🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.53 AU - 0.59 AU

Year: 180 Days

Day: 14.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 73 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.61 AU - 0.69 AU

Year: 226 Days

Day: 14.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.78 AU - 0.82 AU

Year: 308 Days

Day: 26.7 Hours

Environment

Temp: -29 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.75 AU - 0.95 AU

Year: 337 Days

Day: 31.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,817,651 km

• M1: 370,853 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.22 AU - 1.78 AU

Year: 791 Days

Day: 35.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.5 AU - 1.88 AU

Year: 946 Days

Day: 18.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,817,651 km

• M1: 36,053 km (0.029 R)
• M2: 1,077,404 km (0.099 R)

Asteroid Belt

Center: 8.63 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.5

Radius: 4.4

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 15.24 AU - 15.9 AU

Year: 26446 Days

Day: 24.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 54,817,651 km

• M1: 63,729 km (0.071 R)
• M2: 186,997 km (0.095 R)
• M3: 284,236 km (0.091 R)
• M4: 630,555 km (0.112 R)
• M5: 839,543 km (0.117 R)
• M6: 920,625 km (0.083 R)
• M7: 1,508,695 km (0.104 R)
• M8: 1,838,707 km (0.068 R)
• M9: 1,944,623 km (0.064 R)
• M10: 2,080,009 km (0.113 R)
• M11: 2,621,553 km (0.107 R)
• M12: 2,923,442 km (0.082 R)
• M13: 3,428,933 km (0.112 R)
• M14: 3,859,326 km (0.107 R)
• M15: 4,483,149 km (0.05 R)
• M16: 4,518,753 km (0.091 R)
• M17: 5,063,439 km (0.11 R)
• M18: 5,174,890 km (0.087 R)
• M19: 5,977,482 km (0.074 R)
• M20: 6,213,847 km (0.12 R)
• M21: 7,398,811 km (0.093 R)
• M22: 7,567,707 km (0.1 R)
• M23: 8,168,493 km (0.117 R)
• M24: 8,299,241 km (0.095 R)
• M25: 8,474,719 km (0.059 R)
• M26: 9,143,272 km (0.095 R)
• M27: 9,233,779 km (0.095 R)
• M28: 9,461,168 km (0.1 R)
• M29: 9,690,352 km (0.106 R)
• M30: 9,736,428 km (0.071 R)
• M31: 11,394,122 km (0.047 R)
• M32: 11,686,885 km (0.067 R)
• M33: 12,580,134 km (0.067 R)
• M34: 13,392,450 km (0.044 R)
• M35: 13,805,041 km (0.102 R)
• M36: 13,908,712 km (0.068 R)
• M37: 14,012,833 km (0.114 R)
• M38: 14,117,102 km (0.109 R)
• M39: 14,589,682 km (0.045 R)
• M40: 14,695,298 km (0.086 R)
• M41: 14,960,685 km (0.093 R)
• M42: 16,092,542 km (0.113 R)
• M43: 17,140,026 km (0.085 R)
• M44: 17,195,826 km (0.105 R)
• M45: 17,587,623 km (0.111 R)
• M46: 18,780,965 km (0.104 R)
• M47: 19,300,220 km (0.085 R)
• M48: 19,358,264 km (0.11 R)
• M49: 20,589,604 km (0.072 R)
• M50: 21,725,201 km (0.083 R)
• M51: 22,452,995 km (0.104 R)
• M52: 23,497,487 km (0.03 R)
• M53: 23,745,520 km (0.115 R)
• M54: 26,466,556 km (0.116 R)
• M55: 26,854,015 km (0.09 R)
• M56: 27,896,413 km (0.099 R)
• M57: 28,620,765 km (0.059 R)
• M58: 29,018,397 km (0.09 R)
• M59: 29,752,174 km (0.104 R)
• M60: 30,762,558 km (0.027 R)
• M61: 31,579,063 km (0.091 R)
• M62: 32,678,608 km (0.094 R)
• M63: 33,720,856 km (0.036 R)
• M64: 33,790,718 km (0.047 R)
• M65: 36,123,398 km (0.09 R)
• M66: 38,142,969 km (0.085 R)
• M67: 38,361,532 km (0.114 R)
• M68: 38,799,853 km (0.087 R)
• M69: 39,093,065 km (0.09 R)
• M70: 40,198,893 km (0.108 R)
• M71: 40,272,944 km (0.115 R)
• M72: 40,792,946 km (0.097 R)
• M73: 41,464,640 km (0.104 R)
• M74: 42,139,925 km (0.051 R)
• M75: 42,365,818 km (0.054 R)
• M76: 43,197,732 km (0.043 R)
• M77: 43,653,706 km (0.081 R)
• M78: 45,185,139 km (0.084 R)
• M79: 47,593,515 km (0.107 R)
• M80: 47,750,444 km (0.051 R)
• M81: 47,828,833 km (0.043 R)
• M82: 48,064,449 km (0.109 R)
• M83: 48,537,029 km (0.108 R)
• M84: 49,645,400 km (0.09 R)
• M85: 50,043,330 km (0.103 R)
• M86: 50,282,537 km (0.059 R)
• M87: 50,682,113 km (0.098 R)
• M88: 51,484,556 km (0.115 R)
• M89: 53,753,208 km (0.118 R)
• M90: 53,998,249 km (0.105 R)
• M91: 54,243,590 km (0.101 R)
• M92: 54,407,399 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 15,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit