079 R)
• M9: 5,615,156 km (0.033 R)
• M10: 6,155,504 km (0.058 R)
• M11: 6,572,134 km (0.107 R)
• M12: 6,984,276 km (0.097 R)
• M13: 8,324,972 km (0.1 R)
• M14: 9,252,778 km (0.053 R)
• M15: 10,067,488 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.1

Radius: 8.9

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.48 AU - 1.52 AU

Year: 1225 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,865,275 km

• M1: 110,702 km (0.058 R)
• M2: 454,628 km (0.086 R)
• M3: 779,704 km (0.108 R)
• M4: 1,122,882 km (0.102 R)
• M5: 1,425,518 km (0.077 R)
• M6: 2,644,292 km (0.073 R)
• M7: 3,542,029 km (0.118 R)
• M8: 4,449,489 km (0.086 R)
• M9: 4,815,406 km (0.111 R)
• M10: 5,861,993 km (0.078 R)
• M11: 6,788,602 km (0.115 R)
• M12: 7,783,876 km (0.085 R)
• M13: 9,307,082 km (0.101 R)
• M14: 9,633,953 km (0.094 R)
• M15: 9,999,421 km (0.108 R)
• M16: 10,501,172 km (0.074 R)
• M17: 11,118,563 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 11.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.99 AU - 3.33 AU

Year: 3746 Days

Day: 14.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,865,275 km

• M1: 148,251 km (0.094 R)
• M2: 533,765 km (0.066 R)
• M3: 1,043,595 km (0.118 R)
• M4: 1,424,471 km (0.117 R)
• M5: 2,163,484 km (0.104 R)
• M6: 2,574,280 km (0.041 R)
• M7: 2,950,668 km (0.041 R)
• M8: 3,634,630 km (0.119 R)
• M9: 4,376,486 km (0.103 R)
• M10: 5,825,491 km (0.086 R)
• M11: 6,996,842 km (0.112 R)
• M12: 7,638,467 km (0.118 R)
• M13: 8,459,909 km (0.12 R)
• M14: 11,151,175 km (0.101 R)
• M15: 11,540,129 km (0.107 R)
• M16: 14,318,012 km (0.056 R)
• M17: 16,107,053 km (0.103 R)
• M18: 17,688,602 km (0.061 R)
• M19: 19,934,365 km (0.109 R)
• M20: 21,356,442 km (0.062 R)
• M21: 23,403,091 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.4

Radius: 13

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.47 AU - 5.71 AU

Year: 7658 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,865,275 km

• M1: 161,715 km (0.117 R)
• M2: 929,751 km (0.076 R)
• M3: 1,446,163 km (0.091 R)
• M4: 2,187,420 km (0.081 R)
• M5: 2,734,051 km (0.083 R)
• M6: 10,537,375 km (0.051 R)
• M7: 13,470,989 km (0.097 R)
• M8: 14,190,256 km (0.105 R)
• M9: 16,570,059 km (0.092 R)
• M10: 24,053,393 km (0.102 R)
• M11: 26,759,020 km (0.085 R)
• M12: 31,500,674 km (0.083 R)
• M13: 32,341,863 km (0.08 R)
• M14: 33,090,151 km (0.12 R)
• M15: 35,292,082 km (0.05 R)
• M16: 37,122,562 km (0.089 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 19,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit