🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.65 AU - 0.79 AU

Year: 269 Days

Day: 17.2 Hours

Environment

Temp: -27 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.32 AU - 2.06 AU

Year: 966 Days

Day: 45.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.39 AU - 2.23 AU

Year: 1071 Days

Day: 25.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.16 AU - 2.8 AU

Year: 1717 Days

Day: 43.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 9.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.21 AU - 6.25 AU

Year: 5259 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 59,206,864 km

• M1: 117,584 km (0.085 R)
• M2: 301,889 km (0.103 R)
• M3: 711,787 km (0.082 R)
• M4: 1,246,749 km (0.052 R)
• M5: 1,820,456 km (0.11 R)
• M6: 2,033,185 km (0.05 R)
• M7: 2,925,835 km (0.093 R)
• M8: 3,162,649 km (0.085 R)
• M9: 4,510,974 km (0.096 R)
• M10: 5,154,694 km (0.116 R)
• M11: 5,585,237 km (0.106 R)
• M12: 5,961,475 km (0.099 R)
• M13: 6,276,379 km (0.107 R)
• M14: 6,474,297 km (0.068 R)
• M15: 6,982,630 km (0.095 R)
• M16: 7,323,564 km (0.12 R)
• M17: 7,727,179 km (0.082 R)
• M18: 8,282,486 km (0.069 R)
• M19: 8,682,960 km (0.106 R)
• M20: 8,916,033 km (0.071 R)
• M21: 10,034,726 km (0.111 R)
• M22: 10,539,170 km (0.033 R)
• M23: 12,368,752 km (0.109 R)
• M24: 12,964,151 km (0.03 R)
• M25: 13,828,827 km (0.087 R)
• M26: 14,346,137 km (0.119 R)
• M27: 15,025,461 km (0.047 R)
• M28: 15,216,946 km (0.103 R)
• M29: 15,720,642 km (0.038 R)
• M30: 16,034,648 km (0.119 R)
• M31: 16,471,623 km (0.117 R)
• M32: 17,117,587 km (0.066 R)
• M33: 17,486,495 km (0.098 R)
• M34: 18,532,035 km (0.098 R)
• M35: 19,477,344 km (0.113 R)
• M36: 19,739,289 km (0.074 R)
• M37: 19,958,899 km (0.117 R)
• M38: 20,580,329 km (0.111 R)
• M39: 21,256,661 km (0.086 R)
• M40: 21,621,979 km (0.103 R)
• M41: 22,129,265 km (0.045 R)
• M42: 23,399,650 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.6

Radius: 12.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.49 AU - 6.37 AU

Year: 6350 Days

Day: 10.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,206,864 km

• M1: 240,553 km (0.085 R)
• M2: 668,553 km (0.12 R)
• M3: 1,053,767 km (0.072 R)
• M4: 1,307,336 km (0.059 R)
• M5: 1,707,360 km (0.119 R)
• M6: 6,465,022 km (0.05 R)
• M7: 8,294,304 km (0.09 R)
• M8: 9,025,688 km (0.101 R)
• M9: 10,658,848 km (0.096 R)
• M10: 11,017,584 km (0.115 R)
• M11: 11,672,972 km (0.048 R)
• M12: 12,567,568 km (0.071 R)
• M13: 15,421,446 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.7

Radius: 4.9

Gravity: 27.64 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.13 AU - 10.91 AU

Year: 13947 Days

Day: 16.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,206,864 km

• M1: 74,201 km (0.101 R)
• M2: 170,242 km (0.089 R)
• M3: 1,060,499 km (0.112 R)
• M4: 1,321,697 km (0.097 R)
• M5: 2,744,373 km (0.047 R)
• M6: 3,876,829 km (0.084 R)
• M7: 5,348,573 km (0.059 R)
• M8: 6,580,212 km (0.057 R)
• M9: 7,641,310 km (0.09 R)
• M10: 9,858,350 km (0.107 R)
• M11: 11,355,974 km (0.084 R)
• M12: 11,931,777 km (0.099 R)
• M13: 12,794,807 km (0.098 R)
• M14: 17,628,763 km (0.04 R)
• M15: 20,719,455 km (0.06 R)
• M16: 20,859,478 km (0.113 R)
• M17: 25,050,163 km (0.063 R)
• M18: 28,712,170 km (0.052 R)
• M19: 33,597,139 km (0.114 R)
• M20: 42,995,176 km (0.04 R)
• M21: 43,805,248 km (0.088 R)
• M22: 47,650,213 km (0.102 R)
• M23: 49,255,249 km (0.079 R)
• M24: 50,230,926 km (0.079 R)
• M25: 52,211,153 km (0.097 R)
• M26: 54,797,251 km (0.046 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 20,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit