🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.7 AU - 0.8 AU

Year: 240 Days

Day: 16.3 Hours

Environment

Temp: 107 °C

Axial Tilt: 39.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.73 AU - 0.89 AU

Year: 269 Days

Day: 35 Hours

Environment

Temp: 115 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.85 AU - 1.05 AU

Year: 342 Days

Day: 28 Hours

Environment

Temp: 32 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 100,141,163 km

• M1: 30,967 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.8 AU - 1.28 AU

Year: 391 Days

Day: 27.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 57.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.41 AU - 1.53 AU

Year: 658 Days

Day: 17.6 Hours

Environment

Temp: -42 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,141,163 km

• M1: 36,951 km (0.059 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.88 AU - 2.08 AU

Year: 1028 Days

Day: 13.7 Hours

Environment

Temp: -60 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.24 AU - 4.38 AU

Year: 2744 Days

Day: 13.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.58 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.7

Radius: 7.9

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 16.51 AU - 18.17 AU

Year: 26641 Days

Day: 21 Hours

Environment

Temp: -188 °C

Axial Tilt: 94.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 100,141,163 km

• M1: 98,735 km (0.103 R)
• M2: 442,959 km (0.117 R)
• M3: 717,621 km (0.112 R)
• M4: 989,590 km (0.071 R)
• M5: 1,462,319 km (0.1 R)
• M6: 2,373,520 km (0.067 R)
• M7: 3,948,187 km (0.084 R)
• M8: 4,440,663 km (0.062 R)
• M9: 5,851,371 km (0.041 R)
• M10: 7,027,061 km (0.079 R)
• M11: 18,779,769 km (0.031 R)
• M12: 21,944,063 km (0.119 R)
• M13: 22,267,942 km (0.053 R)
• M14: 23,821,815 km (0.115 R)
• M15: 27,642,695 km (0.099 R)
• M16: 33,966,346 km (0.112 R)
• M17: 34,255,070 km (0.045 R)
• M18: 36,623,504 km (0.091 R)
• M19: 43,525,650 km (0.103 R)
• M20: 52,970,661 km (0.119 R)
• M21: 53,749,169 km (0.057 R)
• M22: 54,141,265 km (0.099 R)
• M23: 55,129,807 km (0.076 R)
• M24: 55,528,486 km (0.078 R)
• M25: 58,167,691 km (0.057 R)
• M26: 58,581,030 km (0.069 R)
• M27: 60,676,896 km (0.113 R)
• M28: 67,947,802 km (0.11 R)
• M29: 68,636,251 km (0.073 R)
• M30: 69,329,338 km (0.106 R)
• M31: 73,104,739 km (0.077 R)
• M32: 75,778,502 km (0.116 R)
• M33: 82,096,020 km (0.045 R)
• M34: 84,453,683 km (0.112 R)
• M35: 89,303,646 km (0.07 R)
• M36: 92,357,088 km (0.102 R)
• M37: 94,335,968 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.6

Radius: 4.9

Gravity: 27.51 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 18.41 AU - 19.75 AU

Year: 30750 Days

Day: 23.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 100,141,163 km

• M1: 61,036 km (0.119 R)
• M2: 242,648 km (0.036 R)
• M3: 634,893 km (0.063 R)
• M4: 898,186 km (0.117 R)
• M5: 1,055,563 km (0.105 R)
• M6: 1,393,205 km (0.105 R)
• M7: 3,857,231 km (0.03 R)
• M8: 4,848,018 km (0.097 R)
• M9: 5,952,050 km (0.06 R)
• M10: 9,488,095 km (0.101 R)
• M11: 24,494,557 km (0.066 R)
• M12: 28,056,033 km (0.114 R)
• M13: 34,095,000 km (0.035 R)
• M14: 36,642,802 km (0.1 R)
• M15: 42,113,596 km (0.094 R)
• M16: 52,074,420 km (0.101 R)
• M17: 62,613,740 km (0.091 R)
• M18: 63,717,623 km (0.09 R)
• M19: 76,980,072 km (0.098 R)
• M20: 79,526,976 km (0.11 R)
• M21: 89,160,032 km (0.066 R)
• M22: 95,996,355 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 12,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit