🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.57 AU - 0.59 AU

Year: 203 Days

Day: 20.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.87 AU - 1.14 AU

Year: 460 Days

Day: 22.2 Hours

Environment

Temp: -70 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,244,471 km

• M1: 363,523 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.21 AU - 1.3 AU

Year: 643 Days

Day: 18.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.7

Radius: 9.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.84 AU - 3.94 AU

Year: 2872 Days

Day: 12.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,244,471 km

• M1: 117,285 km (0.054 R)
• M2: 494,571 km (0.095 R)
• M3: 802,144 km (0.085 R)
• M4: 1,100,592 km (0.09 R)
• M5: 1,524,851 km (0.115 R)
• M6: 2,183,979 km (0.037 R)
• M7: 2,528,354 km (0.072 R)
• M8: 2,877,066 km (0.08 R)
• M9: 3,469,623 km (0.097 R)
• M10: 4,120,973 km (0.055 R)
• M11: 4,562,735 km (0.119 R)
• M12: 5,344,683 km (0.113 R)
• M13: 5,641,186 km (0.102 R)
• M14: 7,473,610 km (0.113 R)
• M15: 8,035,350 km (0.076 R)
• M16: 9,671,951 km (0.106 R)
• M17: 10,188,363 km (0.118 R)
• M18: 10,762,071 km (0.086 R)
• M19: 11,478,794 km (0.068 R)
• M20: 12,269,419 km (0.04 R)
• M21: 13,274,567 km (0.111 R)
• M22: 14,052,177 km (0.044 R)
• M23: 15,798,433 km (0.077 R)
• M24: 16,987,287 km (0.041 R)
• M25: 19,137,607 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 10.9

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.89 AU - 9.71 AU

Year: 11004 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,244,471 km

• M1: 135,835 km (0.09 R)
• M2: 876,644 km (0.1 R)
• M3: 1,303,895 km (0.114 R)
• M4: 2,296,028 km (0.089 R)
• M5: 2,786,560 km (0.068 R)
• M6: 5,144,521 km (0.116 R)
• M7: 7,513,254 km (0.075 R)
• M8: 8,318,988 km (0.101 R)
• M9: 9,532,526 km (0.073 R)
• M10: 10,476,788 km (0.083 R)
• M11: 11,253,350 km (0.117 R)
• M12: 19,151,519 km (0.12 R)
• M13: 19,643,248 km (0.066 R)
• M14: 20,059,578 km (0.094 R)
• M15: 21,783,544 km (0.099 R)
• M16: 23,232,400 km (0.099 R)
• M17: 24,744,385 km (0.082 R)
• M18: 25,722,157 km (0.116 R)
• M19: 26,623,933 km (0.116 R)
• M20: 28,384,700 km (0.089 R)
• M21: 29,782,542 km (0.075 R)
• M22: 34,371,308 km (0.106 R)
• M23: 34,733,484 km (0.115 R)
• M24: 38,886,022 km (0.097 R)
• M25: 40,206,971 km (0.074 R)
• M26: 43,358,250 km (0.11 R)
• M27: 43,781,163 km (0.091 R)
• M28: 47,861,296 km (0.038 R)
• M29: 49,531,257 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.1

Radius: 6.7

Gravity: 13.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.74 AU - 10.78 AU

Year: 14031 Days

Day: 22.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,244,471 km

• M1: 83,326 km (0.096 R)
• M2: 327,021 km (0.113 R)
• M3: 865,573 km (0.086 R)
• M4: 1,236,426 km (0.037 R)
• M5: 2,561,415 km (0.082 R)
• M6: 3,614,883 km (0.03 R)
• M7: 4,513,368 km (0.082 R)
• M8: 4,898,433 km (0.117 R)
• M9: 5,270,483 km (0.093 R)
• M10: 5,994,835 km (0.111 R)
• M11: 6,825,104 km (0.083 R)
• M12: 7,640,113 km (0.092 R)
• M13: 8,048,066 km (0.116 R)
• M14: 8,280,990 km (0.089 R)
• M15: 9,207,300 km (0.106 R)
• M16: 9,721,618 km (0.093 R)
• M17: 9,985,957 km (0.062 R)
• M18: 11,496,896 km (0.085 R)
• M19: 13,347,720 km (0.041 R)
• M20: 14,964,873 km (0.09 R)
• M21: 15,893,128 km (0.082 R)
• M22: 16,186,340 km (0.096 R)
• M23: 18,663,681 km (0.072 R)
• M24: 21,205,648 km (0.087 R)
• M25: 27,591,981 km (0.086 R)
• M26: 28,122,305 km (0.057 R)
• M27: 29,094,093 km (0.106 R)
• M28: 30,990,396 km (0.096 R)
• M29: 35,774,236 km (0.119 R)
• M30: 45,436,763 km (0.109 R)
• M31: 47,224,757 km (0.061 R)
• M32: 57,387,239 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.7

Radius: 3.7

Gravity: 62.36 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.41 AU - 12.01 AU

Year: 17271 Days

Day: 15.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,244,471 km

• M1: 46,076 km (0.067 R)
• M2: 224,546 km (0.117 R)
• M3: 571,314 km (0.03 R)
• M4: 6,629,579 km (0.118 R)
• M5: 10,123,288 km (0.107 R)
• M6: 10,661,990 km (0.091 R)
• M7: 10,845,696 km (0.105 R)
• M8: 14,375,757 km (0.11 R)
• M9: 14,826,645 km (0.067 R)
• M10: 15,756,695 km (0.066 R)
• M11: 16,479,103 km (0.117 R)
• M12: 17,731,985 km (0.109 R)
• M13: 20,708,983 km (0.082 R)
• M14: 21,380,677 km (0.091 R)
• M15: 22,066,733 km (0.094 R)
• M16: 23,379,604 km (0.11 R)
• M17: 27,975,699 km (0.051 R)
• M18: 32,750,564 km (0.06 R)
• M19: 36,772,952 km (0.095 R)
• M20: 37,615,038 km (0.082 R)
• M21: 67,147,752 km (0.078 R)
• M22: 71,181,360 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.7

Radius: 3.8

Gravity: 44.44 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 13.89 AU - 16.41 AU

Year: 27136 Days

Day: 21.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,244,471 km

• M1: 47,572 km (0.084 R)
• M2: 257,009 km (0.118 R)
• M3: 810,222 km (0.065 R)
• M4: 928,554 km (0.037 R)
• M5: 2,248,606 km (0.093 R)
• M6: 2,534,338 km (0.117 R)
• M7: 3,792,156 km (0.087 R)
• M8: 4,196,669 km (0.051 R)
• M9: 4,856,545 km (0.067 R)
• M10: 5,625,179 km (0.085 R)
• M11: 6,060,808 km (0.11 R)
• M12: 8,083,671 km (0.074 R)
• M13: 9,216,575 km (0.088 R)
• M14: 18,025,646 km (0.08 R)
• M15: 18,398,893 km (0.112 R)
• M16: 19,943,491 km (0.117 R)
• M17: 20,443,447 km (0.05 R)
• M18: 27,722,430 km (0.12 R)
• M19: 28,849,201 km (0.059 R)
• M20: 32,275,741 km (0.089 R)
• M21: 34,370,859 km (0.045 R)
• M22: 35,963,777 km (0.119 R)
• M23: 38,367,366 km (0.116 R)
• M24: 41,358,276 km (0.093 R)
• M25: 52,760,177 km (0.053 R)
• M26: 55,462,812 km (0.058 R)
• M27: 55,659,384 km (0.108 R)
• M28: 59,481,759 km (0.033 R)
• M29: 62,195,614 km (0.049 R)
• M30: 63,905,966 km (0.071 R)
• M31: 65,647,585 km (0.081 R)
• M32: 70,830,104 km (0.057 R)
• M33: 74,591,892 km (0.032 R)
• M34: 77,499,027 km (0.08 R)
• M35: 79,978,612 km (0.11 R)
• M36: 80,480,812 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 19,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit