🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.84 AU - 1.06 AU

Year: 343 Days

Day: 46.1 Hours

Environment

Temp: 17 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.5 AU - 1.56 AU

Year: 702 Days

Day: 29.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 105.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.61 AU - 1.61 AU

Year: 758 Days

Day: 22.2 Hours

Environment

Temp: -55 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.27 AU - 3.81 AU

Year: 2470 Days

Day: 39 Hours

Environment

Temp: -110 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.7

Radius: 11.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.44 AU - 7.02 AU

Year: 5087 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 109.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,095,050 km

• M1: 140,472 km (0.075 R)
• M2: 593,904 km (0.12 R)
• M3: 1,356,404 km (0.074 R)
• M4: 2,006,107 km (0.074 R)
• M5: 2,452,807 km (0.105 R)
• M6: 2,946,779 km (0.076 R)
• M7: 3,380,762 km (0.057 R)
• M8: 3,767,622 km (0.119 R)
• M9: 5,027,685 km (0.052 R)
• M10: 5,829,530 km (0.111 R)
• M11: 6,517,830 km (0.091 R)
• M12: 7,400,158 km (0.113 R)
• M13: 9,277,312 km (0.116 R)
• M14: 10,128,075 km (0.078 R)
• M15: 11,500,636 km (0.111 R)
• M16: 12,083,170 km (0.043 R)
• M17: 15,008,257 km (0.1 R)
• M18: 16,240,046 km (0.048 R)
• M19: 20,200,200 km (0.098 R)
• M20: 24,127,593 km (0.115 R)
• M21: 25,002,143 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.8

Radius: 5.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 13.86 AU - 19.18 AU

Year: 24901 Days

Day: 18.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,095,050 km

• M1: 77,193 km (0.062 R)
• M2: 284,386 km (0.099 R)
• M3: 539,450 km (0.086 R)
• M4: 842,834 km (0.062 R)
• M5: 1,849,927 km (0.111 R)
• M6: 2,376,811 km (0.115 R)
• M7: 4,813,012 km (0.046 R)
• M8: 7,525,072 km (0.082 R)
• M9: 10,710,609 km (0.053 R)
• M10: 16,811,659 km (0.064 R)
• M11: 23,266,957 km (0.052 R)
• M12: 23,940,147 km (0.104 R)
• M13: 26,854,912 km (0.1 R)
• M14: 33,377,379 km (0.108 R)
• M15: 35,877,459 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.3

Radius: 6.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 16.26 AU - 19.02 AU

Year: 27476 Days

Day: 21.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,095,050 km

• M1: 89,609 km (0.079 R)
• M2: 381,325 km (0.104 R)
• M3: 682,914 km (0.057 R)
• M4: 950,246 km (0.095 R)
• M5: 1,669,363 km (0.116 R)
• M6: 2,218,088 km (0.117 R)
• M7: 2,534,487 km (0.089 R)
• M8: 2,858,067 km (0.054 R)
• M9: 3,257,793 km (0.092 R)
• M10: 4,197,716 km (0.117 R)
• M11: 5,004,797 km (0.076 R)
• M12: 5,656,744 km (0.073 R)
• M13: 6,759,131 km (0.095 R)
• M14: 7,297,085 km (0.105 R)
• M15: 8,134,235 km (0.083 R)
• M16: 8,936,079 km (0.088 R)
• M17: 10,369,526 km (0.117 R)
• M18: 15,936,512 km (0.107 R)
• M19: 16,152,830 km (0.088 R)
• M20: 16,738,955 km (0.096 R)
• M21: 18,742,220 km (0.084 R)
• M22: 21,072,506 km (0.048 R)
• M23: 29,210,031 km (0.071 R)
• M24: 30,520,808 km (0.116 R)
• M25: 31,984,474 km (0.115 R)
• M26: 33,849,211 km (0.117 R)
• M27: 36,280,775 km (0.112 R)
• M28: 46,729,438 km (0.11 R)
• M29: 51,604,234 km (0.054 R)
• M30: 53,033,792 km (0.076 R)
• M31: 53,355,128 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.4

Radius: 7.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 15.86 AU - 21.42 AU

Year: 29845 Days

Day: 15.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,095,050 km

• M1: 101,727 km (0.12 R)
• M2: 423,212 km (0.074 R)
• M3: 749,635 km (0.025 R)
• M4: 1,046,288 km (0.07 R)
• M5: 1,421,479 km (0.062 R)
• M6: 1,919,789 km (0.067 R)
• M7: 2,402,392 km (0.079 R)
• M8: 3,445,837 km (0.065 R)
• M9: 4,407,153 km (0.114 R)
• M10: 4,797,753 km (0.081 R)
• M11: 5,500,115 km (0.114 R)
• M12: 6,637,658 km (0.117 R)
• M13: 8,114,338 km (0.118 R)
• M14: 11,825,263 km (0.098 R)
• M15: 13,167,455 km (0.098 R)
• M16: 14,750,948 km (0.09 R)
• M17: 22,549,485 km (0.063 R)
• M18: 25,625,367 km (0.099 R)
• M19: 27,425,478 km (0.114 R)
• M20: 28,634,229 km (0.11 R)
• M21: 29,421,563 km (0.119 R)
• M22: 29,877,986 km (0.115 R)
• M23: 32,110,734 km (0.078 R)
• M24: 33,950,190 km (0.062 R)
• M25: 40,027,603 km (0.058 R)
• M26: 49,957,012 km (0.114 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 16,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit