🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.6 AU - 0.72 AU

Year: 192 Days

Day: 26.9 Hours

Environment

Temp: 196 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.94 AU - 0.98 AU

Year: 337 Days

Day: 39.7 Hours

Environment

Temp: 110 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.25 AU - 1.39 AU

Year: 543 Days

Day: 41.3 Hours

Environment

Temp: -13 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.05 AU - 3.11 AU

Year: 1936 Days

Day: 19.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.49 AU - 3.97 AU

Year: 2580 Days

Day: 35 Hours

Environment

Temp: -106 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.1 AU - 4.4 AU

Year: 2601 Days

Day: 22.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 13.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.6

Radius: 3.9

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 11.29 AU - 15.85 AU

Year: 17904 Days

Day: 19.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 39,279,680 km

• M1: 127,906 km (0.078 R)
• M2: 185,352 km (0.055 R)
• M3: 435,479 km (0.107 R)
• M4: 461,061 km (0.048 R)
• M5: 698,622 km (0.098 R)
• M6: 886,667 km (0.109 R)
• M7: 1,090,120 km (0.103 R)
• M8: 1,345,334 km (0.076 R)
• M9: 1,720,226 km (0.061 R)
• M10: 1,782,309 km (0.103 R)
• M11: 1,908,570 km (0.096 R)
• M12: 1,972,897 km (0.118 R)
• M13: 2,016,131 km (0.087 R)
• M14: 2,465,672 km (0.1 R)
• M15: 2,582,807 km (0.12 R)
• M16: 3,019,483 km (0.102 R)
• M17: 4,179,765 km (0.062 R)
• M18: 4,776,959 km (0.037 R)
• M19: 4,981,908 km (0.116 R)
• M20: 5,159,780 km (0.119 R)
• M21: 5,430,552 km (0.057 R)
• M22: 5,798,862 km (0.075 R)
• M23: 7,250,261 km (0.112 R)
• M24: 7,350,791 km (0.119 R)
• M25: 7,689,331 km (0.114 R)
• M26: 7,963,843 km (0.118 R)
• M27: 8,067,664 km (0.116 R)
• M28: 8,206,640 km (0.059 R)
• M29: 9,165,862 km (0.061 R)
• M30: 10,272,587 km (0.092 R)
• M31: 10,423,232 km (0.073 R)
• M32: 11,812,248 km (0.038 R)
• M33: 12,972,828 km (0.057 R)
• M34: 13,463,659 km (0.068 R)
• M35: 13,877,297 km (0.057 R)
• M36: 14,127,425 km (0.059 R)
• M37: 14,211,050 km (0.071 R)
• M38: 14,253,087 km (0.114 R)
• M39: 14,294,974 km (0.057 R)
• M40: 14,547,645 km (0.106 R)
• M41: 14,674,504 km (0.12 R)
• M42: 14,716,840 km (0.113 R)
• M43: 14,844,298 km (0.078 R)
• M44: 15,057,325 km (0.097 R)
• M45: 15,572,839 km (0.061 R)
• M46: 15,616,073 km (0.064 R)
• M47: 16,886,907 km (0.108 R)
• M48: 17,467,197 km (0.057 R)
• M49: 17,963,413 km (0.085 R)
• M50: 18,144,875 km (0.094 R)
• M51: 18,235,980 km (0.099 R)
• M52: 19,479,438 km (0.085 R)
• M53: 20,370,742 km (0.086 R)
• M54: 21,515,465 km (0.085 R)
• M55: 21,563,635 km (0.118 R)
• M56: 21,804,937 km (0.105 R)
• M57: 21,853,257 km (0.05 R)
• M58: 22,729,900 km (0.085 R)
• M59: 24,517,445 km (0.046 R)
• M60: 25,022,039 km (0.049 R)
• M61: 25,072,603 km (0.042 R)
• M62: 25,377,184 km (0.103 R)
• M63: 25,938,625 km (0.117 R)
• M64: 26,970,103 km (0.118 R)
• M65: 27,125,984 km (0.047 R)
• M66: 27,178,044 km (0.085 R)
• M67: 27,438,643 km (0.098 R)
• M68: 28,172,720 km (0.093 R)
• M69: 28,913,229 km (0.053 R)
• M70: 31,064,147 km (0.119 R)
• M71: 31,719,386 km (0.099 R)
• M72: 31,829,041 km (0.106 R)
• M73: 33,824,228 km (0.099 R)
• M74: 34,498,167 km (0.042 R)
• M75: 34,780,308 km (0.116 R)
• M76: 37,992,174 km (0.088 R)
• M77: 38,868,519 km (0.085 R)
• M78: 39,044,595 km (0.092 R)

Kuiper Belt

Range: 30.6 - 46.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 15,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit