🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.47 AU - 0.63 AU

Year: 150 Days

Day: 28.3 Hours

Environment

Temp: 173 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 110,529,555 km

• M1: 44,730 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.5 AU - 1.66 AU

Year: 733 Days

Day: 30.4 Hours

Environment

Temp: -54 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.05 AU - 4.21 AU

Year: 2552 Days

Day: 15.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.57 AU - 4.67 AU

Year: 3085 Days

Day: 47.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 12.1

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.62 AU - 6.54 AU

Year: 5531 Days

Day: 6.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 110,529,555 km

• M1: 150,495 km (0.11 R)
• M2: 703,559 km (0.075 R)
• M3: 1,863,989 km (0.109 R)
• M4: 2,583,555 km (0.12 R)
• M5: 3,119,564 km (0.068 R)
• M6: 5,483,660 km (0.093 R)
• M7: 7,811,103 km (0.071 R)
• M8: 10,685,327 km (0.108 R)
• M9: 11,315,284 km (0.106 R)
• M10: 14,374,560 km (0.086 R)
• M11: 16,441,255 km (0.062 R)
• M12: 17,215,873 km (0.036 R)
• M13: 18,907,675 km (0.109 R)
• M14: 21,081,033 km (0.11 R)
• M15: 21,611,208 km (0.086 R)
• M16: 23,740,135 km (0.059 R)
• M17: 25,489,832 km (0.103 R)
• M18: 26,791,333 km (0.034 R)
• M19: 28,410,880 km (0.103 R)
• M20: 29,151,239 km (0.11 R)
• M21: 30,574,214 km (0.079 R)
• M22: 33,149,542 km (0.111 R)
• M23: 35,438,838 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.2

Radius: 5.7

Gravity: 17.67 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 15.7 AU - 18.36 AU

Year: 25930 Days

Day: 15.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 110,529,555 km

• M1: 207,343 km (0.052 R)
• M2: 953,836 km (0.058 R)
• M3: 1,982,321 km (0.034 R)
• M4: 3,450,475 km (0.112 R)
• M5: 7,232,608 km (0.101 R)
• M6: 9,033,168 km (0.063 R)
• M7: 11,577,529 km (0.086 R)
• M8: 12,545,577 km (0.081 R)
• M9: 13,195,579 km (0.112 R)
• M10: 13,566,283 km (0.113 R)
• M11: 14,251,142 km (0.099 R)
• M12: 17,754,126 km (0.091 R)
• M13: 19,607,494 km (0.067 R)
• M14: 27,226,364 km (0.087 R)
• M15: 29,179,962 km (0.06 R)
• M16: 46,550,519 km (0.065 R)
• M17: 55,233,479 km (0.046 R)
• M18: 63,036,204 km (0.069 R)
• M19: 69,070,085 km (0.074 R)
• M20: 79,067,711 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.1

Radius: 7.2

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 18.29 AU - 19.73 AU

Year: 30581 Days

Day: 15.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 110,529,555 km

• M1: 90,058 km (0.041 R)
• M2: 321,187 km (0.095 R)
• M3: 603,927 km (0.117 R)
• M4: 933,940 km (0.083 R)
• M5: 1,415,794 km (0.117 R)
• M6: 1,942,379 km (0.093 R)
• M7: 3,379,715 km (0.1 R)
• M8: 3,776,748 km (0.12 R)
• M9: 4,204,448 km (0.087 R)
• M10: 5,638,493 km (0.1 R)
• M11: 6,197,541 km (0.03 R)
• M12: 6,540,419 km (0.081 R)
• M13: 11,337,574 km (0.103 R)
• M14: 12,000,442 km (0.064 R)
• M15: 12,533,758 km (0.038 R)
• M16: 16,346,111 km (0.089 R)
• M17: 18,564,348 km (0.087 R)
• M18: 19,071,933 km (0.065 R)
• M19: 20,758,350 km (0.073 R)
• M20: 23,236,140 km (0.104 R)
• M21: 23,470,709 km (0.062 R)
• M22: 28,234,055 km (0.091 R)
• M23: 36,055,480 km (0.074 R)
• M24: 36,686,484 km (0.117 R)
• M25: 43,584,442 km (0.045 R)
• M26: 48,570,090 km (0.094 R)
• M27: 55,581,144 km (0.105 R)
• M28: 61,878,167 km (0.033 R)
• M29: 62,555,397 km (0.088 R)
• M30: 66,960,456 km (0.101 R)
• M31: 69,360,006 km (0.081 R)
• M32: 72,064,885 km (0.108 R)
• M33: 72,564,093 km (0.106 R)
• M34: 78,209,019 km (0.058 R)
• M35: 80,332,261 km (0.1 R)
• M36: 82,766,368 km (0.039 R)
• M37: 89,497,076 km (0.111 R)
• M38: 90,363,247 km (0.074 R)
• M39: 93,587,082 km (0.108 R)
• M40: 104,672,433 km (0.12 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: 499 - 16,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit