🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.3

Radius: 10.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.62 AU - 0.72 AU

Year: 379 Days

Day: 13.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,156,341 km

• M1: 136,433 km (0.116 R)
• M2: 477,516 km (0.084 R)
• M3: 1,039,406 km (0.108 R)
• M4: 1,545,645 km (0.107 R)
• M5: 1,888,673 km (0.094 R)
• M6: 2,573,831 km (0.079 R)
• M7: 3,221,291 km (0.053 R)
• M8: 3,688,784 km (0.098 R)
• M9: 4,044,977 km (0.089 R)

Planet 2 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.5

Radius: 4.2

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.09 AU - 8.42 AU

Year: 16357 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,156,341 km

• M1: 53,706 km (0.079 R)
• M2: 224,995 km (0.076 R)
• M3: 432,188 km (0.108 R)
• M4: 670,049 km (0.079 R)
• M5: 980,464 km (0.109 R)
• M6: 1,145,172 km (0.115 R)
• M7: 1,800,859 km (0.108 R)
• M8: 2,377,709 km (0.031 R)
• M9: 2,534,487 km (0.068 R)
• M10: 2,979,092 km (0.112 R)
• M11: 3,208,276 km (0.087 R)
• M12: 4,301,388 km (0.07 R)
• M13: 7,312,494 km (0.049 R)
• M14: 8,206,640 km (0.053 R)
• M15: 8,795,308 km (0.053 R)
• M16: 16,591,301 km (0.086 R)
• M17: 18,049,881 km (0.083 R)
• M18: 19,198,344 km (0.103 R)
• M19: 19,990,464 km (0.113 R)
• M20: 21,555,258 km (0.093 R)
• M21: 25,112,546 km (0.07 R)
• M22: 28,023,720 km (0.073 R)
• M23: 31,368,579 km (0.097 R)
• M24: 35,911,567 km (0.073 R)
• M25: 36,388,635 km (0.072 R)
• M26: 39,719,880 km (0.08 R)
• M27: 41,394,030 km (0.111 R)
• M28: 46,274,212 km (0.094 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.8

Radius: 4.2

Gravity: 45.51 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.69 AU - 9.23 AU

Year: 16985 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 81,156,341 km

• M1: 52,210 km (0.12 R)
• M2: 253,718 km (0.053 R)
• M3: 1,202,617 km (0.109 R)
• M4: 1,482,964 km (0.062 R)
• M5: 1,698,983 km (0.118 R)
• M6: 2,132,368 km (0.059 R)
• M7: 2,299,170 km (0.089 R)
• M8: 2,779,229 km (0.058 R)
• M9: 4,382,619 km (0.079 R)
• M10: 4,687,799 km (0.084 R)
• M11: 4,934,785 km (0.091 R)
• M12: 5,531,980 km (0.055 R)
• M13: 6,387,231 km (0.038 R)
• M14: 8,666,354 km (0.08 R)
• M15: 9,421,225 km (0.083 R)
• M16: 9,929,110 km (0.069 R)
• M17: 10,219,031 km (0.034 R)
• M18: 11,435,261 km (0.109 R)
• M19: 15,271,998 km (0.107 R)
• M20: 16,530,864 km (0.07 R)
• M21: 18,028,039 km (0.089 R)
• M22: 22,656,747 km (0.04 R)
• M23: 23,260,375 km (0.107 R)
• M24: 25,349,958 km (0.086 R)
• M25: 28,597,279 km (0.12 R)
• M26: 29,302,034 km (0.103 R)
• M27: 30,259,610 km (0.086 R)
• M28: 31,485,714 km (0.079 R)
• M29: 33,000,393 km (0.102 R)
• M30: 35,496,732 km (0.102 R)
• M31: 37,275,451 km (0.091 R)
• M32: 38,399,230 km (0.117 R)
• M33: 38,826,332 km (0.12 R)
• M34: 40,861,462 km (0.057 R)
• M35: 45,618,973 km (0.106 R)
• M36: 49,378,068 km (0.093 R)
• M37: 50,561,836 km (0.083 R)
• M38: 52,285,503 km (0.049 R)
• M39: 52,810,143 km (0.073 R)
• M40: 53,338,373 km (0.103 R)
• M41: 53,692,321 km (0.109 R)
• M42: 54,405,155 km (0.1 R)
• M43: 58,626,807 km (0.032 R)
• M44: 59,382,576 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.3

Radius: 6.1

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.75 AU - 11.43 AU

Year: 22123 Days

Day: 21 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,156,341 km

• M1: 75,846 km (0.079 R)
• M2: 293,661 km (0.099 R)
• M3: 572,810 km (0.089 R)
• M4: 999,463 km (0.118 R)
• M5: 2,634,269 km (0.058 R)
• M6: 2,833,533 km (0.11 R)
• M7: 3,376,424 km (0.086 R)
• M8: 4,455,025 km (0.119 R)
• M9: 4,922,518 km (0.105 R)
• M10: 5,149,159 km (0.106 R)
• M11: 9,325,782 km (0.105 R)
• M12: 11,542,373 km (0.104 R)
• M13: 11,942,996 km (0.113 R)
• M14: 12,353,044 km (0.101 R)
• M15: 12,772,367 km (0.112 R)
• M16: 13,273,370 km (0.073 R)
• M17: 20,157,266 km (0.104 R)
• M18: 21,630,955 km (0.067 R)
• M19: 24,352,888 km (0.061 R)
• M20: 24,571,151 km (0.119 R)
• M21: 26,022,699 km (0.117 R)
• M22: 30,973,790 km (0.078 R)
• M23: 31,877,511 km (0.081 R)
• M24: 34,008,832 km (0.112 R)
• M25: 36,804,068 km (0.025 R)
• M26: 43,005,947 km (0.096 R)
• M27: 48,132,517 km (0.064 R)
• M28: 50,398,475 km (0.061 R)
• M29: 62,392,335 km (0.081 R)
• M30: 68,500,416 km (0.084 R)
• M31: 74,534,446 km (0.061 R)
• M32: 78,748,170 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 14,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit