🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.51 AU - 1.73 AU

Year: 728 Days

Day: 42.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.7 AU - 2.82 AU

Year: 1619 Days

Day: 44.6 Hours

Environment

Temp: -80 °C

Axial Tilt: 101.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.25 AU - 5.29 AU

Year: 3679 Days

Day: 32.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.8

Radius: 8.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.31 AU - 11.35 AU

Year: 12585 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 103,228,389 km

• M1: 106,962 km (0.066 R)
• M2: 924,066 km (0.061 R)
• M3: 1,202,767 km (0.111 R)
• M4: 1,744,910 km (0.107 R)
• M5: 2,038,121 km (0.049 R)
• M6: 2,810,645 km (0.085 R)
• M7: 4,766,637 km (0.06 R)
• M8: 5,246,098 km (0.04 R)
• M9: 6,227,011 km (0.106 R)
• M10: 9,500,961 km (0.089 R)
• M11: 10,735,891 km (0.093 R)
• M12: 12,664,208 km (0.055 R)
• M13: 13,026,983 km (0.07 R)
• M14: 14,092,718 km (0.091 R)
• M15: 16,325,616 km (0.12 R)
• M16: 16,827,816 km (0.045 R)
• M17: 17,414,539 km (0.072 R)
• M18: 18,319,905 km (0.077 R)
• M19: 19,575,629 km (0.103 R)
• M20: 20,224,585 km (0.102 R)
• M21: 21,140,124 km (0.111 R)
• M22: 21,565,281 km (0.086 R)
• M23: 24,237,249 km (0.034 R)
• M24: 27,523,465 km (0.114 R)
• M25: 30,121,382 km (0.111 R)
• M26: 30,659,934 km (0.112 R)
• M27: 37,508,375 km (0.092 R)
• M28: 41,088,402 km (0.071 R)
• M29: 44,056,274 km (0.098 R)
• M30: 45,592,494 km (0.081 R)
• M31: 47,453,641 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148

Radius: 10.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 11.83 AU - 14.17 AU

Year: 16551 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 103,228,389 km

• M1: 130,599 km (0.106 R)
• M2: 955,781 km (0.12 R)
• M3: 1,611,767 km (0.08 R)
• M4: 1,971,102 km (0.095 R)
• M5: 2,331,632 km (0.112 R)
• M6: 2,678,550 km (0.032 R)
• M7: 3,689,233 km (0.036 R)
• M8: 5,296,662 km (0.116 R)
• M9: 6,446,920 km (0.076 R)
• M10: 9,923,874 km (0.07 R)
• M11: 13,480,713 km (0.031 R)
• M12: 14,670,315 km (0.086 R)
• M13: 20,438,360 km (0.107 R)
• M14: 21,845,627 km (0.115 R)
• M15: 25,114,491 km (0.112 R)
• M16: 29,373,093 km (0.043 R)
• M17: 30,060,795 km (0.117 R)
• M18: 31,878,409 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.8

Radius: 3.1

Gravity: 95.19 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 14.57 AU - 21.77 AU

Year: 27348 Days

Day: 19.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 103,228,389 km

• M1: 48,619 km (0.095 R)
• M2: 179,667 km (0.106 R)
• M3: 408,103 km (0.102 R)
• M4: 510,578 km (0.105 R)
• M5: 815,458 km (0.095 R)
• M6: 1,021,753 km (0.09 R)
• M7: 1,447,359 km (0.047 R)
• M8: 2,452,507 km (0.105 R)
• M9: 2,909,080 km (0.059 R)
• M10: 3,849,004 km (0.066 R)
• M11: 5,015,269 km (0.061 R)
• M12: 7,202,689 km (0.087 R)
• M13: 8,532,464 km (0.114 R)
• M14: 8,888,806 km (0.119 R)
• M15: 9,694,690 km (0.106 R)
• M16: 10,280,366 km (0.108 R)
• M17: 12,554,104 km (0.04 R)
• M18: 14,215,538 km (0.086 R)
• M19: 16,834,847 km (0.097 R)
• M20: 20,276,495 km (0.119 R)
• M21: 20,486,232 km (0.079 R)
• M22: 22,663,629 km (0.038 R)
• M23: 22,776,276 km (0.103 R)
• M24: 24,870,347 km (0.037 R)
• M25: 26,087,325 km (0.115 R)
• M26: 28,116,321 km (0.101 R)
• M27: 31,633,367 km (0.101 R)
• M28: 36,196,551 km (0.114 R)
• M29: 37,441,505 km (0.079 R)
• M30: 39,199,429 km (0.107 R)
• M31: 41,684,250 km (0.102 R)
• M32: 43,746,157 km (0.097 R)
• M33: 44,448,220 km (0.04 R)
• M34: 54,270,816 km (0.096 R)
• M35: 60,546,597 km (0.08 R)
• M36: 69,405,035 km (0.081 R)
• M37: 70,599,574 km (0.097 R)
• M38: 74,763,481 km (0.065 R)
• M39: 83,308,062 km (0.115 R)
• M40: 87,121,312 km (0.063 R)
• M41: 94,800,919 km (0.105 R)
• M42: 97,457,627 km (0.099 R)
• M43: 99,256,093 km (0.073 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 16,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit