🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.76 AU - 0.86 AU

Year: 270 Days

Day: 23.1 Hours

Environment

Temp: 150 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.03 AU - 1.37 AU

Year: 488 Days

Day: 42.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.68 AU - 4.16 AU

Year: 2346 Days

Day: 32.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 159.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.4

Radius: 14.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.67 AU - 4.67 AU

Year: 3743 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,231,405 km

• M1: 185,352 km (0.063 R)
• M2: 658,530 km (0.107 R)
• M3: 1,155,494 km (0.05 R)
• M4: 2,479,884 km (0.089 R)
• M5: 2,944,984 km (0.112 R)
• M6: 3,624,607 km (0.117 R)
• M7: 4,295,254 km (0.076 R)
• M8: 4,803,588 km (0.113 R)
• M9: 5,914,950 km (0.111 R)
• M10: 6,696,599 km (0.035 R)
• M11: 7,416,015 km (0.118 R)
• M12: 8,717,367 km (0.039 R)
• M13: 11,332,787 km (0.107 R)
• M14: 14,639,199 km (0.107 R)
• M15: 15,691,171 km (0.057 R)
• M16: 16,291,059 km (0.094 R)
• M17: 17,769,833 km (0.063 R)
• M18: 18,967,065 km (0.095 R)
• M19: 19,773,697 km (0.086 R)
• M20: 22,399,588 km (0.072 R)
• M21: 24,154,521 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 10.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.05 AU - 5.57 AU

Year: 3912 Days

Day: 14.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,231,405 km

• M1: 133,142 km (0.118 R)
• M2: 648,208 km (0.047 R)
• M3: 1,334,263 km (0.088 R)
• M4: 2,160,343 km (0.09 R)
• M5: 2,745,271 km (0.113 R)
• M6: 3,355,480 km (0.115 R)
• M7: 5,493,683 km (0.036 R)
• M8: 6,374,365 km (0.116 R)
• M9: 7,151,227 km (0.032 R)
• M10: 7,885,753 km (0.03 R)
• M11: 8,523,638 km (0.041 R)
• M12: 10,772,543 km (0.116 R)
• M13: 12,569,811 km (0.095 R)
• M14: 13,292,668 km (0.119 R)
• M15: 14,094,064 km (0.098 R)
• M16: 15,848,398 km (0.102 R)
• M17: 16,692,130 km (0.098 R)
• M18: 17,923,321 km (0.059 R)
• M19: 19,785,814 km (0.093 R)
• M20: 20,238,348 km (0.113 R)
• M21: 23,242,572 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.7

Radius: 11.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.96 AU - 7.92 AU

Year: 6780 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,231,405 km

• M1: 140,622 km (0.073 R)
• M2: 700,567 km (0.118 R)
• M3: 1,182,571 km (0.054 R)
• M4: 1,775,428 km (0.116 R)
• M5: 3,369,692 km (0.046 R)
• M6: 4,368,707 km (0.1 R)
• M7: 6,809,994 km (0.098 R)
• M8: 10,133,760 km (0.112 R)
• M9: 11,559,278 km (0.067 R)
• M10: 12,854,646 km (0.079 R)
• M11: 13,430,747 km (0.071 R)
• M12: 18,879,251 km (0.099 R)
• M13: 20,459,005 km (0.095 R)
• M14: 22,125,226 km (0.111 R)
• M15: 24,912,234 km (0.117 R)
• M16: 26,641,735 km (0.117 R)
• M17: 31,079,706 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.6

Radius: 3

Gravity: 27.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 10.67 AU - 17.33 AU

Year: 19427 Days

Day: 16.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,231,405 km

• M1: 37,399 km (0.115 R)
• M2: 148,850 km (0.107 R)
• M3: 352,752 km (0.118 R)
• M4: 710,141 km (0.059 R)
• M5: 929,751 km (0.054 R)
• M6: 1,084,285 km (0.088 R)
• M7: 1,205,011 km (0.093 R)
• M8: 2,477,939 km (0.093 R)
• M9: 3,290,854 km (0.116 R)
• M10: 3,730,373 km (0.076 R)
• M11: 4,034,954 km (0.112 R)
• M12: 4,852,357 km (0.056 R)
• M13: 7,430,825 km (0.032 R)
• M14: 8,001,541 km (0.057 R)
• M15: 13,981,866 km (0.099 R)
• M16: 18,518,421 km (0.1 R)
• M17: 19,809,301 km (0.088 R)
• M18: 20,476,657 km (0.057 R)
• M19: 23,021,467 km (0.1 R)
• M20: 27,068,987 km (0.108 R)
• M21: 27,683,236 km (0.113 R)
• M22: 30,124,374 km (0.097 R)
• M23: 30,783,951 km (0.116 R)
• M24: 31,565,600 km (0.079 R)
• M25: 34,108,315 km (0.036 R)
• M26: 38,173,038 km (0.115 R)
• M27: 40,122,897 km (0.098 R)
• M28: 42,274,563 km (0.088 R)
• M29: 45,357,177 km (0.095 R)
• M30: 51,028,432 km (0.093 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: 363 - 13,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit