🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.16 AU - 1.28 AU

Year: 495 Days

Day: 35.6 Hours

Environment

Temp: -13 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.29 AU - 1.31 AU

Year: 544 Days

Day: 13.1 Hours

Environment

Temp: -19 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.46 AU - 1.62 AU

Year: 702 Days

Day: 43.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,392,649 km

• M1: 62,682 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.26 AU - 2.1 AU

Year: 799 Days

Day: 27.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.7

Radius: 11.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.95 AU - 9.49 AU

Year: 9453 Days

Day: 13.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,392,649 km

• M1: 144,512 km (0.097 R)
• M2: 649,255 km (0.089 R)
• M3: 1,468,303 km (0.095 R)
• M4: 1,996,533 km (0.112 R)
• M5: 2,629,931 km (0.111 R)
• M6: 3,623,410 km (0.044 R)
• M7: 4,064,574 km (0.115 R)
• M8: 5,965,365 km (0.111 R)
• M9: 7,092,435 km (0.083 R)
• M10: 8,314,650 km (0.112 R)
• M11: 18,170,756 km (0.053 R)
• M12: 19,102,003 km (0.104 R)
• M13: 22,409,761 km (0.06 R)
• M14: 22,817,565 km (0.095 R)
• M15: 23,564,357 km (0.098 R)
• M16: 25,723,952 km (0.082 R)
• M17: 35,247,054 km (0.095 R)
• M18: 38,412,844 km (0.08 R)
• M19: 38,880,038 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.1

Radius: 7.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 13.16 AU - 20.8 AU

Year: 25685 Days

Day: 20.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,392,649 km

• M1: 94,546 km (0.12 R)
• M2: 639,830 km (0.077 R)
• M3: 1,369,419 km (0.118 R)
• M4: 1,926,671 km (0.101 R)
• M5: 2,776,088 km (0.086 R)
• M6: 3,434,019 km (0.096 R)
• M7: 3,854,240 km (0.034 R)
• M8: 5,255,672 km (0.052 R)
• M9: 5,671,106 km (0.116 R)
• M10: 8,313,154 km (0.109 R)
• M11: 11,223,879 km (0.085 R)
• M12: 13,760,162 km (0.117 R)
• M13: 16,146,697 km (0.104 R)
• M14: 18,244,508 km (0.103 R)
• M15: 21,721,910 km (0.059 R)
• M16: 30,611,614 km (0.058 R)
• M17: 32,525,419 km (0.119 R)
• M18: 44,282,615 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255

Radius: 5.3

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 14.7 AU - 21.74 AU

Year: 28549 Days

Day: 19.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,392,649 km

• M1: 67,618 km (0.049 R)
• M2: 232,774 km (0.1 R)
• M3: 579,991 km (0.055 R)
• M4: 866,172 km (0.108 R)
• M5: 1,270,385 km (0.075 R)
• M6: 1,523,505 km (0.104 R)
• M7: 1,722,021 km (0.075 R)
• M8: 2,445,776 km (0.104 R)
• M9: 2,987,619 km (0.107 R)
• M10: 3,193,765 km (0.08 R)
• M11: 3,751,167 km (0.109 R)
• M12: 4,536,256 km (0.091 R)
• M13: 4,705,451 km (0.069 R)
• M14: 5,129,113 km (0.09 R)
• M15: 6,133,961 km (0.11 R)
• M16: 6,726,219 km (0.116 R)
• M17: 6,991,456 km (0.109 R)
• M18: 7,309,651 km (0.077 R)
• M19: 7,495,751 km (0.12 R)
• M20: 8,172,232 km (0.036 R)
• M21: 10,328,686 km (0.033 R)
• M22: 11,981,742 km (0.1 R)
• M23: 12,175,621 km (0.118 R)
• M24: 14,669,268 km (0.112 R)
• M25: 15,040,420 km (0.09 R)
• M26: 19,281,071 km (0.106 R)
• M27: 21,198,168 km (0.052 R)
• M28: 22,741,420 km (0.106 R)
• M29: 22,939,487 km (0.113 R)
• M30: 23,641,699 km (0.106 R)
• M31: 30,618,944 km (0.119 R)
• M32: 32,211,713 km (0.091 R)
• M33: 35,961,982 km (0.093 R)
• M34: 40,571,990 km (0.092 R)
• M35: 47,149,210 km (0.079 R)
• M36: 48,283,162 km (0.099 R)
• M37: 58,385,805 km (0.115 R)
• M38: 61,593,632 km (0.103 R)
• M39: 63,730,787 km (0.049 R)
• M40: 68,563,995 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 12,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit