🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.51 AU - 0.73 AU

Year: 171 Days

Day: 22.4 Hours

Environment

Temp: 180 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.02 AU - 1.16 AU

Year: 398 Days

Day: 25.8 Hours

Environment

Temp: 87 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.63 AU - 1.75 AU

Year: 769 Days

Day: 46.6 Hours

Environment

Temp: -25 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.97 AU - 3.95 AU

Year: 2252 Days

Day: 13.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.32 AU - 4.42 AU

Year: 2663 Days

Day: 21.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.9

Radius: 8.5

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.19 AU - 9.75 AU

Year: 10195 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 109,734,415 km

• M1: 124,316 km (0.116 R)
• M2: 390,600 km (0.067 R)
• M3: 713,582 km (0.098 R)
• M4: 1,089,521 km (0.066 R)
• M5: 1,508,246 km (0.065 R)
• M6: 1,812,079 km (0.102 R)
• M7: 2,287,950 km (0.051 R)
• M8: 2,607,790 km (0.028 R)
• M9: 3,215,905 km (0.073 R)
• M10: 3,778,543 km (0.085 R)
• M11: 4,140,869 km (0.038 R)
• M12: 5,684,420 km (0.113 R)
• M13: 6,390,372 km (0.068 R)
• M14: 9,911,158 km (0.065 R)
• M15: 11,099,564 km (0.095 R)
• M16: 11,728,174 km (0.097 R)
• M17: 12,140,466 km (0.083 R)
• M18: 12,684,703 km (0.094 R)
• M19: 14,017,769 km (0.097 R)
• M20: 19,789,704 km (0.049 R)
• M21: 20,628,499 km (0.11 R)
• M22: 23,011,294 km (0.092 R)
• M23: 25,375,688 km (0.091 R)
• M24: 25,768,532 km (0.086 R)
• M25: 27,586,446 km (0.11 R)
• M26: 31,026,748 km (0.078 R)
• M27: 31,475,990 km (0.101 R)
• M28: 39,791,986 km (0.12 R)
• M29: 43,044,843 km (0.037 R)
• M30: 49,004,672 km (0.093 R)
• M31: 49,920,510 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.9

Radius: 12.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.46 AU - 11.7 AU

Year: 12903 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 109,734,415 km

• M1: 152,291 km (0.117 R)
• M2: 651,499 km (0.118 R)
• M3: 1,180,626 km (0.074 R)
• M4: 1,584,391 km (0.106 R)
• M5: 2,858,965 km (0.1 R)
• M6: 3,324,513 km (0.115 R)
• M7: 5,059,400 km (0.054 R)
• M8: 6,180,038 km (0.116 R)
• M9: 7,459,399 km (0.079 R)
• M10: 9,087,921 km (0.09 R)
• M11: 11,871,339 km (0.114 R)
• M12: 12,266,277 km (0.094 R)
• M13: 18,999,378 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.3

Radius: 4.2

Gravity: 43.61 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 19.58 AU - 21.6 AU

Year: 32686 Days

Day: 19.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 109,734,415 km

• M1: 54,454 km (0.081 R)
• M2: 198,217 km (0.074 R)
• M3: 407,804 km (0.118 R)
• M4: 572,361 km (0.092 R)
• M5: 1,301,651 km (0.098 R)
• M6: 1,914,105 km (0.108 R)
• M7: 2,116,511 km (0.108 R)
• M8: 2,358,261 km (0.119 R)
• M9: 2,672,267 km (0.11 R)
• M10: 3,415,619 km (0.078 R)
• M11: 4,754,819 km (0.108 R)
• M12: 6,360,303 km (0.064 R)
• M13: 6,508,555 km (0.031 R)
• M14: 7,124,599 km (0.065 R)
• M15: 7,338,374 km (0.089 R)
• M16: 9,080,441 km (0.094 R)
• M17: 9,523,400 km (0.078 R)
• M18: 12,182,203 km (0.111 R)
• M19: 15,033,838 km (0.118 R)
• M20: 19,625,445 km (0.054 R)
• M21: 21,452,484 km (0.09 R)
• M22: 24,340,770 km (0.087 R)
• M23: 25,814,908 km (0.043 R)
• M24: 26,446,360 km (0.12 R)
• M25: 31,442,331 km (0.089 R)
• M26: 33,336,838 km (0.092 R)
• M27: 37,834,648 km (0.11 R)
• M28: 41,332,994 km (0.12 R)
• M29: 42,545,335 km (0.096 R)
• M30: 44,498,036 km (0.113 R)
• M31: 46,509,679 km (0.092 R)
• M32: 48,010,295 km (0.089 R)
• M33: 55,163,168 km (0.114 R)
• M34: 55,789,384 km (0.089 R)
• M35: 65,061,311 km (0.065 R)
• M36: 72,527,591 km (0.031 R)
• M37: 81,620,449 km (0.11 R)
• M38: 88,846,325 km (0.071 R)
• M39: 90,572,236 km (0.058 R)
• M40: 101,399,681 km (0.115 R)
• M41: 107,122,996 km (0.089 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 17,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit