🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.42 AU - 0.58 AU

Year: 159 Days

Day: 19.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.77 AU - 0.89 AU

Year: 340 Days

Day: 18.4 Hours

Environment

Temp: -46 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.77 AU - 1.13 AU

Year: 416 Days

Day: 46 Hours

Environment

Temp: -67 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.33 AU - 2.15 AU

Year: 1032 Days

Day: 43.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,695,797 km

• M1: 49,816 km (0.104 R)
• M2: 1,138,889 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 11.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.01 AU - 2.75 AU

Year: 1651 Days

Day: 14.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,695,797 km

• M1: 146,756 km (0.098 R)
• M2: 546,930 km (0.078 R)
• M3: 1,104,032 km (0.111 R)
• M4: 1,522,607 km (0.057 R)
• M5: 2,145,233 km (0.083 R)
• M6: 4,591,308 km (0.085 R)
• M7: 5,721,221 km (0.065 R)
• M8: 6,445,424 km (0.075 R)
• M9: 7,435,762 km (0.093 R)
• M10: 9,779,362 km (0.102 R)
• M11: 11,429,277 km (0.113 R)
• M12: 12,138,670 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 9.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.04 AU - 4.64 AU

Year: 3383 Days

Day: 10.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,695,797 km

• M1: 119,529 km (0.062 R)
• M2: 429,795 km (0.078 R)
• M3: 742,155 km (0.074 R)
• M4: 1,340,098 km (0.03 R)
• M5: 1,658,741 km (0.092 R)
• M6: 2,123,392 km (0.117 R)
• M7: 2,891,577 km (0.118 R)
• M8: 4,862,380 km (0.101 R)
• M9: 6,089,232 km (0.082 R)
• M10: 6,393,663 km (0.062 R)
• M11: 7,115,922 km (0.09 R)
• M12: 10,594,222 km (0.117 R)
• M13: 13,176,281 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11

Radius: 4.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.53 AU - 11.09 AU

Year: 14884 Days

Day: 21.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,695,797 km

• M1: 70,311 km (0.086 R)
• M2: 275,260 km (0.11 R)
• M3: 565,929 km (0.099 R)
• M4: 1,371,364 km (0.115 R)
• M5: 1,639,742 km (0.117 R)
• M6: 1,863,541 km (0.101 R)
• M7: 3,968,832 km (0.103 R)
• M8: 5,355,305 km (0.111 R)
• M9: 6,872,975 km (0.087 R)
• M10: 8,624,467 km (0.099 R)
• M11: 8,878,634 km (0.113 R)
• M12: 9,170,349 km (0.045 R)
• M13: 11,546,861 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.1

Radius: 5.6

Gravity: 24.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 11.37 AU - 16.05 AU

Year: 22823 Days

Day: 24.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,695,797 km

• M1: 70,012 km (0.074 R)
• M2: 264,339 km (0.09 R)
• M3: 645,216 km (0.102 R)
• M4: 942,616 km (0.03 R)
• M5: 1,359,246 km (0.095 R)
• M6: 2,204,325 km (0.094 R)
• M7: 2,479,435 km (0.11 R)
• M8: 3,689,083 km (0.12 R)
• M9: 4,421,963 km (0.044 R)
• M10: 4,637,833 km (0.062 R)
• M11: 5,168,756 km (0.092 R)
• M12: 6,487,611 km (0.079 R)
• M13: 7,005,219 km (0.102 R)
• M14: 8,283,384 km (0.085 R)
• M15: 9,530,581 km (0.091 R)
• M16: 10,833,130 km (0.11 R)
• M17: 12,109,948 km (0.091 R)
• M18: 16,196,812 km (0.109 R)
• M19: 17,323,583 km (0.105 R)
• M20: 20,715,116 km (0.115 R)
• M21: 23,969,319 km (0.101 R)
• M22: 24,524,177 km (0.077 R)
• M23: 25,315,400 km (0.081 R)
• M24: 27,428,022 km (0.096 R)
• M25: 28,650,984 km (0.045 R)
• M26: 34,465,853 km (0.094 R)
• M27: 42,942,069 km (0.083 R)
• M28: 43,760,220 km (0.109 R)
• M29: 49,960,303 km (0.109 R)
• M30: 50,320,984 km (0.053 R)
• M31: 51,047,431 km (0.067 R)
• M32: 51,780,909 km (0.098 R)
• M33: 55,168,703 km (0.094 R)
• M34: 60,932,709 km (0.097 R)
• M35: 63,853,757 km (0.073 R)
• M36: 68,630,118 km (0.09 R)
• M37: 79,621,073 km (0.096 R)
• M38: 81,352,220 km (0.073 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: 398 - 17,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit