🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.53 AU - 0.55 AU

Year: 145 Days

Day: 44.5 Hours

Environment

Temp: 231 °C

Axial Tilt: 45 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.06 AU

Year: 328 Days

Day: 40.4 Hours

Environment

Temp: 145 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.02 AU - 1.24 AU

Year: 439 Days

Day: 18.7 Hours

Environment

Temp: 0 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.7

Radius: 14.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.31 AU - 9.07 AU

Year: 7789 Days

Day: 5.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,007,926 km

• M1: 176,525 km (0.059 R)
• M2: 771,925 km (0.032 R)
• M3: 1,989,352 km (0.066 R)
• M4: 2,526,110 km (0.117 R)
• M5: 4,847,270 km (0.111 R)
• M6: 5,310,724 km (0.086 R)
• M7: 5,803,799 km (0.103 R)
• M8: 7,504,128 km (0.097 R)
• M9: 7,950,528 km (0.085 R)
• M10: 8,487,884 km (0.087 R)
• M11: 9,516,220 km (0.063 R)
• M12: 10,754,741 km (0.076 R)
• M13: 11,368,241 km (0.094 R)
• M14: 12,285,276 km (0.089 R)
• M15: 13,152,196 km (0.051 R)
• M16: 14,581,604 km (0.098 R)
• M17: 16,225,385 km (0.101 R)
• M18: 19,108,136 km (0.067 R)
• M19: 22,246,550 km (0.106 R)
• M20: 23,316,623 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 14.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.69 AU - 10.31 AU

Year: 9051 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,007,926 km

• M1: 185,053 km (0.112 R)
• M2: 646,412 km (0.118 R)
• M3: 3,135,571 km (0.098 R)
• M4: 3,882,364 km (0.119 R)
• M5: 5,303,544 km (0.068 R)
• M6: 6,009,945 km (0.116 R)
• M7: 6,740,431 km (0.114 R)
• M8: 8,737,114 km (0.119 R)
• M9: 9,921,331 km (0.067 R)
• M10: 11,867,001 km (0.096 R)
• M11: 12,959,813 km (0.072 R)
• M12: 14,244,560 km (0.081 R)
• M13: 15,279,328 km (0.065 R)
• M14: 16,087,755 km (0.068 R)
• M15: 17,937,533 km (0.098 R)
• M16: 18,761,368 km (0.042 R)
• M17: 23,706,924 km (0.114 R)
• M18: 26,383,230 km (0.107 R)
• M19: 27,547,401 km (0.067 R)
• M20: 29,563,681 km (0.09 R)
• M21: 31,460,731 km (0.065 R)
• M22: 40,118,259 km (0.07 R)
• M23: 42,178,970 km (0.086 R)
• M24: 46,510,726 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 11.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.72 AU - 10.98 AU

Year: 11291 Days

Day: 12.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,007,926 km

• M1: 151,094 km (0.073 R)
• M2: 830,119 km (0.094 R)
• M3: 1,376,749 km (0.039 R)
• M4: 1,988,006 km (0.092 R)
• M5: 3,064,213 km (0.044 R)
• M6: 3,550,556 km (0.055 R)
• M7: 7,482,885 km (0.051 R)
• M8: 14,221,970 km (0.052 R)
• M9: 17,152,144 km (0.049 R)
• M10: 18,347,880 km (0.105 R)
• M11: 20,609,500 km (0.055 R)
• M12: 27,065,995 km (0.086 R)
• M13: 31,135,506 km (0.085 R)
• M14: 32,312,392 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.7

Radius: 4.5

Gravity: 47.54 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 11.38 AU - 18.4 AU

Year: 20986 Days

Day: 22.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 88,007,926 km

• M1: 55,950 km (0.07 R)
• M2: 204,201 km (0.092 R)
• M3: 346,917 km (0.099 R)
• M4: 621,878 km (0.091 R)
• M5: 836,102 km (0.11 R)
• M6: 1,226,852 km (0.069 R)
• M7: 1,865,186 km (0.117 R)
• M8: 2,502,623 km (0.082 R)
• M9: 3,216,653 km (0.067 R)
• M10: 3,762,686 km (0.032 R)
• M11: 4,091,502 km (0.12 R)
• M12: 5,233,083 km (0.076 R)
• M13: 6,479,533 km (0.081 R)
• M14: 8,124,062 km (0.047 R)
• M15: 8,395,433 km (0.114 R)
• M16: 10,788,250 km (0.103 R)
• M17: 12,422,757 km (0.059 R)
• M18: 13,224,302 km (0.06 R)
• M19: 18,770,045 km (0.071 R)
• M20: 20,117,772 km (0.105 R)
• M21: 20,414,724 km (0.078 R)
• M22: 23,766,614 km (0.071 R)
• M23: 25,572,410 km (0.039 R)
• M24: 26,154,944 km (0.057 R)
• M25: 29,074,795 km (0.117 R)
• M26: 30,094,454 km (0.098 R)
• M27: 33,295,848 km (0.105 R)
• M28: 34,978,675 km (0.066 R)
• M29: 36,717,152 km (0.077 R)
• M30: 36,864,655 km (0.114 R)
• M31: 40,365,545 km (0.077 R)
• M32: 43,091,218 km (0.057 R)
• M33: 48,905,489 km (0.109 R)
• M34: 50,345,817 km (0.088 R)
• M35: 51,999,472 km (0.118 R)
• M36: 57,177,353 km (0.071 R)
• M37: 63,321,787 km (0.081 R)
• M38: 67,211,930 km (0.109 R)
• M39: 68,543,052 km (0.055 R)
• M40: 74,515,298 km (0.1 R)
• M41: 76,901,533 km (0.027 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 12,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit