🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.4

Radius: 10.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.84 AU - 0.88 AU

Year: 561 Days

Day: 7.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,651,612 km

• M1: 130,599 km (0.059 R)
• M2: 715,826 km (0.062 R)
• M3: 1,121,386 km (0.102 R)
• M4: 1,571,526 km (0.114 R)
• M5: 2,094,370 km (0.117 R)
• M6: 2,584,602 km (0.09 R)
• M7: 3,089,346 km (0.097 R)
• M8: 3,797,093 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.1

Radius: 8.9

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.18 AU - 1.38 AU

Year: 1018 Days

Day: 8.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 165.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,651,612 km

• M1: 110,852 km (0.096 R)
• M2: 711,487 km (0.088 R)
• M3: 1,124,378 km (0.113 R)
• M4: 1,419,385 km (0.09 R)
• M5: 1,711,100 km (0.042 R)
• M6: 2,138,352 km (0.12 R)
• M7: 2,610,782 km (0.079 R)
• M8: 3,026,664 km (0.102 R)
• M9: 3,623,709 km (0.094 R)
• M10: 4,159,569 km (0.113 R)
• M11: 4,491,526 km (0.062 R)
• M12: 5,430,104 km (0.111 R)
• M13: 5,913,454 km (0.081 R)
• M14: 7,511,608 km (0.104 R)
• M15: 7,978,952 km (0.093 R)
• M16: 8,410,542 km (0.056 R)
• M17: 8,857,540 km (0.033 R)
• M18: 9,203,111 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.3

Radius: 11.4

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.58 AU - 2.08 AU

Year: 1740 Days

Day: 6.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,651,612 km

• M1: 142,118 km (0.098 R)
• M2: 2,553,336 km (0.104 R)
• M3: 2,963,833 km (0.12 R)
• M4: 3,710,326 km (0.08 R)
• M5: 6,292,535 km (0.097 R)
• M6: 6,921,295 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.7

Radius: 12.2

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.94 AU - 1.94 AU

Year: 1899 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,651,612 km

• M1: 151,692 km (0.044 R)
• M2: 632,051 km (0.107 R)
• M3: 1,495,231 km (0.07 R)
• M4: 1,936,993 km (0.045 R)
• M5: 2,536,133 km (0.074 R)
• M6: 4,108,406 km (0.07 R)
• M7: 4,933,588 km (0.113 R)
• M8: 5,972,246 km (0.069 R)
• M9: 6,726,668 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 9.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.93 AU - 2.71 AU

Year: 2484 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,651,612 km

• M1: 115,789 km (0.079 R)
• M2: 468,241 km (0.069 R)
• M3: 765,792 km (0.041 R)
• M4: 1,069,625 km (0.05 R)
• M5: 1,668,914 km (0.086 R)
• M6: 2,138,352 km (0.058 R)
• M7: 2,616,317 km (0.061 R)
• M8: 3,222,937 km (0.119 R)
• M9: 3,886,702 km (0.033 R)
• M10: 5,233,233 km (0.059 R)
• M11: 5,527,641 km (0.029 R)
• M12: 5,855,410 km (0.025 R)
• M13: 7,118,764 km (0.105 R)
• M14: 7,828,157 km (0.081 R)
• M15: 8,817,149 km (0.106 R)
• M16: 9,144,469 km (0.119 R)
• M17: 9,480,017 km (0.099 R)
• M18: 10,569,239 km (0.052 R)
• M19: 11,775,746 km (0.1 R)
• M20: 12,393,735 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.5

Radius: 10.6

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.75 AU - 4.35 AU

Year: 4702 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,651,612 km

• M1: 131,796 km (0.062 R)
• M2: 768,783 km (0.066 R)
• M3: 1,105,528 km (0.057 R)
• M4: 1,544,000 km (0.105 R)
• M5: 1,877,154 km (0.049 R)
• M6: 2,304,555 km (0.094 R)
• M7: 2,744,523 km (0.084 R)
• M8: 3,182,096 km (0.063 R)
• M9: 3,708,531 km (0.032 R)
• M10: 4,339,834 km (0.078 R)
• M11: 5,067,478 km (0.092 R)
• M12: 5,816,515 km (0.078 R)
• M13: 6,324,848 km (0.094 R)
• M14: 6,862,503 km (0.072 R)
• M15: 7,603,461 km (0.063 R)
• M16: 8,737,114 km (0.085 R)
• M17: 9,445,161 km (0.07 R)
• M18: 9,813,321 km (0.093 R)
• M19: 12,616,037 km (0.086 R)
• M20: 19,547,056 km (0.092 R)
• M21: 20,552,354 km (0.1 R)
• M22: 24,611,094 km (0.049 R)
• M23: 26,021,502 km (0.102 R)
• M24: 27,155,155 km (0.047 R)
• M25: 27,485,018 km (0.114 R)
• M26: 28,068,749 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.7

Radius: 14.8

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.83 AU - 4.87 AU

Year: 6377 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,651,612 km

• M1: 186,249 km (0.05 R)
• M2: 842,236 km (0.12 R)
• M3: 2,336,270 km (0.077 R)
• M4: 4,075,196 km (0.06 R)
• M5: 4,539,099 km (0.082 R)
• M6: 6,506,759 km (0.083 R)
• M7: 7,478,697 km (0.111 R)
• M8: 12,445,645 km (0.074 R)
• M9: 14,710,557 km (0.106 R)
• M10: 15,355,025 km (0.091 R)
• M11: 17,238,462 km (0.045 R)
• M12: 19,803,916 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 19,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit