🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.55 AU - 0.63 AU

Year: 171 Days

Day: 25.4 Hours

Environment

Temp: 177 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,865,806 km

• M1: 126,859 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.08 AU - 1.68 AU

Year: 611 Days

Day: 24.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 14.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.22 AU - 5.3 AU

Year: 4545 Days

Day: 5.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,865,806 km

• M1: 182,809 km (0.091 R)
• M2: 698,173 km (0.117 R)
• M3: 1,287,140 km (0.043 R)
• M4: 2,666,881 km (0.047 R)
• M5: 4,217,463 km (0.039 R)
• M6: 6,164,928 km (0.101 R)
• M7: 7,531,206 km (0.067 R)
• M8: 9,503,504 km (0.09 R)
• M9: 11,109,587 km (0.107 R)
• M10: 11,712,466 km (0.041 R)
• M11: 13,411,748 km (0.117 R)
• M12: 13,947,309 km (0.07 R)
• M13: 16,016,546 km (0.098 R)
• M14: 18,882,094 km (0.051 R)
• M15: 22,141,382 km (0.062 R)
• M16: 23,167,325 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.5

Radius: 15

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.47 AU - 8.63 AU

Year: 7815 Days

Day: 12 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,865,806 km

• M1: 195,824 km (0.098 R)
• M2: 680,970 km (0.111 R)
• M3: 2,273,738 km (0.081 R)
• M4: 4,662,666 km (0.03 R)
• M5: 6,969,765 km (0.075 R)
• M6: 8,971,384 km (0.113 R)
• M7: 11,613,731 km (0.096 R)
• M8: 16,572,452 km (0.076 R)
• M9: 17,894,748 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 12.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.86 AU - 8.34 AU

Year: 7893 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,865,806 km

• M1: 154,235 km (0.099 R)
• M2: 545,883 km (0.113 R)
• M3: 1,214,735 km (0.089 R)
• M4: 2,814,534 km (0.113 R)
• M5: 3,350,544 km (0.119 R)
• M6: 4,421,215 km (0.095 R)
• M7: 5,205,856 km (0.118 R)
• M8: 5,861,544 km (0.029 R)
• M9: 6,405,182 km (0.107 R)
• M10: 7,265,819 km (0.104 R)
• M11: 8,163,107 km (0.068 R)
• M12: 9,301,846 km (0.064 R)
• M13: 10,870,679 km (0.097 R)
• M14: 12,298,890 km (0.087 R)
• M15: 13,246,143 km (0.108 R)
• M16: 13,848,574 km (0.115 R)
• M17: 15,464,979 km (0.066 R)
• M18: 16,318,734 km (0.073 R)
• M19: 19,556,182 km (0.12 R)
• M20: 24,890,692 km (0.105 R)
• M21: 27,184,476 km (0.064 R)
• M22: 31,604,495 km (0.081 R)
• M23: 33,579,935 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.6

Radius: 6.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 11 AU - 12.76 AU

Year: 15426 Days

Day: 15 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,865,806 km

• M1: 75,846 km (0.051 R)
• M2: 507,137 km (0.076 R)
• M3: 751,281 km (0.101 R)
• M4: 1,511,387 km (0.09 R)
• M5: 2,465,822 km (0.104 R)
• M6: 4,184,103 km (0.04 R)
• M7: 5,071,966 km (0.075 R)
• M8: 6,833,332 km (0.117 R)
• M9: 7,059,823 km (0.094 R)
• M10: 10,134,957 km (0.119 R)
• M11: 10,529,446 km (0.096 R)
• M12: 12,941,562 km (0.11 R)
• M13: 13,230,436 km (0.081 R)
• M14: 21,363,474 km (0.032 R)
• M15: 23,775,889 km (0.095 R)
• M16: 27,869,485 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.7

Radius: 3.3

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 10.22 AU - 14.52 AU

Year: 16390 Days

Day: 16.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,865,806 km

• M1: 40,990 km (0.098 R)
• M2: 198,068 km (0.096 R)
• M3: 369,357 km (0.054 R)
• M4: 633,846 km (0.079 R)
• M5: 757,264 km (0.041 R)
• M6: 905,965 km (0.047 R)
• M7: 3,229,519 km (0.115 R)
• M8: 3,767,772 km (0.082 R)
• M9: 5,079,147 km (0.07 R)
• M10: 5,200,471 km (0.091 R)
• M11: 5,936,492 km (0.105 R)
• M12: 6,886,140 km (0.116 R)
• M13: 7,651,632 km (0.032 R)
• M14: 8,303,729 km (0.092 R)
• M15: 10,383,289 km (0.105 R)
• M16: 11,805,666 km (0.071 R)
• M17: 14,174,697 km (0.075 R)
• M18: 15,469,916 km (0.085 R)
• M19: 19,900,706 km (0.08 R)
• M20: 20,738,753 km (0.107 R)
• M21: 21,838,896 km (0.098 R)
• M22: 22,322,097 km (0.118 R)
• M23: 25,195,573 km (0.119 R)
• M24: 26,720,573 km (0.064 R)
• M25: 30,449,300 km (0.096 R)
• M26: 35,275,477 km (0.074 R)
• M27: 36,613,331 km (0.107 R)
• M28: 37,523,784 km (0.106 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: 206 - 13,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit