🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 9.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.59 AU - 0.83 AU

Year: 399 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,651,980 km

• M1: 115,639 km (0.075 R)
• M2: 433,684 km (0.102 R)
• M3: 731,384 km (0.059 R)
• M4: 1,106,725 km (0.108 R)
• M5: 1,427,014 km (0.101 R)
• M6: 1,882,240 km (0.073 R)
• M7: 2,414,809 km (0.1 R)
• M8: 2,973,258 km (0.089 R)
• M9: 3,288,909 km (0.102 R)
• M10: 3,615,332 km (0.102 R)
• M11: 4,480,456 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696

Radius: 10.6

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.63 AU - 0.95 AU

Year: 468 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,651,980 km

• M1: 132,095 km (0.107 R)
• M2: 478,863 km (0.061 R)
• M3: 902,524 km (0.038 R)
• M4: 1,642,435 km (0.037 R)
• M5: 2,016,579 km (0.056 R)
• M6: 2,535,534 km (0.082 R)
• M7: 2,951,416 km (0.101 R)
• M8: 3,572,996 km (0.116 R)
• M9: 4,111,997 km (0.081 R)
• M10: 4,644,266 km (0.085 R)
• M11: 5,045,338 km (0.096 R)
• M12: 5,503,107 km (0.11 R)
• M13: 6,024,306 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 13.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.94 AU - 1.28 AU

Year: 780 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,651,980 km

• M1: 169,195 km (0.072 R)
• M2: 723,007 km (0.091 R)
• M3: 1,320,351 km (0.059 R)
• M4: 1,824,645 km (0.068 R)
• M5: 2,572,036 km (0.11 R)
• M6: 3,006,319 km (0.056 R)
• M7: 3,582,121 km (0.081 R)
• M8: 6,182,431 km (0.079 R)
• M9: 7,270,307 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.5

Radius: 14.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.2 AU - 1.9 AU

Year: 1287 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,651,980 km

• M1: 176,675 km (0.082 R)
• M2: 634,295 km (0.108 R)
• M3: 1,084,136 km (0.101 R)
• M4: 1,895,405 km (0.103 R)
• M5: 2,411,069 km (0.061 R)
• M6: 6,403,387 km (0.116 R)
• M7: 7,221,538 km (0.094 R)
• M8: 8,793,213 km (0.093 R)
• M9: 9,487,796 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.4

Radius: 10

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.43 AU - 1.95 AU

Year: 1465 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 15,651,980 km

• M1: 125,812 km (0.086 R)
• M2: 443,707 km (0.043 R)
• M3: 794,215 km (0.05 R)
• M4: 1,248,394 km (0.093 R)
• M5: 1,882,689 km (0.111 R)
• M6: 2,760,978 km (0.118 R)
• M7: 3,093,235 km (0.079 R)
• M8: 3,484,733 km (0.041 R)
• M9: 3,856,633 km (0.114 R)
• M10: 4,273,562 km (0.057 R)
• M11: 5,527,492 km (0.071 R)
• M12: 5,847,033 km (0.08 R)
• M13: 6,423,733 km (0.105 R)
• M14: 7,831,598 km (0.097 R)
• M15: 8,324,074 km (0.086 R)
• M16: 8,714,525 km (0.033 R)
• M17: 14,064,893 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.3

Radius: 11

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.7 AU - 2.48 AU

Year: 2015 Days

Day: 9.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 15,651,980 km

• M1: 137,032 km (0.1 R)
• M2: 485,595 km (0.109 R)
• M3: 1,376,600 km (0.041 R)
• M4: 1,988,904 km (0.105 R)
• M5: 2,353,474 km (0.109 R)
• M6: 2,838,021 km (0.088 R)
• M7: 3,261,682 km (0.094 R)
• M8: 4,187,843 km (0.073 R)
• M9: 4,650,100 km (0.105 R)
• M10: 5,300,253 km (0.12 R)
• M11: 5,698,183 km (0.046 R)
• M12: 6,245,562 km (0.049 R)
• M13: 6,943,735 km (0.099 R)
• M14: 7,299,778 km (0.109 R)
• M15: 7,895,028 km (0.098 R)
• M16: 8,283,384 km (0.077 R)
• M17: 8,875,941 km (0.076 R)
• M18: 9,995,831 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.9

Radius: 9.6

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.73 AU - 2.51 AU

Year: 2058 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,651,980 km

• M1: 120,426 km (0.065 R)
• M2: 506,090 km (0.099 R)
• M3: 868,565 km (0.094 R)
• M4: 1,451,548 km (0.066 R)
• M5: 1,752,689 km (0.057 R)
• M6: 2,167,673 km (0.088 R)
• M7: 2,774,741 km (0.062 R)
• M8: 3,277,091 km (0.025 R)
• M9: 4,077,739 km (0.091 R)
• M10: 8,222,049 km (0.108 R)
• M11: 8,652,292 km (0.061 R)
• M12: 10,632,369 km (0.067 R)
• M13: 13,185,856 km (0.096 R)
• M14: 14,164,375 km (0.11 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: 202 - 16,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit