🌌 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: 799.2

Radius: 12.5

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.5 AU - 0.68 AU

Year: 302 Days

Day: 9.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,646,698 km

• M1: 155,432 km (0.115 R)
• M2: 575,952 km (0.107 R)
• M3: 1,080,396 km (0.05 R)
• M4: 1,753,736 km (0.113 R)
• M5: 2,187,420 km (0.116 R)
• M6: 2,846,399 km (0.062 R)
• M7: 3,298,633 km (0.056 R)
• M8: 3,846,760 km (0.06 R)
• M9: 4,455,174 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 11.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.59 AU - 0.98 AU

Year: 459 Days

Day: 5.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,646,698 km

• M1: 145,559 km (0.12 R)
• M2: 565,630 km (0.108 R)
• M3: 1,434,943 km (0.061 R)
• M4: 1,863,092 km (0.118 R)
• M5: 2,240,079 km (0.084 R)
• M6: 3,370,141 km (0.054 R)
• M7: 3,752,962 km (0.107 R)
• M8: 4,190,835 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.7

Radius: 14.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.12 AU - 1.72 AU

Year: 1128 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,646,698 km

• M1: 201,658 km (0.114 R)
• M2: 891,903 km (0.116 R)
• M3: 1,551,180 km (0.102 R)
• M4: 2,198,640 km (0.104 R)
• M5: 2,997,642 km (0.102 R)
• M6: 3,495,205 km (0.064 R)
• M7: 5,063,738 km (0.093 R)
• M8: 6,156,252 km (0.109 R)
• M9: 7,524,025 km (0.097 R)
• M10: 8,588,115 km (0.052 R)
• M11: 9,399,833 km (0.1 R)
• M12: 10,262,264 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.9

Radius: 14.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.9 AU - 2.6 AU

Year: 2251 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,646,698 km

• M1: 176,675 km (0.115 R)
• M2: 751,430 km (0.115 R)
• M3: 1,663,379 km (0.118 R)
• M4: 2,938,850 km (0.076 R)
• M5: 4,969,492 km (0.087 R)
• M6: 5,911,659 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 8.1

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.9 AU - 4.4 AU

Year: 5638 Days

Day: 7.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,646,698 km

• M1: 101,577 km (0.094 R)
• M2: 484,697 km (0.083 R)
• M3: 1,056,610 km (0.104 R)
• M4: 1,343,688 km (0.08 R)
• M5: 1,967,810 km (0.11 R)
• M6: 2,720,437 km (0.105 R)
• M7: 3,040,876 km (0.051 R)
• M8: 3,568,807 km (0.102 R)
• M9: 3,976,012 km (0.065 R)
• M10: 4,461,906 km (0.093 R)
• M11: 4,782,046 km (0.073 R)
• M12: 6,463,675 km (0.096 R)
• M13: 6,906,784 km (0.107 R)
• M14: 7,268,961 km (0.119 R)
• M15: 8,175,524 km (0.103 R)
• M16: 8,432,084 km (0.093 R)
• M17: 10,901,047 km (0.095 R)
• M18: 11,898,865 km (0.077 R)
• M19: 12,661,814 km (0.097 R)
• M20: 13,005,740 km (0.118 R)
• M21: 13,457,076 km (0.099 R)
• M22: 13,970,646 km (0.1 R)
• M23: 18,624,636 km (0.072 R)
• M24: 19,262,521 km (0.112 R)
• M25: 19,783,421 km (0.113 R)
• M26: 20,921,262 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.9

Radius: 3.7

Gravity: 43.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.84 AU - 6.32 AU

Year: 9997 Days

Day: 23.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,646,698 km

• M1: 46,076 km (0.116 R)
• M2: 179,368 km (0.038 R)
• M3: 368,759 km (0.088 R)
• M4: 645,365 km (0.108 R)
• M5: 829,071 km (0.111 R)
• M6: 1,365,380 km (0.097 R)
• M7: 1,640,490 km (0.074 R)
• M8: 1,886,130 km (0.103 R)
• M9: 2,155,855 km (0.117 R)
• M10: 4,964,106 km (0.092 R)
• M11: 5,378,043 km (0.033 R)
• M12: 6,059,462 km (0.081 R)
• M13: 6,758,383 km (0.077 R)
• M14: 6,873,424 km (0.071 R)
• M15: 7,028,856 km (0.077 R)
• M16: 7,226,475 km (0.049 R)
• M17: 8,011,415 km (0.052 R)
• M18: 10,144,082 km (0.065 R)
• M19: 10,295,026 km (0.095 R)
• M20: 12,801,688 km (0.109 R)
• M21: 14,384,284 km (0.025 R)
• M22: 14,767,255 km (0.112 R)
• M23: 15,486,820 km (0.12 R)
• M24: 16,092,692 km (0.091 R)
• M25: 17,066,424 km (0.096 R)
• M26: 17,495,471 km (0.072 R)
• M27: 17,931,698 km (0.093 R)
• M28: 18,375,106 km (0.101 R)
• M29: 22,020,507 km (0.056 R)
• M30: 26,498,720 km (0.111 R)
• M31: 30,177,930 km (0.094 R)
• M32: 31,121,593 km (0.119 R)
• M33: 34,070,616 km (0.077 R)
• M34: 35,786,803 km (0.108 R)
• M35: 44,024,709 km (0.116 R)
• M36: 45,646,649 km (0.06 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 18,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit