🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 11.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.7 AU - 0.96 AU

Year: 504 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,840,216 km

• M1: 140,472 km (0.097 R)
• M2: 546,481 km (0.116 R)
• M3: 910,153 km (0.111 R)
• M4: 1,260,063 km (0.105 R)
• M5: 1,810,134 km (0.077 R)
• M6: 2,188,318 km (0.112 R)
• M7: 3,362,661 km (0.086 R)
• M8: 3,790,361 km (0.107 R)
• M9: 4,174,379 km (0.039 R)
• M10: 5,036,362 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.4

Radius: 12.6

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.81 AU - 0.89 AU

Year: 523 Days

Day: 6 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,840,216 km

• M1: 156,629 km (0.063 R)
• M2: 667,954 km (0.044 R)
• M3: 1,117,047 km (0.052 R)
• M4: 1,575,565 km (0.087 R)
• M5: 2,012,091 km (0.077 R)
• M6: 2,806,007 km (0.099 R)
• M7: 5,216,179 km (0.077 R)
• M8: 5,703,419 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 10.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.33 AU - 2.01 AU

Year: 1439 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,840,216 km

• M1: 135,536 km (0.12 R)
• M2: 544,835 km (0.06 R)
• M3: 1,002,755 km (0.109 R)
• M4: 1,534,276 km (0.064 R)
• M5: 2,179,791 km (0.092 R)
• M6: 2,572,635 km (0.092 R)
• M7: 2,984,627 km (0.072 R)
• M8: 4,456,670 km (0.108 R)
• M9: 6,602,951 km (0.113 R)
• M10: 7,381,309 km (0.061 R)
• M11: 8,589,611 km (0.102 R)
• M12: 10,182,529 km (0.104 R)
• M13: 11,014,742 km (0.032 R)
• M14: 11,360,014 km (0.057 R)
• M15: 11,927,588 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 15

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.51 AU - 1.83 AU

Year: 1439 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,840,216 km

• M1: 186,549 km (0.083 R)
• M2: 766,988 km (0.065 R)
• M3: 1,405,921 km (0.086 R)
• M4: 1,883,437 km (0.114 R)
• M5: 2,821,266 km (0.102 R)
• M6: 3,661,857 km (0.119 R)
• M7: 4,784,738 km (0.117 R)
• M8: 5,271,380 km (0.043 R)
• M9: 5,756,676 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.2

Radius: 13.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.43 AU - 2.87 AU

Year: 2877 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,840,216 km

• M1: 169,195 km (0.049 R)
• M2: 614,997 km (0.118 R)
• M3: 1,145,620 km (0.045 R)
• M4: 1,694,944 km (0.104 R)
• M5: 2,419,297 km (0.053 R)
• M6: 3,124,651 km (0.113 R)
• M7: 3,886,852 km (0.106 R)
• M8: 5,390,460 km (0.029 R)
• M9: 6,090,129 km (0.073 R)
• M10: 9,337,151 km (0.107 R)
• M11: 10,536,328 km (0.112 R)
• M12: 13,867,274 km (0.071 R)
• M13: 14,374,560 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 10.7

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.43 AU - 4.63 AU

Year: 5395 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,840,216 km

• M1: 133,142 km (0.118 R)
• M2: 548,725 km (0.105 R)
• M3: 918,082 km (0.096 R)
• M4: 1,494,483 km (0.053 R)
• M5: 1,838,558 km (0.095 R)
• M6: 2,220,780 km (0.095 R)
• M7: 2,603,003 km (0.038 R)
• M8: 3,395,124 km (0.078 R)
• M9: 4,095,092 km (0.105 R)
• M10: 4,727,592 km (0.104 R)
• M11: 5,194,038 km (0.099 R)
• M12: 5,541,704 km (0.09 R)
• M13: 6,746,565 km (0.118 R)
• M14: 7,852,691 km (0.112 R)
• M15: 8,668,000 km (0.089 R)
• M16: 10,240,722 km (0.092 R)
• M17: 10,604,395 km (0.05 R)
• M18: 11,945,839 km (0.069 R)
• M19: 13,023,691 km (0.108 R)
• M20: 14,053,822 km (0.11 R)
• M21: 16,522,337 km (0.102 R)
• M22: 17,150,199 km (0.079 R)
• M23: 19,198,194 km (0.114 R)
• M24: 21,552,116 km (0.049 R)
• M25: 26,060,398 km (0.087 R)
• M26: 26,997,479 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.9

Radius: 6.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.72 AU - 6.24 AU

Year: 9752 Days

Day: 21 Hours

Environment

Temp: -218 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,840,216 km

• M1: 75,846 km (0.081 R)
• M2: 273,166 km (0.101 R)
• M3: 493,673 km (0.099 R)
• M4: 3,296,838 km (0.056 R)
• M5: 6,320,061 km (0.061 R)
• M6: 7,406,142 km (0.026 R)
• M7: 8,121,968 km (0.059 R)
• M8: 8,922,316 km (0.094 R)
• M9: 9,321,294 km (0.049 R)
• M10: 10,414,555 km (0.071 R)
• M11: 13,621,335 km (0.087 R)
• M12: 14,365,734 km (0.118 R)
• M13: 14,583,399 km (0.11 R)
• M14: 15,590,043 km (0.117 R)
• M15: 16,168,837 km (0.06 R)
• M16: 19,811,844 km (0.08 R)
• M17: 28,155,366 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 14,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit