🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.04 AU - 1.6 AU

Year: 551 Days

Day: 12.2 Hours

Environment

Temp: -14 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 86,365,300 km

• M1: 18,251 km (0.111 R)
• M2: 138,976 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.01 AU - 3.07 AU

Year: 1471 Days

Day: 46.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,365,300 km

• M1: 457,919 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.67 AU - 5.27 AU

Year: 3435 Days

Day: 42.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,365,300 km

• M1: 19,448 km (0.071 R)

Asteroid Belt

Center: 4.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 9

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.48 AU - 6.32 AU

Year: 4561 Days

Day: 13.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,365,300 km

• M1: 111,899 km (0.049 R)
• M2: 782,098 km (0.109 R)
• M3: 1,460,225 km (0.103 R)
• M4: 1,906,625 km (0.103 R)
• M5: 2,396,109 km (0.031 R)
• M6: 3,333,340 km (0.1 R)
• M7: 3,688,036 km (0.104 R)
• M8: 5,968,207 km (0.084 R)
• M9: 9,868,822 km (0.112 R)
• M10: 10,729,309 km (0.11 R)
• M11: 12,598,983 km (0.116 R)
• M12: 12,882,770 km (0.104 R)
• M13: 13,414,142 km (0.088 R)
• M14: 14,417,644 km (0.104 R)
• M15: 15,632,678 km (0.081 R)
• M16: 16,857,436 km (0.074 R)
• M17: 18,385,878 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 12.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.76 AU - 6.86 AU

Year: 5090 Days

Day: 9.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,365,300 km

• M1: 154,235 km (0.039 R)
• M2: 618,587 km (0.111 R)
• M3: 1,019,210 km (0.101 R)
• M4: 1,471,594 km (0.071 R)
• M5: 1,860,698 km (0.105 R)
• M6: 2,272,242 km (0.113 R)
• M7: 2,763,222 km (0.077 R)
• M8: 3,366,102 km (0.118 R)
• M9: 3,777,945 km (0.052 R)
• M10: 4,446,946 km (0.055 R)
• M11: 4,863,726 km (0.088 R)
• M12: 5,278,262 km (0.08 R)
• M13: 7,681,701 km (0.077 R)
• M14: 8,797,552 km (0.08 R)
• M15: 9,415,690 km (0.116 R)
• M16: 10,555,626 km (0.09 R)
• M17: 12,951,286 km (0.101 R)
• M18: 14,585,344 km (0.11 R)
• M19: 15,689,077 km (0.06 R)
• M20: 16,910,095 km (0.096 R)
• M21: 18,325,440 km (0.064 R)
• M22: 19,679,301 km (0.05 R)
• M23: 22,132,257 km (0.107 R)
• M24: 24,621,117 km (0.09 R)
• M25: 25,271,269 km (0.083 R)
• M26: 27,899,704 km (0.091 R)
• M27: 32,128,536 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.6

Radius: 8

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.32 AU - 8.36 AU

Year: 6502 Days

Day: 13.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,365,300 km

• M1: 208,390 km (0.106 R)
• M2: 471,832 km (0.084 R)
• M3: 834,756 km (0.08 R)
• M4: 1,547,889 km (0.095 R)
• M5: 2,221,977 km (0.069 R)
• M6: 2,802,866 km (0.091 R)
• M7: 3,119,116 km (0.103 R)
• M8: 4,163,309 km (0.06 R)
• M9: 4,444,403 km (0.114 R)
• M10: 6,207,713 km (0.101 R)
• M11: 8,843,329 km (0.074 R)
• M12: 10,758,630 km (0.113 R)
• M13: 11,487,321 km (0.079 R)
• M14: 13,425,212 km (0.104 R)
• M15: 14,155,100 km (0.1 R)
• M16: 17,603,630 km (0.118 R)
• M17: 19,806,459 km (0.105 R)
• M18: 24,502,785 km (0.119 R)
• M19: 30,556,562 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.6

Radius: 7.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 16.92 AU - 18.14 AU

Year: 26675 Days

Day: 24.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,365,300 km

• M1: 97,089 km (0.071 R)
• M2: 689,347 km (0.085 R)
• M3: 1,010,982 km (0.114 R)
• M4: 1,263,204 km (0.095 R)
• M5: 2,034,531 km (0.11 R)
• M6: 3,500,441 km (0.106 R)
• M7: 4,436,624 km (0.088 R)
• M8: 5,634,753 km (0.105 R)
• M9: 6,754,194 km (0.109 R)
• M10: 10,507,455 km (0.04 R)
• M11: 12,610,353 km (0.064 R)
• M12: 14,576,069 km (0.09 R)
• M13: 17,105,170 km (0.112 R)
• M14: 20,325,863 km (0.083 R)
• M15: 30,261,704 km (0.109 R)
• M16: 34,103,378 km (0.112 R)
• M17: 41,788,669 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.1

Radius: 6.1

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 18.43 AU - 21.33 AU

Year: 32215 Days

Day: 23.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,365,300 km

• M1: 75,846 km (0.084 R)
• M2: 530,474 km (0.046 R)
• M3: 852,409 km (0.063 R)
• M4: 1,575,116 km (0.109 R)
• M5: 1,909,916 km (0.109 R)
• M6: 2,524,165 km (0.119 R)
• M7: 3,619,221 km (0.083 R)
• M8: 5,116,098 km (0.118 R)
• M9: 7,032,596 km (0.069 R)
• M10: 9,382,180 km (0.056 R)
• M11: 10,103,990 km (0.114 R)
• M12: 12,633,690 km (0.087 R)
• M13: 14,987,463 km (0.113 R)
• M14: 22,484,710 km (0.075 R)
• M15: 23,122,894 km (0.03 R)
• M16: 24,771,163 km (0.068 R)
• M17: 24,996,607 km (0.091 R)
• M18: 27,568,644 km (0.114 R)
• M19: 30,055,259 km (0.117 R)
• M20: 38,254,719 km (0.094 R)
• M21: 39,469,902 km (0.052 R)
• M22: 41,977,013 km (0.086 R)
• M23: 43,596,709 km (0.096 R)
• M24: 47,305,839 km (0.025 R)
• M25: 51,402,876 km (0.108 R)
• M26: 56,897,755 km (0.061 R)
• M27: 57,685,089 km (0.101 R)
• M28: 59,483,105 km (0.069 R)
• M29: 60,702,478 km (0.101 R)
• M30: 63,401,223 km (0.09 R)
• M31: 70,608,849 km (0.033 R)
• M32: 71,517,955 km (0.058 R)
• M33: 75,943,060 km (0.068 R)
• M34: 77,137,150 km (0.099 R)
• M35: 77,377,554 km (0.072 R)
• M36: 83,043,573 km (0.11 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 14,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit