🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.94 AU - 1.18 AU

Year: 385 Days

Day: 14 Hours

Environment

Temp: 67 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,521,787 km

• M1: 230,979 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.34 AU - 1.68 AU

Year: 655 Days

Day: 19.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.5 AU - 1.58 AU

Year: 675 Days

Day: 42.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 169.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.1

Radius: 8.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.23 AU - 9.09 AU

Year: 8999 Days

Day: 12.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 105,521,787 km

• M1: 104,419 km (0.114 R)
• M2: 388,954 km (0.117 R)
• M3: 1,228,797 km (0.088 R)
• M4: 3,786,173 km (0.119 R)
• M5: 4,277,003 km (0.082 R)
• M6: 4,942,714 km (0.119 R)
• M7: 5,216,478 km (0.047 R)
• M8: 5,734,984 km (0.091 R)
• M9: 6,006,953 km (0.072 R)
• M10: 6,382,892 km (0.077 R)
• M11: 6,874,920 km (0.088 R)
• M12: 9,428,705 km (0.116 R)
• M13: 11,194,857 km (0.106 R)
• M14: 11,959,452 km (0.093 R)
• M15: 15,081,560 km (0.102 R)
• M16: 16,615,536 km (0.074 R)
• M17: 18,511,689 km (0.098 R)
• M18: 24,186,685 km (0.09 R)
• M19: 27,373,867 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.1

Radius: 13.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.8 AU - 11.72 AU

Year: 10766 Days

Day: 11.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 82.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 105,521,787 km

• M1: 216,169 km (0.071 R)
• M2: 652,247 km (0.085 R)
• M3: 2,964,731 km (0.103 R)
• M4: 4,220,006 km (0.116 R)
• M5: 5,441,323 km (0.104 R)
• M6: 14,866,737 km (0.071 R)
• M7: 15,762,529 km (0.076 R)
• M8: 16,694,075 km (0.063 R)
• M9: 18,126,475 km (0.067 R)
• M10: 24,272,853 km (0.093 R)
• M11: 27,946,528 km (0.033 R)
• M12: 29,775,362 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.5

Radius: 14.6

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 11.16 AU - 13.8 AU

Year: 15568 Days

Day: 12.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 105,521,787 km

• M1: 181,761 km (0.109 R)
• M2: 675,883 km (0.078 R)
• M3: 1,675,795 km (0.085 R)
• M4: 2,237,087 km (0.101 R)
• M5: 3,094,582 km (0.108 R)
• M6: 3,849,153 km (0.08 R)
• M7: 5,399,436 km (0.078 R)
• M8: 5,999,772 km (0.061 R)
• M9: 6,907,233 km (0.093 R)
• M10: 7,697,708 km (0.065 R)
• M11: 9,459,821 km (0.098 R)
• M12: 9,988,500 km (0.106 R)
• M13: 10,844,499 km (0.104 R)
• M14: 16,419,114 km (0.076 R)
• M15: 18,119,444 km (0.078 R)
• M16: 18,861,599 km (0.114 R)
• M17: 22,035,018 km (0.111 R)
• M18: 26,482,413 km (0.099 R)
• M19: 27,245,662 km (0.064 R)
• M20: 29,117,131 km (0.063 R)
• M21: 32,460,793 km (0.064 R)
• M22: 34,337,349 km (0.086 R)
• M23: 36,402,248 km (0.1 R)
• M24: 37,704,199 km (0.117 R)
• M25: 41,158,114 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.9

Radius: 4.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 12.9 AU - 19.36 AU

Year: 22874 Days

Day: 15.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 105,521,787 km

• M1: 52,359 km (0.099 R)
• M2: 282,740 km (0.101 R)
• M3: 477,816 km (0.099 R)
• M4: 1,215,184 km (0.093 R)
• M5: 1,786,049 km (0.062 R)
• M6: 5,546,790 km (0.045 R)
• M7: 8,353,695 km (0.088 R)
• M8: 9,261,903 km (0.085 R)
• M9: 9,935,543 km (0.107 R)
• M10: 11,487,920 km (0.076 R)
• M11: 12,958,168 km (0.105 R)
• M12: 13,555,661 km (0.119 R)
• M13: 18,708,859 km (0.047 R)
• M14: 21,221,206 km (0.115 R)
• M15: 22,643,134 km (0.116 R)
• M16: 23,508,557 km (0.109 R)
• M17: 38,770,083 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.8

Radius: 6.1

Gravity: 21.71 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 19.13 AU - 19.59 AU

Year: 30079 Days

Day: 17.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 105,521,787 km

• M1: 76,893 km (0.08 R)
• M2: 371,452 km (0.071 R)
• M3: 906,862 km (0.09 R)
• M4: 1,260,960 km (0.078 R)
• M5: 1,844,991 km (0.084 R)
• M6: 2,151,367 km (0.12 R)
• M7: 2,728,216 km (0.107 R)
• M8: 3,899,867 km (0.053 R)
• M9: 4,220,306 km (0.116 R)
• M10: 5,161,426 km (0.08 R)
• M11: 7,343,311 km (0.079 R)
• M12: 7,612,437 km (0.1 R)
• M13: 11,592,189 km (0.055 R)
• M14: 22,175,640 km (0.082 R)
• M15: 24,246,224 km (0.096 R)
• M16: 29,979,563 km (0.074 R)
• M17: 34,715,831 km (0.087 R)
• M18: 38,781,004 km (0.094 R)
• M19: 39,597,509 km (0.079 R)
• M20: 45,276,394 km (0.108 R)
• M21: 48,969,517 km (0.09 R)
• M22: 51,083,933 km (0.054 R)
• M23: 64,832,875 km (0.052 R)
• M24: 68,796,470 km (0.086 R)
• M25: 75,671,839 km (0.118 R)
• M26: 92,495,765 km (0.027 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 16,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit