🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.7 AU - 1 AU

Year: 294 Days

Day: 44.8 Hours

Environment

Temp: 82 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.82 AU - 1.3 AU

Year: 409 Days

Day: 39.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,768,868 km

• M1: 111,899 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.92 AU - 1.28 AU

Year: 432 Days

Day: 24.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.66 AU - 1.82 AU

Year: 860 Days

Day: 29.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 9

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.54 AU - 9.66 AU

Year: 10287 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,768,868 km

• M1: 111,899 km (0.103 R)
• M2: 404,064 km (0.114 R)
• M3: 1,405,322 km (0.098 R)
• M4: 2,489,159 km (0.105 R)
• M5: 3,193,765 km (0.084 R)
• M6: 6,454,999 km (0.034 R)
• M7: 7,821,874 km (0.105 R)
• M8: 8,549,818 km (0.044 R)
• M9: 13,131,851 km (0.09 R)
• M10: 14,964,275 km (0.06 R)
• M11: 15,308,649 km (0.096 R)
• M12: 17,335,551 km (0.105 R)
• M13: 18,888,676 km (0.081 R)
• M14: 23,265,610 km (0.062 R)
• M15: 25,055,549 km (0.101 R)
• M16: 30,530,981 km (0.071 R)
• M17: 30,973,940 km (0.051 R)
• M18: 31,759,478 km (0.086 R)
• M19: 33,722,502 km (0.057 R)
• M20: 34,434,139 km (0.061 R)
• M21: 41,432,028 km (0.097 R)
• M22: 47,373,607 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.3

Radius: 5.5

Gravity: 20.74 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 10.53 AU - 14.97 AU

Year: 17061 Days

Day: 21.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,768,868 km

• M1: 68,815 km (0.106 R)
• M2: 242,947 km (0.071 R)
• M3: 568,322 km (0.059 R)
• M4: 1,654,403 km (0.113 R)
• M5: 4,160,018 km (0.11 R)
• M6: 5,346,927 km (0.07 R)
• M7: 8,023,532 km (0.042 R)
• M8: 8,823,582 km (0.096 R)
• M9: 9,840,997 km (0.077 R)
• M10: 11,916,069 km (0.086 R)
• M11: 14,408,818 km (0.106 R)
• M12: 16,590,404 km (0.066 R)
• M13: 17,554,113 km (0.045 R)
• M14: 20,943,851 km (0.044 R)
• M15: 25,473,525 km (0.087 R)
• M16: 26,754,083 km (0.082 R)
• M17: 34,831,321 km (0.064 R)
• M18: 38,859,244 km (0.075 R)
• M19: 43,938,091 km (0.072 R)
• M20: 47,030,130 km (0.061 R)
• M21: 56,274,530 km (0.09 R)

Asteroid Belt

Center: 13.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.7

Radius: 7.6

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 12.89 AU - 14.95 AU

Year: 19462 Days

Day: 18 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,768,868 km

• M1: 94,546 km (0.083 R)
• M2: 419,024 km (0.092 R)
• M3: 898,784 km (0.114 R)
• M4: 1,543,551 km (0.082 R)
• M5: 2,442,484 km (0.082 R)
• M6: 2,690,518 km (0.068 R)
• M7: 3,482,638 km (0.089 R)
• M8: 6,275,780 km (0.095 R)
• M9: 6,920,697 km (0.077 R)
• M10: 7,374,577 km (0.059 R)
• M11: 9,174,688 km (0.078 R)
• M12: 9,556,013 km (0.105 R)
• M13: 12,461,951 km (0.077 R)
• M14: 12,795,106 km (0.102 R)
• M15: 15,600,216 km (0.111 R)
• M16: 17,766,393 km (0.078 R)
• M17: 20,125,551 km (0.096 R)
• M18: 20,862,919 km (0.079 R)
• M19: 23,182,733 km (0.088 R)
• M20: 24,717,009 km (0.077 R)
• M21: 25,137,229 km (0.095 R)
• M22: 29,137,028 km (0.112 R)
• M23: 32,401,403 km (0.091 R)
• M24: 32,778,539 km (0.109 R)
• M25: 33,413,582 km (0.109 R)
• M26: 35,367,929 km (0.101 R)
• M27: 42,132,595 km (0.101 R)
• M28: 43,337,905 km (0.111 R)
• M29: 44,411,269 km (0.045 R)
• M30: 47,091,615 km (0.114 R)
• M31: 54,703,753 km (0.07 R)
• M32: 56,318,512 km (0.112 R)
• M33: 56,681,736 km (0.079 R)
• M34: 59,643,175 km (0.059 R)
• M35: 60,209,702 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 15,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit