🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.5

Radius: 12

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 7.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,444,441 km

• M1: 149,299 km (0.092 R)
• M2: 600,635 km (0.042 R)
• M3: 1,129,614 km (0.11 R)
• M4: 1,507,348 km (0.093 R)
• M5: 2,368,583 km (0.032 R)
• M6: 2,809,298 km (0.104 R)
• M7: 3,723,641 km (0.115 R)
• M8: 4,500,951 km (0.115 R)
• M9: 4,884,819 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.7

Radius: 11.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.14 AU - 1.66 AU

Year: 1143 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,444,441 km

• M1: 150,346 km (0.053 R)
• M2: 537,804 km (0.096 R)
• M3: 1,037,760 km (0.047 R)
• M4: 1,456,784 km (0.082 R)
• M5: 1,856,659 km (0.044 R)
• M6: 2,711,013 km (0.11 R)
• M7: 4,000,546 km (0.107 R)
• M8: 4,596,395 km (0.053 R)
• M9: 5,929,461 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 10.8

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.26 AU - 1.6 AU

Year: 1180 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,444,441 km

• M1: 134,339 km (0.115 R)
• M2: 473,477 km (0.119 R)
• M3: 1,037,312 km (0.06 R)
• M4: 1,406,519 km (0.112 R)
• M5: 1,824,645 km (0.081 R)
• M6: 2,483,175 km (0.087 R)
• M7: 2,902,947 km (0.098 R)
• M8: 4,182,457 km (0.093 R)
• M9: 4,819,445 km (0.072 R)
• M10: 5,203,014 km (0.093 R)
• M11: 5,694,593 km (0.077 R)
• M12: 6,453,951 km (0.082 R)
• M13: 7,150,030 km (0.088 R)
• M14: 8,145,754 km (0.04 R)
• M15: 9,635,000 km (0.093 R)
• M16: 10,213,196 km (0.112 R)
• M17: 11,193,511 km (0.101 R)
• M18: 11,760,487 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 13

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.88 AU - 5.34 AU

Year: 7973 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,444,441 km

• M1: 161,865 km (0.105 R)
• M2: 583,880 km (0.109 R)
• M3: 1,075,758 km (0.111 R)
• M4: 2,088,536 km (0.046 R)
• M5: 2,679,747 km (0.069 R)
• M6: 3,420,107 km (0.12 R)
• M7: 4,293,010 km (0.032 R)
• M8: 6,388,876 km (0.082 R)
• M9: 7,609,744 km (0.032 R)
• M10: 8,641,820 km (0.064 R)
• M11: 10,050,284 km (0.06 R)
• M12: 11,203,385 km (0.114 R)
• M13: 16,193,371 km (0.028 R)
• M14: 17,415,586 km (0.057 R)
• M15: 18,698,387 km (0.102 R)
• M16: 19,395,065 km (0.093 R)
• M17: 21,246,638 km (0.084 R)
• M18: 21,727,445 km (0.105 R)
• M19: 24,615,282 km (0.085 R)
• M20: 25,069,462 km (0.117 R)
• M21: 25,994,724 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.2

Radius: 5.7

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.96 AU - 7.84 AU

Year: 11176 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,444,441 km

• M1: 71,059 km (0.05 R)
• M2: 447,597 km (0.096 R)
• M3: 669,151 km (0.12 R)
• M4: 1,164,320 km (0.084 R)
• M5: 1,405,622 km (0.049 R)
• M6: 1,622,389 km (0.039 R)
• M7: 2,805,558 km (0.064 R)
• M8: 4,060,685 km (0.114 R)
• M9: 4,446,647 km (0.083 R)
• M10: 5,101,886 km (0.12 R)
• M11: 9,512,480 km (0.091 R)
• M12: 10,852,428 km (0.11 R)
• M13: 11,703,191 km (0.063 R)
• M14: 16,019,838 km (0.072 R)
• M15: 17,333,008 km (0.119 R)
• M16: 17,690,098 km (0.085 R)
• M17: 18,419,088 km (0.104 R)
• M18: 20,566,566 km (0.077 R)
• M19: 21,290,769 km (0.072 R)
• M20: 22,875,459 km (0.093 R)
• M21: 24,537,043 km (0.094 R)
• M22: 26,371,262 km (0.092 R)
• M23: 27,034,280 km (0.106 R)
• M24: 35,418,792 km (0.057 R)
• M25: 35,648,125 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 14,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit