🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 14.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.59 AU - 0.71 AU

Year: 362 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,217,240 km

• M1: 184,305 km (0.093 R)
• M2: 780,302 km (0.05 R)
• M3: 1,366,128 km (0.101 R)
• M4: 1,945,371 km (0.106 R)
• M5: 2,460,586 km (0.071 R)
• M6: 3,288,012 km (0.096 R)
• M7: 3,849,303 km (0.03 R)
• M8: 4,516,659 km (0.077 R)
• M9: 5,695,341 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.5

Radius: 12.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.8 AU - 0.98 AU

Year: 580 Days

Day: 9.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,217,240 km

• M1: 155,582 km (0.09 R)
• M2: 872,305 km (0.057 R)
• M3: 1,627,176 km (0.112 R)
• M4: 2,074,324 km (0.094 R)
• M5: 2,489,309 km (0.067 R)
• M6: 3,024,420 km (0.093 R)
• M7: 3,514,204 km (0.083 R)
• M8: 4,043,630 km (0.11 R)
• M9: 5,456,433 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 11.3

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.7 AU - 2.06 AU

Year: 1779 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,217,240 km

• M1: 140,472 km (0.064 R)
• M2: 539,749 km (0.061 R)
• M3: 1,305,690 km (0.112 R)
• M4: 2,220,332 km (0.049 R)
• M5: 2,759,333 km (0.068 R)
• M6: 3,139,461 km (0.109 R)
• M7: 3,554,595 km (0.107 R)
• M8: 4,236,761 km (0.035 R)
• M9: 5,204,510 km (0.075 R)
• M10: 6,313,778 km (0.115 R)
• M11: 6,842,607 km (0.092 R)
• M12: 11,031,497 km (0.112 R)
• M13: 11,682,547 km (0.068 R)
• M14: 12,852,103 km (0.1 R)
• M15: 13,315,557 km (0.081 R)
• M16: 13,703,015 km (0.079 R)
• M17: 14,365,584 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 10

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.89 AU - 2.91 AU

Year: 3409 Days

Day: 12.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,217,240 km

• M1: 155,881 km (0.035 R)
• M2: 471,233 km (0.104 R)
• M3: 803,490 km (0.101 R)
• M4: 1,465,012 km (0.074 R)
• M5: 2,308,146 km (0.062 R)
• M6: 3,905,552 km (0.094 R)
• M7: 4,467,890 km (0.08 R)
• M8: 5,982,269 km (0.085 R)
• M9: 6,674,907 km (0.031 R)
• M10: 7,185,036 km (0.108 R)
• M11: 8,251,669 km (0.119 R)
• M12: 8,739,807 km (0.115 R)
• M13: 11,003,671 km (0.097 R)
• M14: 12,757,108 km (0.078 R)
• M15: 14,548,543 km (0.102 R)
• M16: 18,240,169 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.5

Radius: 12.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.39 AU - 3.55 AU

Year: 3533 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,217,240 km

• M1: 159,172 km (0.088 R)
• M2: 733,329 km (0.06 R)
• M3: 1,199,476 km (0.113 R)
• M4: 1,780,813 km (0.082 R)
• M5: 2,345,994 km (0.115 R)
• M6: 2,982,832 km (0.068 R)
• M7: 3,469,623 km (0.057 R)
• M8: 4,481,204 km (0.107 R)
• M9: 5,656,146 km (0.1 R)
• M10: 6,226,114 km (0.116 R)
• M11: 6,725,621 km (0.087 R)
• M12: 8,200,357 km (0.117 R)
• M13: 8,608,609 km (0.106 R)
• M14: 10,635,511 km (0.038 R)
• M15: 11,978,750 km (0.118 R)
• M16: 13,649,011 km (0.074 R)
• M17: 14,313,823 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.9

Radius: 14.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.6 AU - 3.76 AU

Year: 4873 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 141.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,217,240 km

• M1: 178,620 km (0.073 R)
• M2: 676,631 km (0.085 R)
• M3: 1,167,312 km (0.051 R)
• M4: 2,810,794 km (0.037 R)
• M5: 3,271,406 km (0.085 R)
• M6: 4,471,929 km (0.117 R)
• M7: 5,160,079 km (0.077 R)
• M8: 8,804,134 km (0.076 R)
• M9: 9,335,506 km (0.117 R)
• M10: 10,644,188 km (0.086 R)
• M11: 15,363,701 km (0.075 R)
• M12: 15,955,361 km (0.084 R)
• M13: 20,817,591 km (0.116 R)
• M14: 21,911,451 km (0.071 R)
• M15: 26,673,001 km (0.049 R)
• M16: 27,788,852 km (0.066 R)
• M17: 28,757,049 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.8

Radius: 6.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.25 AU - 7.75 AU

Year: 11439 Days

Day: 19.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,217,240 km

• M1: 82,129 km (0.058 R)
• M2: 2,049,640 km (0.11 R)
• M3: 2,413,911 km (0.095 R)
• M4: 3,556,989 km (0.034 R)
• M5: 4,814,359 km (0.052 R)
• M6: 5,628,620 km (0.102 R)
• M7: 8,244,638 km (0.088 R)
• M8: 10,583,451 km (0.101 R)
• M9: 16,111,391 km (0.093 R)
• M10: 16,639,023 km (0.111 R)
• M11: 19,716,551 km (0.078 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 11,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit