🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.39 AU - 0.61 AU

Year: 228 Days

Day: 25.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,379,234 km

• M1: 461,958 km (0.025 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.4 AU - 0.62 AU

Year: 235 Days

Day: 40.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 13.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.63 AU - 0.73 AU

Year: 362 Days

Day: 11.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,379,234 km

• M1: 167,998 km (0.089 R)
• M2: 592,707 km (0.073 R)
• M3: 1,093,860 km (0.112 R)
• M4: 1,692,700 km (0.119 R)
• M5: 2,115,912 km (0.06 R)
• M6: 2,668,826 km (0.103 R)
• M7: 3,435,515 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 11.5

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.72 AU - 0.82 AU

Year: 436 Days

Day: 14.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,379,234 km

• M1: 143,016 km (0.085 R)
• M2: 596,596 km (0.11 R)
• M3: 965,205 km (0.113 R)
• M4: 1,402,630 km (0.095 R)
• M5: 1,845,739 km (0.07 R)
• M6: 2,227,811 km (0.088 R)
• M7: 2,869,736 km (0.069 R)
• M8: 3,619,221 km (0.1 R)
• M9: 4,060,834 km (0.108 R)
• M10: 4,641,274 km (0.115 R)
• M11: 5,021,851 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 14.1

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.61 AU - 1.73 AU

Year: 1393 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,379,234 km

• M1: 175,478 km (0.106 R)
• M2: 864,975 km (0.108 R)
• M3: 1,303,745 km (0.108 R)
• M4: 1,776,325 km (0.105 R)
• M5: 2,342,852 km (0.087 R)
• M6: 2,807,503 km (0.097 R)
• M7: 3,363,110 km (0.064 R)
• M8: 3,927,094 km (0.092 R)
• M9: 4,554,058 km (0.109 R)
• M10: 5,406,018 km (0.104 R)
• M11: 5,860,048 km (0.093 R)
• M12: 6,520,522 km (0.117 R)
• M13: 8,149,194 km (0.085 R)
• M14: 8,748,334 km (0.114 R)
• M15: 9,642,480 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.2

Radius: 12.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.01 AU - 3.29 AU

Year: 2785 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,379,234 km

• M1: 151,692 km (0.105 R)
• M2: 684,261 km (0.066 R)
• M3: 1,235,080 km (0.058 R)
• M4: 1,828,535 km (0.103 R)
• M5: 2,429,469 km (0.081 R)
• M6: 2,906,238 km (0.099 R)
• M7: 3,390,337 km (0.083 R)
• M8: 3,827,910 km (0.09 R)
• M9: 5,474,235 km (0.091 R)
• M10: 6,584,401 km (0.068 R)
• M11: 9,429,752 km (0.048 R)
• M12: 10,419,043 km (0.112 R)
• M13: 11,350,589 km (0.08 R)
• M14: 12,030,810 km (0.106 R)
• M15: 18,956,444 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 13.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.67 AU - 4.93 AU

Year: 5757 Days

Day: 12.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,379,234 km

• M1: 172,636 km (0.073 R)
• M2: 611,406 km (0.106 R)
• M3: 1,143,077 km (0.034 R)
• M4: 1,852,620 km (0.059 R)
• M5: 2,505,016 km (0.12 R)
• M6: 3,083,960 km (0.09 R)
• M7: 3,895,828 km (0.074 R)
• M8: 4,677,477 km (0.042 R)
• M9: 5,172,795 km (0.056 R)
• M10: 6,093,271 km (0.097 R)
• M11: 7,175,911 km (0.106 R)
• M12: 7,602,713 km (0.091 R)
• M13: 9,315,310 km (0.086 R)
• M14: 13,193,335 km (0.115 R)
• M15: 14,544,503 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 14.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.05 AU - 6.45 AU

Year: 7767 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,379,234 km

• M1: 184,604 km (0.092 R)
• M2: 768,634 km (0.104 R)
• M3: 1,361,789 km (0.057 R)
• M4: 1,995,336 km (0.102 R)
• M5: 2,987,918 km (0.052 R)
• M6: 3,525,573 km (0.089 R)
• M7: 5,160,528 km (0.084 R)
• M8: 8,152,186 km (0.104 R)
• M9: 10,867,837 km (0.091 R)
• M10: 14,700,085 km (0.096 R)
• M11: 15,340,514 km (0.093 R)
• M12: 19,429,771 km (0.103 R)
• M13: 20,201,696 km (0.111 R)
• M14: 21,154,934 km (0.101 R)
• M15: 25,727,692 km (0.117 R)
• M16: 28,489,867 km (0.101 R)
• M17: 30,506,447 km (0.105 R)
• M18: 33,817,795 km (0.102 R)
• M19: 34,373,552 km (0.086 R)
• M20: 35,275,328 km (0.088 R)
• M21: 41,399,116 km (0.077 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: 297 - 13,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit