🌌 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 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.64 AU - 0.66 AU

Year: 344 Days

Day: 22.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439

Radius: 9.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.63 AU - 0.93 AU

Year: 452 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,220,660 km

• M1: 127,607 km (0.11 R)
• M2: 441,463 km (0.103 R)
• M3: 635,193 km (0.088 R)
• M4: 834,607 km (0.03 R)
• M5: 1,431,801 km (0.082 R)
• M6: 1,642,435 km (0.098 R)
• M7: 1,821,055 km (0.034 R)
• M8: 3,091,889 km (0.118 R)
• M9: 3,503,881 km (0.088 R)
• M10: 3,978,256 km (0.083 R)
• M11: 4,167,497 km (0.088 R)
• M12: 4,379,926 km (0.093 R)
• M13: 5,141,080 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.5

Radius: 14.7

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.11 AU - 1.75 AU

Year: 1122 Days

Day: 7.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,220,660 km

• M1: 189,690 km (0.114 R)
• M2: 468,241 km (0.103 R)
• M3: 815,608 km (0.03 R)
• M4: 1,339,799 km (0.092 R)
• M5: 1,684,023 km (0.098 R)
• M6: 2,329,239 km (0.08 R)
• M7: 2,751,853 km (0.113 R)
• M8: 3,312,246 km (0.057 R)
• M9: 3,666,195 km (0.105 R)
• M10: 4,391,894 km (0.11 R)
• M11: 4,770,227 km (0.089 R)
• M12: 5,336,006 km (0.068 R)
• M13: 5,798,713 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 12.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.93 AU - 2.21 AU

Year: 1954 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,220,660 km

• M1: 154,235 km (0.096 R)
• M2: 425,606 km (0.092 R)
• M3: 658,231 km (0.106 R)
• M4: 907,909 km (0.093 R)
• M5: 1,458,579 km (0.111 R)
• M6: 1,885,382 km (0.112 R)
• M7: 2,203,427 km (0.101 R)
• M8: 3,499,094 km (0.11 R)
• M9: 4,179,914 km (0.104 R)
• M10: 6,044,502 km (0.09 R)
• M11: 6,386,333 km (0.063 R)
• M12: 7,345,405 km (0.102 R)
• M13: 7,765,177 km (0.113 R)
• M14: 8,753,420 km (0.078 R)
• M15: 9,142,375 km (0.08 R)
• M16: 10,459,883 km (0.113 R)
• M17: 11,139,656 km (0.117 R)
• M18: 11,867,449 km (0.115 R)
• M19: 12,267,025 km (0.116 R)
• M20: 13,562,244 km (0.119 R)
• M21: 14,306,942 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.6

Radius: 6.2

Gravity: 16.33 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.5 AU - 7.48 AU

Year: 12123 Days

Day: 19.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 31,220,660 km

• M1: 86,019 km (0.07 R)
• M2: 214,523 km (0.102 R)
• M3: 467,942 km (0.088 R)
• M4: 1,250,489 km (0.052 R)
• M5: 1,640,789 km (0.073 R)
• M6: 1,885,980 km (0.072 R)
• M7: 2,086,890 km (0.044 R)
• M8: 2,341,805 km (0.052 R)
• M9: 2,824,707 km (0.091 R)
• M10: 4,645,612 km (0.088 R)
• M11: 4,993,876 km (0.1 R)
• M12: 5,321,645 km (0.112 R)
• M13: 6,187,069 km (0.117 R)
• M14: 6,404,584 km (0.044 R)
• M15: 6,851,134 km (0.101 R)
• M16: 7,709,227 km (0.027 R)
• M17: 8,618,633 km (0.096 R)
• M18: 8,918,576 km (0.092 R)
• M19: 9,489,591 km (0.118 R)
• M20: 10,216,936 km (0.106 R)
• M21: 12,407,498 km (0.107 R)
• M22: 13,716,928 km (0.12 R)
• M23: 13,986,803 km (0.106 R)
• M24: 16,534,005 km (0.118 R)
• M25: 16,652,188 km (0.033 R)
• M26: 17,309,820 km (0.072 R)
• M27: 18,041,802 km (0.11 R)
• M28: 19,423,189 km (0.044 R)
• M29: 21,456,523 km (0.116 R)
• M30: 21,929,701 km (0.105 R)
• M31: 22,134,052 km (0.07 R)
• M32: 24,158,859 km (0.095 R)
• M33: 24,373,383 km (0.106 R)
• M34: 27,782,120 km (0.119 R)
• M35: 29,333,898 km (0.07 R)
• M36: 30,847,380 km (0.1 R)
• M37: 31,170,811 km (0.078 R)
• M38: 34,413,195 km (0.116 R)
• M39: 34,583,886 km (0.075 R)
• M40: 38,715,031 km (0.075 R)
• M41: 42,889,111 km (0.038 R)
• M42: 46,184,902 km (0.1 R)
• M43: 47,577,508 km (0.098 R)
• M44: 47,778,269 km (0.063 R)
• M45: 49,500,739 km (0.103 R)

Asteroid Belt

Center: 7.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.9

Radius: 7.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.37 AU - 10.53 AU

Year: 16114 Days

Day: 20.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,220,660 km

• M1: 109,506 km (0.114 R)
• M2: 471,084 km (0.12 R)
• M3: 670,198 km (0.028 R)
• M4: 1,069,625 km (0.104 R)
• M5: 1,266,047 km (0.071 R)
• M6: 4,877,489 km (0.098 R)
• M7: 6,680,742 km (0.038 R)
• M8: 8,001,093 km (0.037 R)
• M9: 10,314,175 km (0.043 R)
• M10: 13,571,070 km (0.06 R)
• M11: 18,072,919 km (0.103 R)
• M12: 23,653,967 km (0.025 R)
• M13: 23,925,487 km (0.106 R)
• M14: 25,027,275 km (0.06 R)
• M15: 26,040,352 km (0.092 R)
• M16: 26,382,482 km (0.062 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 18,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit