🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.39 AU - 0.63 AU

Year: 239 Days

Day: 24.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 13.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.2 AU - 1.66 AU

Year: 1122 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,355,618 km

• M1: 167,998 km (0.077 R)
• M2: 698,323 km (0.074 R)
• M3: 1,221,766 km (0.117 R)
• M4: 1,774,231 km (0.096 R)
• M5: 2,889,184 km (0.099 R)
• M6: 3,537,242 km (0.107 R)
• M7: 4,395,036 km (0.07 R)
• M8: 9,324,734 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 8.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.93 AU - 4.73 AU

Year: 4917 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,355,618 km

• M1: 111,450 km (0.08 R)
• M2: 458,517 km (0.076 R)
• M3: 739,612 km (0.091 R)
• M4: 1,091,466 km (0.117 R)
• M5: 1,664,276 km (0.118 R)
• M6: 2,240,378 km (0.063 R)
• M7: 2,544,809 km (0.081 R)
• M8: 7,376,521 km (0.108 R)
• M9: 8,777,206 km (0.089 R)
• M10: 12,361,122 km (0.081 R)
• M11: 15,434,910 km (0.043 R)
• M12: 16,329,954 km (0.052 R)
• M13: 19,043,659 km (0.1 R)
• M14: 19,644,744 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.6

Radius: 3.3

Gravity: 67.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.82 AU - 10.54 AU

Year: 19757 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 77,355,618 km

• M1: 40,990 km (0.093 R)
• M2: 181,462 km (0.112 R)
• M3: 538,552 km (0.112 R)
• M4: 898,485 km (0.059 R)
• M5: 1,368,821 km (0.113 R)
• M6: 1,512,584 km (0.103 R)
• M7: 2,005,808 km (0.042 R)
• M8: 2,149,422 km (0.082 R)
• M9: 2,389,228 km (0.083 R)
• M10: 2,574,430 km (0.075 R)
• M11: 2,973,856 km (0.114 R)
• M12: 3,161,003 km (0.112 R)
• M13: 5,408,711 km (0.072 R)
• M14: 7,180,698 km (0.104 R)
• M15: 9,248,888 km (0.103 R)
• M16: 9,880,341 km (0.097 R)
• M17: 9,998,224 km (0.101 R)
• M18: 12,487,832 km (0.087 R)
• M19: 13,186,903 km (0.116 R)
• M20: 13,473,831 km (0.113 R)
• M21: 15,519,582 km (0.106 R)
• M22: 18,112,861 km (0.114 R)
• M23: 19,189,816 km (0.09 R)
• M24: 20,403,803 km (0.115 R)
• M25: 23,608,190 km (0.115 R)
• M26: 28,539,384 km (0.106 R)
• M27: 29,018,995 km (0.09 R)
• M28: 29,382,219 km (0.084 R)
• M29: 32,527,813 km (0.109 R)
• M30: 35,890,624 km (0.044 R)
• M31: 38,596,101 km (0.032 R)
• M32: 38,742,109 km (0.109 R)
• M33: 40,977,250 km (0.068 R)
• M34: 43,770,841 km (0.112 R)
• M35: 45,214,161 km (0.109 R)
• M36: 45,539,088 km (0.096 R)
• M37: 50,777,556 km (0.115 R)
• M38: 54,178,814 km (0.092 R)
• M39: 56,780,021 km (0.117 R)
• M40: 61,231,904 km (0.115 R)
• M41: 64,462,470 km (0.071 R)
• M42: 67,592,507 km (0.085 R)
• M43: 72,364,230 km (0.045 R)
• M44: 75,743,347 km (0.066 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 16,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit