🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.86 AU - 0.94 AU

Year: 320 Days

Day: 12.1 Hours

Environment

Temp: 22 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,680,451 km

• M1: 19,597 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.63 AU - 2.47 AU

Year: 1100 Days

Day: 37 Hours

Environment

Temp: -87 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.31 AU - 2.39 AU

Year: 1350 Days

Day: 14.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,680,451 km

• M1: 1,240,166 km (0.077 R)

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.2

Radius: 14.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.86 AU - 5.68 AU

Year: 4534 Days

Day: 5.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,680,451 km

• M1: 175,329 km (0.098 R)
• M2: 933,341 km (0.116 R)
• M3: 1,560,605 km (0.075 R)
• M4: 2,339,262 km (0.04 R)
• M5: 3,061,072 km (0.038 R)
• M6: 3,670,533 km (0.096 R)
• M7: 4,431,538 km (0.09 R)
• M8: 5,241,909 km (0.101 R)
• M9: 5,739,921 km (0.04 R)
• M10: 6,767,658 km (0.117 R)
• M11: 8,610,105 km (0.088 R)
• M12: 9,070,119 km (0.097 R)
• M13: 9,668,211 km (0.111 R)
• M14: 10,207,811 km (0.039 R)
• M15: 13,775,421 km (0.12 R)
• M16: 14,783,112 km (0.107 R)
• M17: 19,441,440 km (0.089 R)
• M18: 21,259,204 km (0.088 R)
• M19: 23,041,064 km (0.066 R)
• M20: 24,613,038 km (0.059 R)
• M21: 25,464,550 km (0.101 R)
• M22: 26,255,623 km (0.086 R)
• M23: 26,738,076 km (0.093 R)
• M24: 27,720,785 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.3

Radius: 13.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.77 AU - 7.63 AU

Year: 7240 Days

Day: 6.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,680,451 km

• M1: 167,849 km (0.103 R)
• M2: 676,033 km (0.078 R)
• M3: 1,490,444 km (0.045 R)
• M4: 1,993,840 km (0.09 R)
• M5: 3,902,859 km (0.065 R)
• M6: 4,559,294 km (0.046 R)
• M7: 6,511,547 km (0.111 R)
• M8: 7,811,402 km (0.078 R)
• M9: 9,355,402 km (0.101 R)
• M10: 24,741,244 km (0.067 R)
• M11: 25,501,201 km (0.093 R)
• M12: 26,120,237 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.5

Radius: 14

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.81 AU - 9.29 AU

Year: 9369 Days

Day: 12.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,680,451 km

• M1: 186,100 km (0.105 R)
• M2: 622,327 km (0.085 R)
• M3: 1,693,149 km (0.049 R)
• M4: 3,421,453 km (0.104 R)
• M5: 4,144,908 km (0.097 R)
• M6: 4,583,828 km (0.104 R)
• M7: 5,227,548 km (0.09 R)
• M8: 5,710,450 km (0.098 R)
• M9: 8,755,515 km (0.055 R)
• M10: 9,265,195 km (0.108 R)
• M11: 10,531,989 km (0.09 R)
• M12: 11,656,666 km (0.115 R)
• M13: 13,022,644 km (0.104 R)
• M14: 14,144,179 km (0.112 R)
• M15: 14,788,049 km (0.084 R)
• M16: 16,071,299 km (0.052 R)
• M17: 16,967,390 km (0.081 R)
• M18: 17,694,586 km (0.093 R)
• M19: 20,738,304 km (0.111 R)
• M20: 22,660,188 km (0.101 R)
• M21: 25,546,828 km (0.109 R)
• M22: 26,590,573 km (0.109 R)
• M23: 30,083,982 km (0.105 R)
• M24: 31,543,609 km (0.112 R)

Asteroid Belt

Center: 8.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.6

Radius: 10.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.17 AU - 10.43 AU

Year: 10628 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,680,451 km

• M1: 125,662 km (0.105 R)
• M2: 463,604 km (0.094 R)
• M3: 785,688 km (0.034 R)
• M4: 1,170,304 km (0.103 R)
• M5: 1,708,258 km (0.104 R)
• M6: 2,370,528 km (0.103 R)
• M7: 3,390,486 km (0.063 R)
• M8: 4,383,517 km (0.073 R)
• M9: 5,166,063 km (0.093 R)
• M10: 7,567,259 km (0.052 R)
• M11: 8,359,679 km (0.115 R)
• M12: 9,878,396 km (0.053 R)
• M13: 10,391,517 km (0.098 R)
• M14: 11,169,725 km (0.076 R)
• M15: 11,778,439 km (0.103 R)
• M16: 12,624,265 km (0.076 R)
• M17: 15,842,714 km (0.06 R)
• M18: 16,741,797 km (0.102 R)
• M19: 17,270,625 km (0.086 R)
• M20: 18,153,702 km (0.111 R)
• M21: 19,138,205 km (0.056 R)
• M22: 20,907,948 km (0.072 R)
• M23: 22,225,905 km (0.103 R)
• M24: 23,270,398 km (0.038 R)
• M25: 28,054,238 km (0.12 R)
• M26: 28,706,635 km (0.097 R)
• M27: 29,273,910 km (0.118 R)
• M28: 29,656,132 km (0.099 R)
• M29: 33,559,889 km (0.109 R)
• M30: 33,978,613 km (0.062 R)
• M31: 35,797,574 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 17,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit