🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.59 AU - 0.63 AU

Year: 178 Days

Day: 20.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.56 AU - 0.66 AU

Year: 178 Days

Day: 45.7 Hours

Environment

Temp: 183 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,020,910 km

• M1: 73,453 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.59 AU - 0.75 AU

Year: 204 Days

Day: 45.8 Hours

Environment

Temp: 187 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.56 AU - 0.92 AU

Year: 237 Days

Day: 28.6 Hours

Environment

Temp: 91 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.4

Radius: 10.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.02 AU - 5.46 AU

Year: 3847 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,020,910 km

• M1: 153,338 km (0.071 R)
• M2: 502,798 km (0.064 R)
• M3: 1,174,044 km (0.035 R)
• M4: 1,602,642 km (0.078 R)
• M5: 2,246,661 km (0.081 R)
• M6: 3,217,102 km (0.086 R)
• M7: 4,156,726 km (0.104 R)
• M8: 5,664,374 km (0.104 R)
• M9: 7,155,117 km (0.075 R)
• M10: 7,974,763 km (0.086 R)
• M11: 10,439,239 km (0.063 R)
• M12: 11,493,006 km (0.083 R)
• M13: 11,844,711 km (0.092 R)
• M14: 16,815,549 km (0.118 R)
• M15: 20,103,411 km (0.032 R)
• M16: 20,486,232 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 11.1

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.86 AU - 11.44 AU

Year: 11175 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,020,910 km

• M1: 138,079 km (0.066 R)
• M2: 899,382 km (0.116 R)
• M3: 1,654,403 km (0.108 R)
• M4: 2,004,312 km (0.12 R)
• M5: 3,013,799 km (0.079 R)
• M6: 4,076,542 km (0.099 R)
• M7: 4,756,165 km (0.095 R)
• M8: 5,107,271 km (0.093 R)
• M9: 6,494,343 km (0.115 R)
• M10: 8,621,624 km (0.115 R)
• M11: 9,590,271 km (0.09 R)
• M12: 11,571,545 km (0.084 R)
• M13: 13,493,429 km (0.096 R)
• M14: 14,331,925 km (0.103 R)
• M15: 17,429,199 km (0.089 R)
• M16: 18,815,971 km (0.116 R)
• M17: 19,374,719 km (0.075 R)
• M18: 23,508,707 km (0.101 R)
• M19: 30,648,565 km (0.083 R)
• M20: 31,870,330 km (0.061 R)
• M21: 37,333,046 km (0.082 R)
• M22: 37,835,695 km (0.073 R)
• M23: 39,370,719 km (0.116 R)
• M24: 40,548,952 km (0.114 R)
• M25: 41,615,884 km (0.056 R)
• M26: 43,527,744 km (0.112 R)
• M27: 45,212,665 km (0.091 R)
• M28: 49,312,395 km (0.075 R)
• M29: 52,388,127 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.8

Radius: 5.1

Gravity: 34.02 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.16 AU - 17.06 AU

Year: 21895 Days

Day: 16.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 88,020,910 km

• M1: 66,272 km (0.045 R)
• M2: 366,216 km (0.059 R)
• M3: 657,183 km (0.053 R)
• M4: 1,161,777 km (0.119 R)
• M5: 3,429,830 km (0.05 R)
• M6: 4,031,962 km (0.094 R)
• M7: 4,201,456 km (0.09 R)
• M8: 4,375,738 km (0.057 R)
• M9: 5,082,887 km (0.117 R)
• M10: 5,734,984 km (0.041 R)
• M11: 6,395,608 km (0.114 R)
• M12: 7,454,312 km (0.091 R)
• M13: 7,658,663 km (0.04 R)
• M14: 9,430,650 km (0.112 R)
• M15: 9,730,145 km (0.114 R)
• M16: 11,731,016 km (0.025 R)
• M17: 12,218,107 km (0.119 R)
• M18: 12,718,512 km (0.035 R)
• M19: 16,266,973 km (0.082 R)
• M20: 18,872,819 km (0.077 R)
• M21: 20,225,183 km (0.056 R)
• M22: 21,744,200 km (0.079 R)
• M23: 22,267,045 km (0.032 R)
• M24: 22,691,304 km (0.059 R)
• M25: 22,905,528 km (0.069 R)
• M26: 23,446,773 km (0.064 R)
• M27: 24,893,834 km (0.044 R)
• M28: 27,355,616 km (0.116 R)
• M29: 28,583,067 km (0.106 R)
• M30: 35,131,115 km (0.12 R)
• M31: 43,925,824 km (0.037 R)
• M32: 46,118,480 km (0.109 R)
• M33: 46,807,678 km (0.099 R)
• M34: 47,154,745 km (0.109 R)
• M35: 56,400,492 km (0.096 R)
• M36: 57,188,424 km (0.081 R)
• M37: 58,988,086 km (0.086 R)
• M38: 69,002,467 km (0.044 R)
• M39: 71,729,486 km (0.038 R)
• M40: 77,155,251 km (0.069 R)
• M41: 85,150,061 km (0.08 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: 407 - 19,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit