🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.93 AU - 1.07 AU

Year: 350 Days

Day: 47.2 Hours

Environment

Temp: 168 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.01 AU - 1.47 AU

Year: 483 Days

Day: 17.4 Hours

Environment

Temp: 22 °C

Axial Tilt: 42.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.86 AU - 1.94 AU

Year: 916 Days

Day: 44.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.51 AU - 4.63 AU

Year: 2873 Days

Day: 43.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.41 AU - 4.87 AU

Year: 3497 Days

Day: 47.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,550,828 km

• M1: 469,737 km (0.099 R)
• M2: 687,402 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.3

Radius: 8.3

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.47 AU - 10.13 AU

Year: 9922 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 47,550,828 km

• M1: 150,645 km (0.044 R)
• M2: 237,412 km (0.033 R)
• M3: 889,509 km (0.066 R)
• M4: 1,536,669 km (0.083 R)
• M5: 1,648,868 km (0.116 R)
• M6: 1,834,219 km (0.037 R)
• M7: 2,026,453 km (0.091 R)
• M8: 2,100,354 km (0.03 R)
• M9: 3,312,246 km (0.09 R)
• M10: 3,487,874 km (0.103 R)
• M11: 3,970,926 km (0.048 R)
• M12: 4,188,890 km (0.11 R)
• M13: 4,604,174 km (0.047 R)
• M14: 4,800,446 km (0.113 R)
• M15: 4,965,901 km (0.086 R)
• M16: 5,167,110 km (0.048 R)
• M17: 5,234,878 km (0.104 R)
• M18: 5,543,050 km (0.051 R)
• M19: 5,786,894 km (0.035 R)
• M20: 6,686,127 km (0.11 R)
• M21: 7,133,126 km (0.113 R)
• M22: 8,056,145 km (0.096 R)
• M23: 8,651,993 km (0.117 R)
• M24: 8,772,868 km (0.036 R)
• M25: 8,975,573 km (0.115 R)
• M26: 9,303,043 km (0.085 R)
• M27: 9,426,910 km (0.116 R)
• M28: 9,592,963 km (0.087 R)
• M29: 9,885,726 km (0.117 R)
• M30: 10,096,809 km (0.068 R)
• M31: 10,781,818 km (0.027 R)
• M32: 11,305,560 km (0.069 R)
• M33: 11,393,673 km (0.098 R)
• M34: 11,926,989 km (0.103 R)
• M35: 12,377,728 km (0.112 R)
• M36: 12,514,011 km (0.101 R)
• M37: 13,064,232 km (0.092 R)
• M38: 13,202,910 km (0.042 R)
• M39: 13,435,385 km (0.077 R)
• M40: 14,045,894 km (0.118 R)
• M41: 14,906,231 km (0.098 R)
• M42: 15,931,425 km (0.075 R)
• M43: 18,255,428 km (0.079 R)
• M44: 18,410,711 km (0.077 R)
• M45: 18,618,353 km (0.087 R)
• M46: 18,670,413 km (0.088 R)
• M47: 19,193,407 km (0.096 R)
• M48: 19,245,916 km (0.093 R)
• M49: 19,456,699 km (0.118 R)
• M50: 19,668,230 km (0.074 R)
• M51: 20,040,131 km (0.103 R)
• M52: 20,521,836 km (0.106 R)
• M53: 20,953,276 km (0.096 R)
• M54: 21,224,348 km (0.082 R)
• M55: 21,278,652 km (0.077 R)
• M56: 21,496,616 km (0.117 R)
• M57: 21,770,081 km (0.077 R)
• M58: 22,764,009 km (0.118 R)
• M59: 23,266,658 km (0.118 R)
• M60: 25,717,669 km (0.116 R)
• M61: 26,299,306 km (0.104 R)
• M62: 26,709,054 km (0.094 R)
• M63: 27,003,164 km (0.119 R)
• M64: 27,298,171 km (0.108 R)
• M65: 27,772,545 km (0.114 R)
• M66: 29,332,702 km (0.082 R)
• M67: 29,393,289 km (0.063 R)
• M68: 30,490,888 km (0.096 R)
• M69: 30,552,224 km (0.075 R)
• M70: 31,168,268 km (0.099 R)
• M71: 31,291,835 km (0.092 R)
• M72: 31,850,434 km (0.045 R)
• M73: 32,537,686 km (0.108 R)
• M74: 33,166,596 km (0.111 R)
• M75: 34,245,047 km (0.107 R)
• M76: 34,756,672 km (0.093 R)
• M77: 35,077,559 km (0.109 R)
• M78: 35,722,476 km (0.089 R)
• M79: 35,851,878 km (0.102 R)
• M80: 36,697,106 km (0.061 R)
• M81: 37,220,549 km (0.053 R)
• M82: 38,076,248 km (0.036 R)
• M83: 38,672,546 km (0.087 R)
• M84: 39,472,296 km (0.115 R)
• M85: 40,479,688 km (0.113 R)
• M86: 40,885,098 km (0.106 R)
• M87: 42,109,108 km (0.099 R)
• M88: 42,588,419 km (0.111 R)
• M89: 42,794,416 km (0.108 R)
• M90: 43,069,526 km (0.096 R)
• M91: 43,552,428 km (0.117 R)
• M92: 44,454,054 km (0.083 R)
• M93: 45,221,641 km (0.109 R)
• M94: 46,770,129 km (0.112 R)
• M95: 46,982,558 km (0.081 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 17,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit