🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.7

Radius: 10.9

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.62 AU - 0.7 AU

Year: 358 Days

Day: 11.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 127.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,670,864 km

• M1: 135,536 km (0.119 R)
• M2: 550,371 km (0.084 R)
• M3: 1,276,070 km (0.03 R)
• M4: 2,061,309 km (0.096 R)
• M5: 2,610,782 km (0.087 R)
• M6: 2,958,148 km (0.089 R)
• M7: 3,513,605 km (0.105 R)
• M8: 3,939,062 km (0.111 R)
• M9: 4,497,810 km (0.076 R)
• M10: 5,410,357 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.7

Radius: 8.4

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.13 AU - 2.23 AU

Year: 2146 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,670,864 km

• M1: 104,419 km (0.045 R)
• M2: 399,426 km (0.082 R)
• M3: 765,343 km (0.118 R)
• M4: 1,065,137 km (0.084 R)
• M5: 1,410,110 km (0.034 R)
• M6: 3,331,395 km (0.109 R)
• M7: 3,834,941 km (0.057 R)
• M8: 4,407,153 km (0.085 R)
• M9: 5,285,143 km (0.085 R)
• M10: 6,275,182 km (0.087 R)
• M11: 6,941,192 km (0.082 R)
• M12: 7,304,565 km (0.109 R)
• M13: 7,817,985 km (0.047 R)
• M14: 8,297,595 km (0.105 R)
• M15: 9,952,148 km (0.102 R)
• M16: 10,414,705 km (0.105 R)
• M17: 12,752,620 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730

Radius: 11

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.98 AU - 3.26 AU

Year: 3675 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,670,864 km

• M1: 137,032 km (0.095 R)
• M2: 565,779 km (0.101 R)
• M3: 1,101,489 km (0.098 R)
• M4: 3,130,335 km (0.046 R)
• M5: 3,509,716 km (0.101 R)
• M6: 4,293,309 km (0.103 R)
• M7: 5,399,436 km (0.105 R)
• M8: 6,624,792 km (0.115 R)
• M9: 7,125,197 km (0.049 R)
• M10: 8,669,346 km (0.114 R)
• M11: 9,736,278 km (0.115 R)
• M12: 10,550,539 km (0.065 R)
• M13: 11,017,434 km (0.089 R)
• M14: 11,365,549 km (0.069 R)
• M15: 11,992,663 km (0.08 R)
• M16: 13,512,428 km (0.106 R)
• M17: 13,911,704 km (0.09 R)
• M18: 14,629,325 km (0.06 R)
• M19: 15,425,485 km (0.076 R)
• M20: 15,806,810 km (0.084 R)
• M21: 17,162,167 km (0.12 R)
• M22: 18,777,824 km (0.056 R)
• M23: 23,221,479 km (0.082 R)
• M24: 25,119,876 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218

Radius: 15

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.35 AU - 5.35 AU

Year: 6050 Days

Day: 6.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,670,864 km

• M1: 186,698 km (0.051 R)
• M2: 1,021,155 km (0.03 R)
• M3: 2,058,766 km (0.102 R)
• M4: 5,202,715 km (0.117 R)
• M5: 6,652,917 km (0.111 R)
• M6: 7,683,646 km (0.093 R)
• M7: 8,533,511 km (0.032 R)
• M8: 9,258,014 km (0.094 R)
• M9: 10,340,803 km (0.072 R)
• M10: 12,574,150 km (0.115 R)
• M11: 14,148,667 km (0.118 R)
• M12: 20,540,984 km (0.079 R)
• M13: 22,651,810 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.6

Radius: 5.1

Gravity: 31.13 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.64 AU - 8.12 AU

Year: 14751 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,670,864 km

• M1: 63,429 km (0.113 R)
• M2: 232,176 km (0.074 R)
• M3: 397,332 km (0.05 R)
• M4: 653,892 km (0.113 R)
• M5: 959,072 km (0.087 R)
• M6: 1,354,758 km (0.105 R)
• M7: 1,782,159 km (0.09 R)
• M8: 2,781,024 km (0.094 R)
• M9: 3,149,933 km (0.053 R)
• M10: 4,015,356 km (0.075 R)
• M11: 5,805,893 km (0.087 R)
• M12: 7,594,635 km (0.085 R)
• M13: 8,563,132 km (0.048 R)
• M14: 9,077,150 km (0.082 R)
• M15: 9,886,325 km (0.116 R)
• M16: 10,978,838 km (0.076 R)
• M17: 11,959,452 km (0.085 R)
• M18: 13,813,718 km (0.111 R)
• M19: 14,305,596 km (0.111 R)
• M20: 15,398,857 km (0.111 R)
• M21: 16,390,392 km (0.117 R)
• M22: 16,862,074 km (0.053 R)
• M23: 19,884,250 km (0.085 R)
• M24: 23,347,141 km (0.093 R)
• M25: 24,858,678 km (0.049 R)
• M26: 29,782,542 km (0.071 R)
• M27: 32,533,498 km (0.118 R)
• M28: 40,212,506 km (0.053 R)
• M29: 50,984,750 km (0.034 R)
• M30: 53,005,667 km (0.076 R)
• M31: 57,027,157 km (0.096 R)
• M32: 60,685,423 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 13,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit