🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.12 AU - 1.3 AU

Year: 479 Days

Day: 26.2 Hours

Environment

Temp: 12 °C

Axial Tilt: 148.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 115,517,533 km

• M1: 68,516 km (0.046 R)
• M2: 144,960 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.56 AU - 1.6 AU

Year: 715 Days

Day: 43 Hours

Environment

Temp: -39 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 115,517,533 km

• M1: 38,746 km (0.039 R)
• M2: 190,887 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.9 AU - 2.68 AU

Year: 1247 Days

Day: 36.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.5

Radius: 11.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.12 AU - 10.06 AU

Year: 9863 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 115,517,533 km

• M1: 143,165 km (0.096 R)
• M2: 582,534 km (0.053 R)
• M3: 1,246,749 km (0.09 R)
• M4: 1,729,501 km (0.104 R)
• M5: 2,119,054 km (0.11 R)
• M6: 2,607,940 km (0.103 R)
• M7: 2,967,573 km (0.109 R)
• M8: 3,409,186 km (0.064 R)
• M9: 3,975,264 km (0.098 R)
• M10: 6,695,253 km (0.119 R)
• M11: 7,670,481 km (0.093 R)
• M12: 10,260,170 km (0.104 R)
• M13: 11,002,774 km (0.081 R)
• M14: 13,016,212 km (0.085 R)
• M15: 13,823,142 km (0.067 R)
• M16: 16,875,687 km (0.066 R)
• M17: 17,314,009 km (0.088 R)
• M18: 17,910,306 km (0.054 R)
• M19: 20,433,723 km (0.092 R)
• M20: 21,015,808 km (0.103 R)
• M21: 24,931,233 km (0.077 R)
• M22: 27,060,310 km (0.1 R)
• M23: 29,729,734 km (0.057 R)
• M24: 33,708,888 km (0.043 R)
• M25: 37,780,643 km (0.106 R)
• M26: 42,168,947 km (0.071 R)
• M27: 45,604,462 km (0.107 R)
• M28: 46,313,406 km (0.077 R)
• M29: 47,173,594 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.3

Radius: 3.7

Gravity: 48.6 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 17.66 AU - 18.68 AU

Year: 27874 Days

Day: 21.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 115,517,533 km

• M1: 46,076 km (0.103 R)
• M2: 954,135 km (0.09 R)
• M3: 1,219,522 km (0.118 R)
• M4: 4,214,770 km (0.108 R)
• M5: 5,001,506 km (0.117 R)
• M6: 6,428,370 km (0.053 R)
• M7: 7,996,455 km (0.104 R)
• M8: 10,766,708 km (0.036 R)
• M9: 18,571,379 km (0.085 R)
• M10: 19,248,010 km (0.064 R)
• M11: 20,242,686 km (0.077 R)
• M12: 22,334,065 km (0.04 R)
• M13: 25,853,055 km (0.038 R)
• M14: 37,207,085 km (0.11 R)
• M15: 46,907,759 km (0.098 R)
• M16: 50,917,281 km (0.028 R)
• M17: 58,575,196 km (0.097 R)
• M18: 60,445,319 km (0.085 R)
• M19: 73,459,885 km (0.042 R)
• M20: 75,146,601 km (0.067 R)
• M21: 77,105,585 km (0.112 R)
• M22: 89,579,355 km (0.063 R)
• M23: 92,058,490 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837

Radius: 4.9

Gravity: 34.86 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 14.63 AU - 22.65 AU

Year: 28963 Days

Day: 17.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 85.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 115,517,533 km

• M1: 61,036 km (0.054 R)
• M2: 219,161 km (0.12 R)
• M3: 1,572,573 km (0.114 R)
• M4: 2,572,635 km (0.06 R)
• M5: 3,535,147 km (0.12 R)
• M6: 4,795,659 km (0.066 R)
• M7: 5,861,544 km (0.078 R)
• M8: 6,233,743 km (0.061 R)
• M9: 7,285,416 km (0.074 R)
• M10: 8,685,652 km (0.079 R)
• M11: 9,417,485 km (0.114 R)
• M12: 10,123,886 km (0.079 R)
• M13: 12,154,229 km (0.054 R)
• M14: 15,291,446 km (0.107 R)
• M15: 15,553,092 km (0.099 R)
• M16: 15,906,592 km (0.101 R)
• M17: 17,563,538 km (0.096 R)
• M18: 18,335,613 km (0.116 R)
• M19: 21,432,737 km (0.051 R)
• M20: 26,204,909 km (0.037 R)
• M21: 27,339,759 km (0.038 R)
• M22: 30,524,997 km (0.097 R)
• M23: 39,715,991 km (0.097 R)
• M24: 53,339,719 km (0.11 R)
• M25: 55,979,523 km (0.107 R)
• M26: 63,292,615 km (0.091 R)
• M27: 69,534,437 km (0.115 R)
• M28: 80,563,988 km (0.105 R)
• M29: 87,599,726 km (0.096 R)
• M30: 92,126,707 km (0.032 R)
• M31: 103,497,940 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.1

Radius: 7

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 17.17 AU - 21.81 AU

Year: 30966 Days

Day: 20.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 115,517,533 km

• M1: 360,232 km (0.087 R)
• M2: 772,972 km (0.077 R)
• M3: 1,009,187 km (0.116 R)
• M4: 2,093,173 km (0.066 R)
• M5: 3,243,132 km (0.063 R)
• M6: 4,392,193 km (0.071 R)
• M7: 6,148,323 km (0.062 R)
• M8: 10,378,203 km (0.11 R)
• M9: 11,660,406 km (0.046 R)
• M10: 16,844,421 km (0.096 R)
• M11: 24,404,050 km (0.07 R)
• M12: 28,275,045 km (0.079 R)
• M13: 35,554,328 km (0.11 R)
• M14: 39,225,908 km (0.084 R)
• M15: 39,542,906 km (0.1 R)
• M16: 46,422,164 km (0.065 R)
• M17: 49,309,702 km (0.079 R)
• M18: 62,921,762 km (0.114 R)
• M19: 68,725,262 km (0.107 R)
• M20: 69,185,874 km (0.085 R)
• M21: 76,591,866 km (0.108 R)
• M22: 81,898,252 km (0.109 R)
• M23: 82,936,012 km (0.097 R)
• M24: 88,256,610 km (0.095 R)
• M25: 92,673,487 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.2

Radius: 3.3

Gravity: 90.84 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 17.15 AU - 21.97 AU

Year: 31133 Days

Day: 16.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 115,517,533 km

• M1: 325,226 km (0.079 R)
• M2: 454,628 km (0.119 R)
• M3: 638,933 km (0.079 R)
• M4: 772,224 km (0.034 R)
• M5: 1,035,816 km (0.089 R)
• M6: 2,916,111 km (0.083 R)
• M7: 3,317,482 km (0.093 R)
• M8: 3,968,682 km (0.099 R)
• M9: 4,992,081 km (0.065 R)
• M10: 5,383,878 km (0.101 R)
• M11: 7,050,248 km (0.094 R)
• M12: 9,611,962 km (0.073 R)
• M13: 9,810,928 km (0.062 R)
• M14: 11,576,781 km (0.1 R)
• M15: 19,569,496 km (0.045 R)
• M16: 33,240,048 km (0.087 R)
• M17: 33,847,416 km (0.051 R)
• M18: 35,083,992 km (0.103 R)
• M19: 43,683,476 km (0.025 R)
• M20: 54,840,635 km (0.073 R)
• M21: 64,882,840 km (0.06 R)
• M22: 67,511,275 km (0.03 R)
• M23: 75,820,689 km (0.115 R)
• M24: 100,619,229 km (0.115 R)
• M25: 101,888,267 km (0.072 R)
• M26: 102,526,901 km (0.069 R)
• M27: 114,481,416 km (0.077 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 13,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit