🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.83 AU - 0.89 AU

Year: 296 Days

Day: 33.4 Hours

Environment

Temp: 135 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.9 AU - 0.96 AU

Year: 333 Days

Day: 18.9 Hours

Environment

Temp: 45 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,211,126 km

• M1: 182,958 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.19 AU - 1.41 AU

Year: 550 Days

Day: 26.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501

Radius: 9.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.93 AU - 8.37 AU

Year: 7090 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,211,126 km

• M1: 122,072 km (0.088 R)
• M2: 965,056 km (0.105 R)
• M3: 2,497,536 km (0.069 R)
• M4: 3,198,552 km (0.097 R)
• M5: 5,216,029 km (0.119 R)
• M6: 5,783,753 km (0.113 R)
• M7: 6,425,378 km (0.1 R)
• M8: 7,329,548 km (0.101 R)
• M9: 7,888,595 km (0.102 R)
• M10: 10,275,579 km (0.027 R)
• M11: 11,362,557 km (0.071 R)
• M12: 12,060,730 km (0.058 R)
• M13: 13,053,761 km (0.064 R)
• M14: 13,708,401 km (0.068 R)
• M15: 14,848,037 km (0.092 R)
• M16: 15,621,907 km (0.115 R)
• M17: 16,111,242 km (0.104 R)
• M18: 17,120,878 km (0.109 R)
• M19: 20,620,720 km (0.108 R)
• M20: 21,659,079 km (0.105 R)
• M21: 23,599,513 km (0.034 R)
• M22: 24,735,260 km (0.084 R)
• M23: 29,459,112 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 8.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 11.57 AU - 12.07 AU

Year: 15071 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,211,126 km

• M1: 133,441 km (0.109 R)
• M2: 646,562 km (0.106 R)
• M3: 1,156,541 km (0.102 R)
• M4: 1,710,652 km (0.088 R)
• M5: 2,095,268 km (0.083 R)
• M6: 3,444,790 km (0.12 R)
• M7: 3,973,170 km (0.088 R)
• M8: 5,885,928 km (0.115 R)
• M9: 6,196,493 km (0.09 R)
• M10: 6,892,722 km (0.087 R)
• M11: 7,916,420 km (0.074 R)
• M12: 9,932,850 km (0.064 R)
• M13: 10,943,383 km (0.068 R)
• M14: 14,108,126 km (0.105 R)
• M15: 15,824,313 km (0.094 R)
• M16: 19,752,005 km (0.107 R)
• M17: 22,172,050 km (0.074 R)
• M18: 22,452,546 km (0.117 R)
• M19: 24,087,352 km (0.103 R)
• M20: 41,804,377 km (0.104 R)
• M21: 48,542,714 km (0.094 R)
• M22: 52,914,412 km (0.082 R)
• M23: 54,768,379 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.4

Radius: 7.3

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 10.22 AU - 14.86 AU

Year: 16468 Days

Day: 24.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,211,126 km

• M1: 92,451 km (0.094 R)
• M2: 584,928 km (0.098 R)
• M3: 1,182,721 km (0.062 R)
• M4: 1,907,971 km (0.102 R)
• M5: 2,779,828 km (0.096 R)
• M6: 3,493,559 km (0.104 R)
• M7: 4,043,630 km (0.113 R)
• M8: 5,098,595 km (0.077 R)
• M9: 7,460,296 km (0.105 R)
• M10: 9,352,709 km (0.025 R)
• M11: 13,363,279 km (0.119 R)
• M12: 21,509,032 km (0.12 R)
• M13: 22,849,280 km (0.042 R)
• M14: 30,276,215 km (0.09 R)
• M15: 42,033,411 km (0.112 R)
• M16: 45,812,104 km (0.118 R)
• M17: 50,471,928 km (0.107 R)
• M18: 50,971,286 km (0.103 R)
• M19: 58,495,610 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.5

Radius: 4.3

Gravity: 31.18 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 15.86 AU - 18.4 AU

Year: 26293 Days

Day: 19 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,211,126 km

• M1: 53,556 km (0.12 R)
• M2: 187,895 km (0.056 R)
• M3: 491,878 km (0.079 R)
• M4: 663,317 km (0.067 R)
• M5: 817,702 km (0.081 R)
• M6: 1,008,888 km (0.111 R)
• M7: 1,806,544 km (0.045 R)
• M8: 2,069,088 km (0.1 R)
• M9: 4,818,547 km (0.036 R)
• M10: 5,567,584 km (0.098 R)
• M11: 6,999,684 km (0.104 R)
• M12: 7,392,678 km (0.12 R)
• M13: 9,581,893 km (0.111 R)
• M14: 10,314,474 km (0.066 R)
• M15: 21,189,192 km (0.055 R)
• M16: 21,699,620 km (0.049 R)
• M17: 48,081,354 km (0.118 R)
• M18: 55,622,732 km (0.088 R)
• M19: 58,567,566 km (0.075 R)
• M20: 62,862,372 km (0.079 R)
• M21: 63,071,958 km (0.076 R)
• M22: 63,281,994 km (0.099 R)
• M23: 68,908,818 km (0.114 R)
• M24: 73,225,315 km (0.055 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 15,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit