🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 12.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.78 AU - 1.18 AU

Year: 636 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,050,067 km

• M1: 151,692 km (0.109 R)
• M2: 624,870 km (0.096 R)
• M3: 1,004,400 km (0.051 R)
• M4: 2,191,160 km (0.113 R)
• M5: 2,740,783 km (0.076 R)
• M6: 3,338,576 km (0.1 R)
• M7: 3,961,352 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.6

Radius: 12.5

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.77 AU - 1.23 AU

Year: 656 Days

Day: 11.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,050,067 km

• M1: 155,432 km (0.097 R)
• M2: 670,797 km (0.079 R)
• M3: 1,116,599 km (0.026 R)
• M4: 1,526,796 km (0.09 R)
• M5: 1,994,738 km (0.079 R)
• M6: 2,474,947 km (0.044 R)
• M7: 2,937,653 km (0.07 R)
• M8: 3,341,418 km (0.049 R)
• M9: 4,039,591 km (0.096 R)
• M10: 4,447,395 km (0.107 R)
• M11: 5,364,280 km (0.04 R)
• M12: 5,820,853 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 10.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.25 AU - 3.63 AU

Year: 3307 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,050,067 km

• M1: 131,796 km (0.059 R)
• M2: 480,060 km (0.101 R)
• M3: 922,420 km (0.03 R)
• M4: 1,324,091 km (0.083 R)
• M5: 2,138,801 km (0.087 R)
• M6: 2,616,018 km (0.1 R)
• M7: 3,423,248 km (0.063 R)
• M8: 3,786,173 km (0.116 R)
• M9: 4,251,721 km (0.036 R)
• M10: 5,054,314 km (0.108 R)
• M11: 7,573,841 km (0.109 R)
• M12: 8,284,880 km (0.073 R)
• M13: 8,751,625 km (0.067 R)
• M14: 9,874,507 km (0.066 R)
• M15: 10,399,446 km (0.042 R)
• M16: 11,128,286 km (0.107 R)
• M17: 11,581,718 km (0.102 R)
• M18: 12,047,416 km (0.098 R)
• M19: 13,308,526 km (0.101 R)
• M20: 13,776,618 km (0.105 R)
• M21: 14,566,045 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.3

Radius: 9.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.89 AU - 4.11 AU

Year: 4295 Days

Day: 7.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,050,067 km

• M1: 115,639 km (0.066 R)
• M2: 406,009 km (0.096 R)
• M3: 879,336 km (0.034 R)
• M4: 1,955,244 km (0.089 R)
• M5: 2,321,310 km (0.12 R)
• M6: 2,637,410 km (0.082 R)
• M7: 3,228,920 km (0.061 R)
• M8: 3,683,848 km (0.095 R)
• M9: 3,989,626 km (0.036 R)
• M10: 4,401,169 km (0.111 R)
• M11: 4,745,992 km (0.084 R)
• M12: 5,158,583 km (0.082 R)
• M13: 7,147,038 km (0.077 R)
• M14: 9,335,506 km (0.036 R)
• M15: 9,752,285 km (0.108 R)
• M16: 10,541,713 km (0.113 R)
• M17: 11,631,085 km (0.094 R)
• M18: 12,793,610 km (0.086 R)
• M19: 14,579,360 km (0.098 R)
• M20: 15,453,161 km (0.108 R)
• M21: 17,474,976 km (0.066 R)
• M22: 19,482,879 km (0.11 R)
• M23: 20,352,790 km (0.099 R)
• M24: 20,797,246 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.5

Radius: 8.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.76 AU - 4.88 AU

Year: 6942 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,050,067 km

• M1: 110,702 km (0.118 R)
• M2: 475,123 km (0.119 R)
• M3: 971,489 km (0.091 R)
• M4: 1,749,397 km (0.084 R)
• M5: 2,294,981 km (0.104 R)
• M6: 2,784,465 km (0.071 R)
• M7: 3,083,362 km (0.119 R)
• M8: 3,746,379 km (0.104 R)
• M9: 5,939,335 km (0.057 R)
• M10: 8,177,020 km (0.093 R)
• M11: 10,296,522 km (0.079 R)
• M12: 12,556,048 km (0.052 R)
• M13: 12,911,194 km (0.077 R)
• M14: 14,957,094 km (0.048 R)
• M15: 15,645,693 km (0.119 R)
• M16: 15,938,756 km (0.108 R)
• M17: 16,901,418 km (0.052 R)
• M18: 17,711,789 km (0.076 R)
• M19: 19,748,265 km (0.088 R)
• M20: 21,790,426 km (0.093 R)
• M21: 23,354,322 km (0.082 R)
• M22: 24,991,671 km (0.098 R)
• M23: 26,372,160 km (0.063 R)
• M24: 29,373,243 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.3

Radius: 6.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.75 AU - 11.79 AU

Year: 21591 Days

Day: 16.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,050,067 km

• M1: 80,783 km (0.096 R)
• M2: 304,132 km (0.098 R)
• M3: 572,810 km (0.097 R)
• M4: 1,373,608 km (0.105 R)
• M5: 2,293,635 km (0.047 R)
• M6: 2,782,371 km (0.104 R)
• M7: 3,073,039 km (0.114 R)
• M8: 4,668,650 km (0.12 R)
• M9: 5,110,413 km (0.052 R)
• M10: 9,108,416 km (0.037 R)
• M11: 11,023,269 km (0.096 R)
• M12: 11,332,039 km (0.102 R)
• M13: 12,680,813 km (0.103 R)
• M14: 13,134,095 km (0.1 R)
• M15: 14,314,721 km (0.107 R)
• M16: 14,993,447 km (0.104 R)
• M17: 18,784,705 km (0.034 R)
• M18: 20,203,641 km (0.085 R)
• M19: 23,932,368 km (0.099 R)
• M20: 26,504,853 km (0.056 R)
• M21: 30,347,424 km (0.098 R)
• M22: 31,983,127 km (0.116 R)
• M23: 35,989,059 km (0.074 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: 368 - 14,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit