🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.58 AU - 0.62 AU

Year: 171 Days

Day: 21.2 Hours

Environment

Temp: 183 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.63 AU - 0.91 AU

Year: 249 Days

Day: 25.7 Hours

Environment

Temp: 116 °C

Axial Tilt: 45.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.71 AU - 2.03 AU

Year: 943 Days

Day: 12.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.58 AU - 2.24 AU

Year: 974 Days

Day: 27.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.22 AU - 3.1 AU

Year: 1601 Days

Day: 21.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,293,055 km

• M1: 1,018,462 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.13 AU - 4.51 AU

Year: 2755 Days

Day: 45.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.53 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 14.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.71 AU - 13.77 AU

Year: 13904 Days

Day: 10.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 67,293,055 km

• M1: 515,514 km (0.103 R)
• M2: 741,257 km (0.04 R)
• M3: 1,026,241 km (0.093 R)
• M4: 1,374,056 km (0.1 R)
• M5: 1,480,570 km (0.085 R)
• M6: 1,646,025 km (0.075 R)
• M7: 3,257,344 km (0.087 R)
• M8: 3,439,105 km (0.114 R)
• M9: 3,549,808 km (0.12 R)
• M10: 4,043,780 km (0.111 R)
• M11: 4,319,040 km (0.07 R)
• M12: 5,309,079 km (0.094 R)
• M13: 5,785,847 km (0.038 R)
• M14: 5,918,391 km (0.106 R)
• M15: 6,096,712 km (0.084 R)
• M16: 7,203,586 km (0.098 R)
• M17: 7,298,731 km (0.109 R)
• M18: 7,490,066 km (0.041 R)
• M19: 7,683,197 km (0.107 R)
• M20: 8,123,763 km (0.086 R)
• M21: 9,029,727 km (0.098 R)
• M22: 10,180,434 km (0.115 R)
• M23: 11,101,060 km (0.077 R)
• M24: 11,266,365 km (0.118 R)
• M25: 11,823,169 km (0.109 R)
• M26: 11,935,666 km (0.118 R)
• M27: 13,254,521 km (0.078 R)
• M28: 13,429,850 km (0.115 R)
• M29: 14,199,082 km (0.1 R)
• M30: 15,104,448 km (0.083 R)
• M31: 16,465,938 km (0.087 R)
• M32: 16,780,842 km (0.06 R)
• M33: 16,970,831 km (0.118 R)
• M34: 17,480,810 km (0.115 R)
• M35: 18,060,502 km (0.075 R)
• M36: 18,190,203 km (0.101 R)
• M37: 19,305,156 km (0.057 R)
• M38: 19,570,693 km (0.047 R)
• M39: 19,770,705 km (0.098 R)
• M40: 20,442,250 km (0.076 R)
• M41: 21,121,275 km (0.118 R)
• M42: 24,841,923 km (0.075 R)
• M43: 26,592,517 km (0.101 R)
• M44: 28,457,853 km (0.117 R)
• M45: 28,608,947 km (0.118 R)
• M46: 28,836,037 km (0.118 R)
• M47: 30,829,279 km (0.088 R)
• M48: 31,764,116 km (0.098 R)
• M49: 32,550,402 km (0.104 R)
• M50: 33,981,755 km (0.059 R)
• M51: 34,947,259 km (0.083 R)
• M52: 35,433,452 km (0.09 R)
• M53: 35,758,828 km (0.101 R)
• M54: 36,740,938 km (0.054 R)
• M55: 38,230,783 km (0.081 R)
• M56: 39,655,852 km (0.101 R)
• M57: 40,417,306 km (0.034 R)
• M58: 41,697,265 km (0.115 R)
• M59: 42,299,097 km (0.065 R)
• M60: 42,730,687 km (0.106 R)
• M61: 43,685,421 km (0.097 R)
• M62: 44,034,432 km (0.084 R)
• M63: 45,086,853 km (0.087 R)
• M64: 48,563,957 km (0.116 R)
• M65: 48,744,521 km (0.084 R)
• M66: 50,380,374 km (0.049 R)
• M67: 51,480,816 km (0.094 R)
• M68: 51,664,971 km (0.105 R)
• M69: 51,757,273 km (0.081 R)
• M70: 52,496,586 km (0.106 R)
• M71: 53,425,738 km (0.059 R)
• M72: 53,798,985 km (0.065 R)
• M73: 55,112,005 km (0.087 R)
• M74: 55,488,992 km (0.111 R)
• M75: 57,101,208 km (0.104 R)
• M76: 57,865,204 km (0.104 R)
• M77: 58,344,366 km (0.102 R)
• M78: 58,536,450 km (0.097 R)
• M79: 60,760,073 km (0.101 R)
• M80: 61,149,626 km (0.096 R)
• M81: 62,127,248 km (0.09 R)
• M82: 63,109,956 km (0.08 R)
• M83: 63,307,126 km (0.112 R)
• M84: 64,295,968 km (0.097 R)
• M85: 65,289,896 km (0.093 R)
• M86: 65,489,310 km (0.048 R)
• M87: 66,890,743 km (0.097 R)
• M88: 67,091,803 km (0.037 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 19,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit