🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.7 AU - 0.94 AU

Year: 267 Days

Day: 44.6 Hours

Environment

Temp: 176 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,367,250 km

• M1: 36,203 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.57 AU - 2.23 AU

Year: 943 Days

Day: 30.5 Hours

Environment

Temp: -65 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.7

Radius: 13

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 10 AU - 11.56 AU

Year: 12738 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,367,250 km

• M1: 171,290 km (0.109 R)
• M2: 666,608 km (0.098 R)
• M3: 1,213,837 km (0.062 R)
• M4: 2,169,319 km (0.112 R)
• M5: 2,925,985 km (0.054 R)
• M6: 4,112,445 km (0.104 R)
• M7: 5,239,815 km (0.12 R)
• M8: 5,857,205 km (0.105 R)
• M9: 7,065,358 km (0.109 R)
• M10: 8,337,089 km (0.108 R)
• M11: 9,027,484 km (0.089 R)
• M12: 10,134,508 km (0.081 R)
• M13: 14,976,841 km (0.085 R)
• M14: 16,910,244 km (0.116 R)
• M15: 24,291,553 km (0.103 R)
• M16: 25,292,662 km (0.05 R)
• M17: 27,057,468 km (0.083 R)
• M18: 29,686,800 km (0.043 R)
• M19: 33,943,607 km (0.111 R)
• M20: 34,816,212 km (0.112 R)
• M21: 39,816,072 km (0.079 R)
• M22: 43,792,981 km (0.032 R)
• M23: 44,234,146 km (0.116 R)
• M24: 46,637,585 km (0.09 R)
• M25: 53,862,265 km (0.044 R)
• M26: 54,708,390 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.9

Radius: 7.2

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 10.4 AU - 15.54 AU

Year: 16811 Days

Day: 15.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,367,250 km

• M1: 89,609 km (0.066 R)
• M2: 351,256 km (0.112 R)
• M3: 610,659 km (0.099 R)
• M4: 900,729 km (0.083 R)
• M5: 1,519,466 km (0.113 R)
• M6: 1,803,552 km (0.075 R)
• M7: 3,051,348 km (0.075 R)
• M8: 4,827,673 km (0.052 R)
• M9: 6,035,376 km (0.079 R)
• M10: 8,307,170 km (0.114 R)
• M11: 9,357,197 km (0.116 R)
• M12: 10,552,335 km (0.073 R)
• M13: 11,403,546 km (0.083 R)
• M14: 12,900,124 km (0.091 R)
• M15: 13,730,691 km (0.12 R)
• M16: 15,269,455 km (0.099 R)
• M17: 17,412,444 km (0.107 R)
• M18: 18,772,738 km (0.077 R)
• M19: 19,568,299 km (0.111 R)
• M20: 20,386,151 km (0.078 R)
• M21: 23,276,980 km (0.082 R)
• M22: 24,194,763 km (0.119 R)
• M23: 34,607,822 km (0.08 R)
• M24: 37,299,835 km (0.098 R)
• M25: 37,576,442 km (0.071 R)
• M26: 42,491,630 km (0.044 R)
• M27: 45,259,489 km (0.111 R)
• M28: 46,208,239 km (0.079 R)
• M29: 47,008,887 km (0.071 R)
• M30: 54,814,006 km (0.091 R)
• M31: 61,878,915 km (0.11 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 15,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit