🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.7 AU - 0.72 AU

Year: 221 Days

Day: 47.4 Hours

Environment

Temp: 175 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,109,342 km

• M1: 390,151 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.95 AU - 1.05 AU

Year: 369 Days

Day: 24.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 83,109,342 km

• M1: 496,964 km (0.028 R)

Asteroid Belt

Center: 5.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 13.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.35 AU - 10.69 AU

Year: 12589 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,109,342 km

• M1: 175,329 km (0.052 R)
• M2: 762,650 km (0.086 R)
• M3: 1,431,801 km (0.118 R)
• M4: 2,622,899 km (0.099 R)
• M5: 5,264,050 km (0.099 R)
• M6: 5,791,382 km (0.091 R)
• M7: 7,873,934 km (0.096 R)
• M8: 8,736,516 km (0.106 R)
• M9: 10,416,051 km (0.103 R)
• M10: 15,645,394 km (0.069 R)
• M11: 19,199,840 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 12.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.64 AU - 12.84 AU

Year: 13904 Days

Day: 7.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,109,342 km

• M1: 152,590 km (0.106 R)
• M2: 698,173 km (0.055 R)
• M3: 1,505,703 km (0.071 R)
• M4: 3,238,794 km (0.082 R)
• M5: 5,576,111 km (0.045 R)
• M6: 6,201,430 km (0.118 R)
• M7: 7,181,895 km (0.077 R)
• M8: 10,397,052 km (0.055 R)
• M9: 12,222,744 km (0.106 R)
• M10: 13,076,799 km (0.058 R)
• M11: 14,396,102 km (0.07 R)
• M12: 14,977,440 km (0.078 R)
• M13: 18,714,694 km (0.057 R)
• M14: 19,319,967 km (0.063 R)
• M15: 28,878,672 km (0.11 R)
• M16: 36,307,403 km (0.097 R)
• M17: 59,865,478 km (0.103 R)
• M18: 66,031,453 km (0.07 R)
• M19: 67,233,023 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.3

Radius: 3.4

Gravity: 84.71 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 11.49 AU - 13.43 AU

Year: 16228 Days

Day: 16.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,109,342 km

• M1: 42,336 km (0.111 R)
• M2: 772,673 km (0.094 R)
• M3: 2,115,463 km (0.082 R)
• M4: 3,264,974 km (0.099 R)
• M5: 3,577,633 km (0.105 R)
• M6: 4,847,719 km (0.08 R)
• M7: 5,141,080 km (0.099 R)
• M8: 6,134,410 km (0.075 R)
• M9: 6,924,287 km (0.104 R)
• M10: 15,115,668 km (0.111 R)
• M11: 23,371,975 km (0.107 R)
• M12: 24,524,177 km (0.033 R)
• M13: 24,952,476 km (0.038 R)
• M14: 26,715,337 km (0.089 R)
• M15: 28,795,945 km (0.08 R)
• M16: 31,861,055 km (0.095 R)
• M17: 44,847,198 km (0.093 R)
• M18: 46,622,027 km (0.082 R)
• M19: 49,967,783 km (0.025 R)
• M20: 55,098,093 km (0.081 R)
• M21: 56,016,773 km (0.115 R)
• M22: 56,387,028 km (0.1 R)
• M23: 61,350,236 km (0.053 R)
• M24: 65,360,506 km (0.072 R)
• M25: 69,541,917 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.3

Radius: 5.7

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 10.57 AU - 16.15 AU

Year: 18017 Days

Day: 21.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,109,342 km

• M1: 70,909 km (0.092 R)
• M2: 294,708 km (0.118 R)
• M3: 737,069 km (0.098 R)
• M4: 992,582 km (0.07 R)
• M5: 2,111,873 km (0.06 R)
• M6: 4,175,875 km (0.097 R)
• M7: 5,951,153 km (0.091 R)
• M8: 6,282,363 km (0.116 R)
• M9: 6,495,540 km (0.119 R)
• M10: 9,501,110 km (0.068 R)
• M11: 18,839,458 km (0.086 R)
• M12: 19,373,223 km (0.118 R)
• M13: 21,705,753 km (0.086 R)
• M14: 31,647,878 km (0.058 R)
• M15: 41,052,947 km (0.072 R)
• M16: 43,318,008 km (0.072 R)
• M17: 44,403,042 km (0.103 R)
• M18: 46,304,879 km (0.056 R)
• M19: 49,426,388 km (0.081 R)
• M20: 50,781,596 km (0.08 R)
• M21: 51,296,063 km (0.083 R)
• M22: 57,558,379 km (0.055 R)
• M23: 63,712,836 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.7

Radius: 7.9

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 13.67 AU - 20.01 AU

Year: 25497 Days

Day: 24 Hours

Environment

Temp: -207 °C

Axial Tilt: 124.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,109,342 km

• M1: 98,286 km (0.111 R)
• M2: 357,838 km (0.068 R)
• M3: 876,793 km (0.065 R)
• M4: 2,304,256 km (0.094 R)
• M5: 2,750,506 km (0.031 R)
• M6: 3,197,505 km (0.098 R)
• M7: 3,453,317 km (0.074 R)
• M8: 4,338,189 km (0.088 R)
• M9: 5,606,629 km (0.039 R)
• M10: 6,108,231 km (0.108 R)
• M11: 7,896,224 km (0.113 R)
• M12: 8,366,111 km (0.072 R)
• M13: 8,689,542 km (0.033 R)
• M14: 15,229,063 km (0.056 R)
• M15: 15,957,156 km (0.067 R)
• M16: 17,657,934 km (0.076 R)
• M17: 17,923,022 km (0.092 R)
• M18: 22,952,652 km (0.113 R)
• M19: 24,125,349 km (0.056 R)
• M20: 27,644,490 km (0.113 R)
• M21: 28,122,156 km (0.052 R)
• M22: 31,491,698 km (0.065 R)
• M23: 41,461,050 km (0.089 R)
• M24: 43,197,582 km (0.103 R)
• M25: 52,247,206 km (0.057 R)
• M26: 60,457,137 km (0.046 R)
• M27: 61,261,824 km (0.068 R)
• M28: 64,343,540 km (0.068 R)
• M29: 71,483,697 km (0.108 R)
• M30: 79,374,237 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.8

Radius: 8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 17.15 AU - 19.23 AU

Year: 28624 Days

Day: 24 Hours

Environment

Temp: -196 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,109,342 km

• M1: 99,931 km (0.111 R)
• M2: 391,049 km (0.08 R)
• M3: 868,266 km (0.104 R)
• M4: 1,661,883 km (0.091 R)
• M5: 1,941,332 km (0.113 R)
• M6: 2,318,468 km (0.1 R)
• M7: 2,718,792 km (0.048 R)
• M8: 3,055,537 km (0.085 R)
• M9: 4,372,746 km (0.043 R)
• M10: 9,628,269 km (0.102 R)
• M11: 10,413,657 km (0.118 R)
• M12: 11,437,804 km (0.118 R)
• M13: 12,111,294 km (0.09 R)
• M14: 12,598,235 km (0.065 R)
• M15: 14,677,346 km (0.112 R)
• M16: 15,472,309 km (0.081 R)
• M17: 16,718,160 km (0.12 R)
• M18: 17,409,303 km (0.086 R)
• M19: 20,658,868 km (0.039 R)
• M20: 27,845,998 km (0.073 R)
• M21: 33,600,879 km (0.116 R)
• M22: 36,251,902 km (0.11 R)
• M23: 36,538,831 km (0.057 R)
• M24: 36,827,256 km (0.112 R)
• M25: 39,492,043 km (0.086 R)
• M26: 44,051,187 km (0.099 R)
• M27: 45,036,289 km (0.079 R)
• M28: 46,710,888 km (0.087 R)
• M29: 49,124,201 km (0.104 R)
• M30: 62,447,387 km (0.084 R)
• M31: 69,708,419 km (0.107 R)
• M32: 73,312,082 km (0.118 R)
• M33: 78,227,719 km (0.095 R)
• M34: 80,400,029 km (0.077 R)
• M35: 81,133,059 km (0.107 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 13,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit