🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 10.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 5.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,464,331 km

• M1: 128,056 km (0.108 R)
• M2: 461,360 km (0.098 R)
• M3: 927,507 km (0.057 R)
• M4: 1,289,384 km (0.072 R)
• M5: 1,700,928 km (0.095 R)
• M6: 2,040,365 km (0.086 R)
• M7: 2,552,738 km (0.1 R)
• M8: 3,364,755 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.5

Radius: 10.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.84 AU

Year: 380 Days

Day: 11.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,464,331 km

• M1: 138,378 km (0.07 R)
• M2: 559,047 km (0.06 R)
• M3: 1,291,329 km (0.097 R)
• M4: 1,964,968 km (0.062 R)
• M5: 3,177,309 km (0.082 R)
• M6: 4,078,636 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 10.7

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.86 AU - 1.12 AU

Year: 668 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,464,331 km

• M1: 134,937 km (0.112 R)
• M2: 832,363 km (0.098 R)
• M3: 1,269,936 km (0.102 R)
• M4: 2,525,960 km (0.118 R)
• M5: 4,892,150 km (0.115 R)
• M6: 5,464,062 km (0.097 R)
• M7: 5,961,176 km (0.113 R)
• M8: 7,246,521 km (0.07 R)
• M9: 7,823,669 km (0.029 R)
• M10: 8,257,952 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 14.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.06 AU - 1.06 AU

Year: 740 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,464,331 km

• M1: 177,872 km (0.09 R)
• M2: 694,583 km (0.12 R)
• M3: 1,220,569 km (0.088 R)
• M4: 1,890,319 km (0.043 R)
• M5: 2,457,295 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.9

Radius: 12

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.41 AU - 2.15 AU

Year: 1611 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,464,331 km

• M1: 149,299 km (0.071 R)
• M2: 525,537 km (0.079 R)
• M3: 941,120 km (0.117 R)
• M4: 2,376,362 km (0.032 R)
• M5: 3,439,853 km (0.049 R)
• M6: 4,586,372 km (0.095 R)
• M7: 5,239,217 km (0.088 R)
• M8: 5,820,404 km (0.116 R)
• M9: 7,352,137 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 14.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.01 AU - 2.47 AU

Year: 2274 Days

Day: 11.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,464,331 km

• M1: 176,376 km (0.046 R)
• M2: 692,339 km (0.068 R)
• M3: 1,193,941 km (0.101 R)
• M4: 2,457,145 km (0.04 R)
• M5: 3,729,176 km (0.029 R)
• M6: 5,244,153 km (0.101 R)
• M7: 6,756,139 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 11.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.27 AU - 3.31 AU

Year: 3161 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 127 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,464,331 km

• M1: 138,528 km (0.113 R)
• M2: 487,240 km (0.088 R)
• M3: 1,153,848 km (0.091 R)
• M4: 2,280,769 km (0.053 R)
• M5: 5,010,033 km (0.09 R)
• M6: 5,701,474 km (0.099 R)
• M7: 6,084,295 km (0.054 R)
• M8: 8,684,456 km (0.106 R)
• M9: 9,720,870 km (0.119 R)
• M10: 10,550,839 km (0.079 R)
• M11: 12,216,761 km (0.105 R)
• M12: 14,002,361 km (0.111 R)
• M13: 15,320,318 km (0.112 R)
• M14: 17,621,432 km (0.088 R)
• M15: 18,201,573 km (0.12 R)
• M16: 19,338,966 km (0.118 R)
• M17: 19,956,206 km (0.104 R)
• M18: 20,906,901 km (0.08 R)
• M19: 23,035,379 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.1

Radius: 8.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.45 AU - 3.97 AU

Year: 3901 Days

Day: 9.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,464,331 km

• M1: 104,419 km (0.116 R)
• M2: 448,494 km (0.066 R)
• M3: 1,359,994 km (0.092 R)
• M4: 2,831,289 km (0.056 R)
• M5: 3,564,169 km (0.102 R)
• M6: 5,021,103 km (0.096 R)
• M7: 5,538,562 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 11

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3 AU - 4.7 AU

Year: 5124 Days

Day: 7.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,464,331 km

• M1: 136,732 km (0.106 R)
• M2: 515,813 km (0.062 R)
• M3: 896,241 km (0.109 R)
• M4: 1,276,967 km (0.082 R)
• M5: 2,025,854 km (0.032 R)
• M6: 2,514,591 km (0.102 R)
• M7: 3,133,477 km (0.109 R)
• M8: 3,633,134 km (0.084 R)
• M9: 6,268,450 km (0.111 R)
• M10: 7,993,762 km (0.064 R)
• M11: 8,715,871 km (0.12 R)
• M12: 9,443,665 km (0.086 R)
• M13: 10,570,137 km (0.026 R)
• M14: 11,271,003 km (0.06 R)
• M15: 14,687,968 km (0.07 R)
• M16: 16,090,149 km (0.09 R)
• M17: 16,631,543 km (0.05 R)
• M18: 17,017,655 km (0.076 R)
• M19: 19,706,228 km (0.093 R)
• M20: 20,514,506 km (0.07 R)
• M21: 21,539,700 km (0.115 R)
• M22: 21,998,666 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 11,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit