🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.66 AU - 0.68 AU

Year: 360 Days

Day: 36.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 119.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 4,143,083 km

• M1: 109,655 km (0.072 R)
• M2: 495,319 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 13.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.73 AU - 0.79 AU

Year: 435 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 4,143,083 km

• M1: 176,974 km (0.106 R)
• M2: 266,583 km (0.028 R)
• M3: 373,995 km (0.091 R)
• M4: 463,753 km (0.074 R)
• M5: 559,945 km (0.105 R)
• M6: 669,151 km (0.045 R)
• M7: 817,702 km (0.056 R)
• M8: 903,571 km (0.107 R)
• M9: 1,046,138 km (0.107 R)
• M10: 1,191,846 km (0.087 R)
• M11: 1,328,728 km (0.111 R)
• M12: 1,415,794 km (0.044 R)
• M13: 1,555,967 km (0.045 R)
• M14: 1,654,104 km (0.067 R)
• M15: 1,778,270 km (0.026 R)
• M16: 1,998,927 km (0.104 R)
• M17: 2,138,202 km (0.057 R)
• M18: 2,228,709 km (0.114 R)
• M19: 2,480,931 km (0.115 R)
• M20: 2,721,784 km (0.119 R)
• M21: 2,813,188 km (0.089 R)
• M22: 3,115,974 km (0.104 R)
• M23: 3,331,245 km (0.068 R)
• M24: 3,421,752 km (0.1 R)
• M25: 3,566,862 km (0.071 R)
• M26: 3,839,729 km (0.092 R)
• M27: 3,998,751 km (0.093 R)
• M28: 4,249,477 km (0.119 R)
• M29: 4,430,790 km (0.052 R)
• M30: 4,766,936 km (0.089 R)
• M31: 4,886,614 km (0.039 R)
• M32: 5,015,867 km (0.098 R)
• M33: 5,331,070 km (0.079 R)
• M34: 5,535,720 km (0.11 R)
• M35: 5,625,628 km (0.116 R)
• M36: 5,907,321 km (0.077 R)
• M37: 6,036,124 km (0.059 R)
• M38: 6,137,851 km (0.102 R)
• M39: 6,240,326 km (0.037 R)
• M40: 6,409,072 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.6

Radius: 14.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.73 AU - 0.83 AU

Year: 452 Days

Day: 10.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 4,143,083 km

• M1: 179,368 km (0.094 R)
• M2: 296,952 km (0.037 R)
• M3: 402,568 km (0.097 R)
• M4: 502,200 km (0.115 R)
• M5: 604,974 km (0.065 R)
• M6: 722,857 km (0.048 R)
• M7: 863,329 km (0.07 R)
• M8: 978,819 km (0.116 R)
• M9: 1,082,041 km (0.108 R)
• M10: 1,181,973 km (0.081 R)
• M11: 1,300,753 km (0.089 R)
• M12: 1,395,748 km (0.039 R)
• M13: 1,517,970 km (0.071 R)
• M14: 1,631,365 km (0.113 R)
• M15: 1,730,249 km (0.093 R)
• M16: 1,871,469 km (0.081 R)
• M17: 1,961,826 km (0.098 R)
• M18: 2,151,816 km (0.068 R)
• M19: 2,251,598 km (0.081 R)
• M20: 2,343,301 km (0.069 R)
• M21: 2,656,559 km (0.119 R)
• M22: 2,753,798 km (0.095 R)
• M23: 2,920,300 km (0.099 R)
• M24: 3,015,444 km (0.099 R)
• M25: 3,154,869 km (0.088 R)
• M26: 3,280,083 km (0.096 R)
• M27: 3,384,652 km (0.067 R)
• M28: 3,608,899 km (0.055 R)
• M29: 3,728,428 km (0.094 R)
• M30: 3,890,143 km (0.073 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 12,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit