🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.2

Radius: 13.9

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,690,840 km

• M1: 172,935 km (0.074 R)
• M2: 621,430 km (0.089 R)
• M3: 1,148,164 km (0.067 R)
• M4: 1,761,814 km (0.107 R)
• M5: 2,572,036 km (0.1 R)
• M6: 3,038,333 km (0.081 R)
• M7: 3,821,029 km (0.1 R)
• M8: 4,582,033 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 14.3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.2 AU - 1.82 AU

Year: 1281 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,690,840 km

• M1: 177,872 km (0.064 R)
• M2: 634,295 km (0.117 R)
• M3: 1,580,352 km (0.106 R)
• M4: 2,287,501 km (0.067 R)
• M5: 3,083,063 km (0.07 R)
• M6: 3,653,629 km (0.119 R)
• M7: 4,625,267 km (0.059 R)
• M8: 5,376,847 km (0.114 R)
• M9: 5,862,142 km (0.116 R)
• M10: 6,656,208 km (0.06 R)
• M11: 7,170,974 km (0.088 R)
• M12: 8,433,730 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 9.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.36 AU - 2.02 AU

Year: 1516 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,690,840 km

• M1: 123,568 km (0.075 R)
• M2: 432,936 km (0.107 R)
• M3: 923,617 km (0.108 R)
• M4: 1,248,245 km (0.105 R)
• M5: 2,202,081 km (0.05 R)
• M6: 2,659,401 km (0.117 R)
• M7: 3,043,269 km (0.098 R)
• M8: 3,891,489 km (0.057 R)
• M9: 4,815,855 km (0.116 R)
• M10: 5,468,999 km (0.092 R)
• M11: 5,880,244 km (0.115 R)
• M12: 6,334,123 km (0.114 R)
• M13: 7,142,401 km (0.111 R)
• M14: 8,414,431 km (0.08 R)
• M15: 8,824,030 km (0.107 R)
• M16: 9,653,551 km (0.041 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.3

Radius: 3.5

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.38 AU - 6.58 AU

Year: 11386 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,690,840 km

• M1: 43,533 km (0.064 R)
• M2: 317,746 km (0.054 R)
• M3: 467,194 km (0.119 R)
• M4: 1,443,470 km (0.095 R)
• M5: 1,655,600 km (0.116 R)
• M6: 2,095,717 km (0.105 R)
• M7: 3,411,430 km (0.079 R)
• M8: 6,546,702 km (0.082 R)
• M9: 6,883,596 km (0.116 R)
• M10: 7,091,238 km (0.1 R)
• M11: 9,658,487 km (0.05 R)
• M12: 10,498,629 km (0.049 R)
• M13: 16,584,121 km (0.086 R)
• M14: 17,082,730 km (0.098 R)
• M15: 17,655,690 km (0.087 R)
• M16: 18,705,568 km (0.11 R)
• M17: 19,382,499 km (0.094 R)
• M18: 20,499,247 km (0.071 R)
• M19: 22,178,782 km (0.108 R)
• M20: 23,555,382 km (0.103 R)
• M21: 24,906,998 km (0.097 R)
• M22: 26,141,779 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.8

Radius: 3.8

Gravity: 61.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.06 AU - 6.94 AU

Year: 11439 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,690,840 km

• M1: 47,273 km (0.066 R)
• M2: 169,644 km (0.107 R)
• M3: 408,402 km (0.051 R)
• M4: 896,241 km (0.061 R)
• M5: 1,049,579 km (0.071 R)
• M6: 1,438,084 km (0.117 R)
• M7: 1,898,397 km (0.119 R)
• M8: 2,115,314 km (0.073 R)
• M9: 2,752,451 km (0.115 R)
• M10: 3,404,100 km (0.12 R)
• M11: 3,920,362 km (0.089 R)
• M12: 4,394,138 km (0.096 R)
• M13: 6,314,676 km (0.08 R)
• M14: 7,218,546 km (0.058 R)
• M15: 7,973,567 km (0.116 R)
• M16: 8,112,094 km (0.09 R)
• M17: 9,329,671 km (0.105 R)
• M18: 9,483,458 km (0.112 R)
• M19: 11,938,957 km (0.039 R)
• M20: 12,120,419 km (0.099 R)
• M21: 19,440,393 km (0.114 R)
• M22: 21,959,471 km (0.102 R)
• M23: 25,578,244 km (0.036 R)
• M24: 25,779,004 km (0.116 R)
• M25: 27,318,366 km (0.112 R)
• M26: 27,950,866 km (0.085 R)
• M27: 28,270,856 km (0.041 R)
• M28: 29,907,158 km (0.072 R)
• M29: 32,654,672 km (0.088 R)
• M30: 34,945,614 km (0.09 R)
• M31: 35,565,847 km (0.093 R)
• M32: 38,382,176 km (0.067 R)
• M33: 38,645,319 km (0.098 R)
• M34: 46,811,119 km (0.085 R)
• M35: 51,613,061 km (0.102 R)
• M36: 53,066,254 km (0.11 R)
• M37: 56,562,805 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399

Radius: 3.3

Gravity: 36.64 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.58 AU - 8.58 AU

Year: 13004 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,690,840 km

• M1: 48,171 km (0.095 R)
• M2: 211,681 km (0.119 R)
• M3: 488,587 km (0.094 R)
• M4: 803,640 km (0.102 R)
• M5: 1,251,985 km (0.067 R)
• M6: 2,137,006 km (0.101 R)
• M7: 2,358,111 km (0.074 R)
• M8: 3,045,065 km (0.073 R)
• M9: 3,422,201 km (0.093 R)
• M10: 3,724,837 km (0.114 R)
• M11: 3,963,296 km (0.072 R)
• M12: 4,499,904 km (0.118 R)
• M13: 6,141,292 km (0.092 R)
• M14: 6,741,030 km (0.093 R)
• M15: 7,175,163 km (0.075 R)
• M16: 8,186,893 km (0.114 R)
• M17: 9,052,466 km (0.077 R)
• M18: 9,927,165 km (0.097 R)
• M19: 12,886,809 km (0.03 R)
• M20: 13,554,165 km (0.104 R)
• M21: 14,826,196 km (0.108 R)
• M22: 15,222,780 km (0.12 R)
• M23: 19,428,275 km (0.111 R)
• M24: 25,270,372 km (0.114 R)
• M25: 26,217,625 km (0.059 R)
• M26: 26,602,989 km (0.076 R)
• M27: 27,483,971 km (0.093 R)
• M28: 30,454,835 km (0.036 R)
• M29: 32,957,907 km (0.096 R)
• M30: 34,546,636 km (0.115 R)
• M31: 36,783,573 km (0.095 R)
• M32: 38,244,995 km (0.106 R)
• M33: 42,860,688 km (0.101 R)
• M34: 44,341,706 km (0.114 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: 359 - 19,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit