🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.92 AU - 1.48 AU

Year: 498 Days

Day: 38.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 9.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.28 AU - 5.78 AU

Year: 4925 Days

Day: 13.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 102,846,890 km

• M1: 120,725 km (0.114 R)
• M2: 435,479 km (0.057 R)
• M3: 742,903 km (0.055 R)
• M4: 1,285,495 km (0.115 R)
• M5: 1,754,783 km (0.095 R)
• M6: 2,393,117 km (0.12 R)
• M7: 2,938,701 km (0.092 R)
• M8: 3,377,471 km (0.077 R)
• M9: 4,170,639 km (0.113 R)
• M10: 4,773,070 km (0.059 R)
• M11: 5,638,793 km (0.099 R)
• M12: 6,547,899 km (0.084 R)
• M13: 8,515,560 km (0.113 R)
• M14: 10,930,368 km (0.112 R)
• M15: 12,562,332 km (0.114 R)
• M16: 13,295,810 km (0.064 R)
• M17: 14,898,602 km (0.108 R)
• M18: 17,398,382 km (0.117 R)
• M19: 20,726,635 km (0.029 R)
• M20: 21,620,632 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 9.7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.68 AU - 10.18 AU

Year: 10968 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 102,846,890 km

• M1: 121,025 km (0.067 R)
• M2: 503,397 km (0.088 R)
• M3: 980,464 km (0.107 R)
• M4: 1,612,216 km (0.08 R)
• M5: 1,919,939 km (0.063 R)
• M6: 3,229,818 km (0.053 R)
• M7: 3,571,350 km (0.067 R)
• M8: 3,910,189 km (0.095 R)
• M9: 5,090,068 km (0.049 R)
• M10: 5,554,569 km (0.085 R)
• M11: 7,830,701 km (0.079 R)
• M12: 10,614,119 km (0.092 R)
• M13: 12,227,382 km (0.093 R)
• M14: 13,061,988 km (0.11 R)
• M15: 14,190,405 km (0.091 R)
• M16: 14,778,325 km (0.04 R)
• M17: 16,856,239 km (0.07 R)
• M18: 18,498,674 km (0.061 R)
• M19: 20,082,168 km (0.12 R)
• M20: 21,926,261 km (0.055 R)
• M21: 22,360,693 km (0.095 R)
• M22: 24,712,521 km (0.042 R)
• M23: 29,584,774 km (0.096 R)
• M24: 30,329,323 km (0.054 R)
• M25: 36,377,565 km (0.06 R)
• M26: 46,384,166 km (0.112 R)
• M27: 47,244,354 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 11

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.27 AU - 11.51 AU

Year: 11780 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 102,846,890 km

• M1: 146,307 km (0.107 R)
• M2: 563,086 km (0.027 R)
• M3: 1,124,228 km (0.08 R)
• M4: 1,866,383 km (0.059 R)
• M5: 2,317,869 km (0.095 R)
• M6: 2,687,526 km (0.12 R)
• M7: 3,072,890 km (0.099 R)
• M8: 4,216,715 km (0.067 R)
• M9: 5,101,736 km (0.109 R)
• M10: 5,446,410 km (0.039 R)
• M11: 5,992,741 km (0.085 R)
• M12: 6,337,863 km (0.103 R)
• M13: 6,777,831 km (0.068 R)
• M14: 7,899,216 km (0.068 R)
• M15: 8,843,029 km (0.076 R)
• M16: 11,588,898 km (0.073 R)
• M17: 12,432,331 km (0.11 R)
• M18: 15,637,166 km (0.107 R)
• M19: 16,666,998 km (0.045 R)
• M20: 18,861,300 km (0.106 R)
• M21: 19,355,571 km (0.088 R)
• M22: 20,198,256 km (0.106 R)
• M23: 25,878,038 km (0.076 R)
• M24: 27,422,187 km (0.025 R)
• M25: 28,700,950 km (0.059 R)
• M26: 29,685,902 km (0.1 R)
• M27: 34,337,349 km (0.104 R)
• M28: 45,643,058 km (0.067 R)
• M29: 49,745,331 km (0.099 R)
• M30: 52,775,286 km (0.085 R)
• M31: 54,917,977 km (0.114 R)
• M32: 57,289,552 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.5

Radius: 7.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 11.32 AU - 12.26 AU

Year: 15333 Days

Day: 20.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 102,846,890 km

• M1: 89,609 km (0.106 R)
• M2: 393,143 km (0.088 R)
• M3: 623,674 km (0.082 R)
• M4: 868,116 km (0.115 R)
• M5: 1,383,481 km (0.076 R)
• M6: 2,446,075 km (0.06 R)
• M7: 4,950,343 km (0.025 R)
• M8: 7,683,047 km (0.099 R)
• M9: 9,189,348 km (0.118 R)
• M10: 10,106,383 km (0.103 R)
• M11: 10,882,796 km (0.065 R)
• M12: 13,222,507 km (0.104 R)
• M13: 17,535,264 km (0.108 R)
• M14: 18,019,213 km (0.097 R)
• M15: 21,267,432 km (0.076 R)
• M16: 21,502,151 km (0.039 R)
• M17: 21,976,825 km (0.053 R)
• M18: 23,693,311 km (0.029 R)
• M19: 24,370,092 km (0.114 R)
• M20: 31,455,346 km (0.1 R)
• M21: 32,894,926 km (0.07 R)
• M22: 34,056,404 km (0.081 R)
• M23: 38,859,543 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.9

Radius: 5.4

Gravity: 28.97 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 13.43 AU - 22.05 AU

Year: 28300 Days

Day: 22.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 102,846,890 km

• M1: 67,319 km (0.062 R)
• M2: 249,230 km (0.107 R)
• M3: 1,692,401 km (0.083 R)
• M4: 2,045,601 km (0.078 R)
• M5: 3,727,231 km (0.06 R)
• M6: 4,000,845 km (0.052 R)
• M7: 5,618,298 km (0.092 R)
• M8: 7,846,259 km (0.109 R)
• M9: 9,684,966 km (0.067 R)
• M10: 10,334,520 km (0.087 R)
• M11: 15,196,152 km (0.097 R)
• M12: 15,629,986 km (0.093 R)
• M13: 16,704,996 km (0.108 R)
• M14: 19,504,720 km (0.11 R)
• M15: 31,817,373 km (0.091 R)
• M16: 32,242,081 km (0.092 R)
• M17: 33,684,653 km (0.084 R)
• M18: 35,623,591 km (0.044 R)
• M19: 40,214,750 km (0.102 R)
• M20: 46,624,869 km (0.102 R)
• M21: 55,501,708 km (0.054 R)
• M22: 55,911,307 km (0.104 R)
• M23: 56,529,595 km (0.039 R)
• M24: 57,360,910 km (0.055 R)
• M25: 65,440,841 km (0.113 R)
• M26: 67,747,939 km (0.056 R)
• M27: 69,394,712 km (0.11 R)
• M28: 74,495,252 km (0.106 R)
• M29: 74,993,562 km (0.108 R)
• M30: 84,079,389 km (0.101 R)
• M31: 84,349,263 km (0.119 R)
• M32: 87,355,732 km (0.094 R)
• M33: 95,036,685 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 16,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit