🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218

Radius: 9.9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.47 AU - 0.75 AU

Year: 335 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 76.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,452,803 km

• M1: 123,119 km (0.05 R)
• M2: 431,739 km (0.106 R)
• M3: 749,336 km (0.102 R)
• M4: 1,330,972 km (0.076 R)
• M5: 1,884,036 km (0.115 R)
• M6: 3,312,396 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 14.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.65 AU - 0.73 AU

Year: 403 Days

Day: 6.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,452,803 km

• M1: 176,974 km (0.055 R)
• M2: 641,476 km (0.038 R)
• M3: 1,083,537 km (0.079 R)
• M4: 1,622,838 km (0.082 R)
• M5: 2,170,516 km (0.078 R)
• M6: 3,098,022 km (0.093 R)
• M7: 3,670,384 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 9.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.64 AU - 1 AU

Year: 522 Days

Day: 13.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,452,803 km

• M1: 115,639 km (0.076 R)
• M2: 439,818 km (0.107 R)
• M3: 740,210 km (0.105 R)
• M4: 1,106,575 km (0.107 R)
• M5: 1,502,411 km (0.111 R)
• M6: 1,991,746 km (0.093 R)
• M7: 2,565,753 km (0.073 R)
• M8: 3,246,274 km (0.03 R)
• M9: 3,552,650 km (0.077 R)
• M10: 4,330,559 km (0.059 R)
• M11: 4,803,139 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 14.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.63 AU - 1.03 AU

Year: 532 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,452,803 km

• M1: 179,069 km (0.088 R)
• M2: 630,705 km (0.035 R)
• M3: 1,080,246 km (0.087 R)
• M4: 1,614,759 km (0.036 R)
• M5: 2,090,780 km (0.03 R)
• M6: 2,622,002 km (0.094 R)
• M7: 3,372,086 km (0.084 R)
• M8: 3,844,216 km (0.114 R)
• M9: 4,417,625 km (0.118 R)
• M10: 4,985,349 km (0.105 R)
• M11: 5,652,406 km (0.088 R)
• M12: 6,105,837 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315

Radius: 10.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.45 AU - 1.59 AU

Year: 1317 Days

Day: 7.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,452,803 km

• M1: 138,228 km (0.081 R)
• M2: 560,394 km (0.086 R)
• M3: 1,083,837 km (0.077 R)
• M4: 1,580,502 km (0.102 R)
• M5: 2,024,957 km (0.102 R)
• M6: 2,406,880 km (0.107 R)
• M7: 2,763,970 km (0.049 R)
• M8: 3,429,382 km (0.081 R)
• M9: 3,823,273 km (0.115 R)
• M10: 4,231,077 km (0.086 R)
• M11: 5,060,896 km (0.076 R)
• M12: 5,632,509 km (0.045 R)
• M13: 6,016,378 km (0.063 R)
• M14: 7,018,982 km (0.054 R)
• M15: 7,488,271 km (0.068 R)
• M16: 8,515,859 km (0.073 R)
• M17: 9,077,449 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 12.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.98 AU - 2.1 AU

Year: 2048 Days

Day: 6.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,452,803 km

• M1: 155,432 km (0.088 R)
• M2: 571,015 km (0.106 R)
• M3: 1,107,922 km (0.042 R)
• M4: 1,603,091 km (0.083 R)
• M5: 2,328,341 km (0.064 R)
• M6: 3,774,055 km (0.102 R)
• M7: 5,572,670 km (0.095 R)
• M8: 6,047,644 km (0.074 R)
• M9: 6,899,903 km (0.061 R)
• M10: 8,812,811 km (0.105 R)
• M11: 9,491,087 km (0.031 R)
• M12: 10,170,710 km (0.091 R)
• M13: 11,375,422 km (0.113 R)
• M14: 13,417,732 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 10.9

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.99 AU - 2.73 AU

Year: 2548 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,452,803 km

• M1: 135,536 km (0.08 R)
• M2: 480,359 km (0.092 R)
• M3: 948,301 km (0.107 R)
• M4: 1,566,738 km (0.033 R)
• M5: 2,326,845 km (0.074 R)
• M6: 2,814,834 km (0.046 R)
• M7: 3,646,598 km (0.057 R)
• M8: 4,792,667 km (0.103 R)
• M9: 5,740,968 km (0.114 R)
• M10: 6,523,963 km (0.096 R)
• M11: 7,134,322 km (0.086 R)
• M12: 7,750,516 km (0.1 R)
• M13: 9,666,266 km (0.101 R)
• M14: 10,039,064 km (0.109 R)
• M15: 11,013,096 km (0.09 R)
• M16: 11,502,580 km (0.047 R)
• M17: 12,481,250 km (0.114 R)
• M18: 13,746,548 km (0.101 R)
• M19: 17,610,063 km (0.088 R)
• M20: 18,279,962 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 11,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit