🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.56 AU - 0.78 AU

Year: 195 Days

Day: 12.4 Hours

Environment

Temp: 164 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 24,407,615 km

• M1: 135,984 km (0.108 R)
• M2: 527,931 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.16 AU - 1.86 AU

Year: 661 Days

Day: 22.6 Hours

Environment

Temp: -26 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.62 AU - 2.32 AU

Year: 986 Days

Day: 42.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.52 AU - 2.84 AU

Year: 1564 Days

Day: 24.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,407,615 km

• M1: 539,151 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.38 AU - 3.3 AU

Year: 1706 Days

Day: 37 Hours

Environment

Temp: -86 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.2

Radius: 14.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.8 AU - 8.98 AU

Year: 7900 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 24,407,615 km

• M1: 188,344 km (0.081 R)
• M2: 320,289 km (0.12 R)
• M3: 512,074 km (0.118 R)
• M4: 643,869 km (0.032 R)
• M5: 815,308 km (0.103 R)
• M6: 920,924 km (0.049 R)
• M7: 1,046,288 km (0.094 R)
• M8: 1,148,014 km (0.057 R)
• M9: 1,442,722 km (0.086 R)
• M10: 1,762,413 km (0.086 R)
• M11: 2,391,322 km (0.113 R)
• M12: 2,509,355 km (0.098 R)
• M13: 2,813,338 km (0.079 R)
• M14: 3,194,214 km (0.118 R)
• M15: 3,324,813 km (0.086 R)
• M16: 3,935,471 km (0.096 R)
• M17: 4,028,970 km (0.099 R)
• M18: 4,194,425 km (0.089 R)
• M19: 4,313,954 km (0.089 R)
• M20: 4,581,136 km (0.092 R)
• M21: 4,878,835 km (0.061 R)
• M22: 5,080,942 km (0.049 R)
• M23: 5,519,563 km (0.077 R)
• M24: 5,651,060 km (0.088 R)
• M25: 6,296,275 km (0.071 R)
• M26: 6,544,458 km (0.103 R)
• M27: 7,510,860 km (0.102 R)
• M28: 8,190,035 km (0.114 R)
• M29: 8,674,133 km (0.106 R)
• M30: 9,449,350 km (0.108 R)
• M31: 9,670,455 km (0.059 R)
• M32: 9,925,220 km (0.086 R)
• M33: 10,279,169 km (0.062 R)
• M34: 10,670,068 km (0.117 R)
• M35: 11,837,979 km (0.085 R)
• M36: 12,144,954 km (0.074 R)
• M37: 13,292,818 km (0.028 R)
• M38: 13,790,231 km (0.118 R)
• M39: 14,293,777 km (0.117 R)
• M40: 14,730,304 km (0.092 R)
• M41: 15,393,322 km (0.107 R)
• M42: 15,915,717 km (0.094 R)
• M43: 16,028,365 km (0.093 R)
• M44: 16,330,253 km (0.085 R)
• M45: 17,208,692 km (0.092 R)
• M46: 17,479,015 km (0.079 R)
• M47: 17,711,939 km (0.083 R)
• M48: 17,906,865 km (0.087 R)
• M49: 18,024,000 km (0.065 R)
• M50: 18,456,189 km (0.119 R)
• M51: 18,653,807 km (0.103 R)
• M52: 19,370,979 km (0.071 R)
• M53: 19,491,256 km (0.049 R)
• M54: 21,079,088 km (0.11 R)
• M55: 21,409,998 km (0.053 R)
• M56: 21,826,030 km (0.099 R)
• M57: 22,623,686 km (0.106 R)
• M58: 22,877,703 km (0.066 R)
• M59: 23,431,066 km (0.109 R)
• M60: 23,730,860 km (0.115 R)
• M61: 24,247,870 km (0.101 R)
• M62: 24,942,902 km (0.111 R)
• M63: 25,424,607 km (0.094 R)
• M64: 25,688,647 km (0.057 R)
• M65: 27,157,100 km (0.076 R)
• M66: 27,788,253 km (0.065 R)
• M67: 28,561,225 km (0.12 R)
• M68: 28,973,218 km (0.103 R)
• M69: 29,157,074 km (0.095 R)
• M70: 31,110,074 km (0.117 R)
• M71: 31,251,294 km (0.117 R)
• M72: 31,345,541 km (0.041 R)
• M73: 31,439,788 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 8.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.44 AU - 12.06 AU

Year: 10852 Days

Day: 14.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 24,407,615 km

• M1: 114,293 km (0.116 R)
• M2: 413,189 km (0.11 R)
• M3: 492,476 km (0.096 R)
• M4: 617,241 km (0.077 R)
• M5: 1,367,474 km (0.107 R)
• M6: 1,477,728 km (0.063 R)
• M7: 1,548,188 km (0.11 R)
• M8: 1,826,440 km (0.085 R)
• M9: 1,933,104 km (0.079 R)
• M10: 2,297,973 km (0.083 R)
• M11: 2,380,102 km (0.119 R)
• M12: 2,463,279 km (0.097 R)
• M13: 2,632,773 km (0.082 R)
• M14: 2,841,163 km (0.092 R)
• M15: 2,983,131 km (0.083 R)
• M16: 3,054,938 km (0.096 R)
• M17: 3,348,300 km (0.038 R)
• M18: 3,962,100 km (0.109 R)
• M19: 4,061,133 km (0.056 R)
• M20: 4,840,837 km (0.104 R)
• M21: 5,313,118 km (0.098 R)
• M22: 5,400,633 km (0.116 R)
• M23: 6,094,916 km (0.094 R)
• M24: 6,209,508 km (0.107 R)
• M25: 6,487,461 km (0.058 R)
• M26: 6,628,083 km (0.087 R)
• M27: 6,912,170 km (0.101 R)
• M28: 7,321,469 km (0.072 R)
• M29: 8,088,308 km (0.07 R)
• M30: 9,750,640 km (0.106 R)
• M31: 9,884,829 km (0.099 R)
• M32: 10,100,848 km (0.061 R)
• M33: 11,148,333 km (0.057 R)
• M34: 11,260,681 km (0.042 R)
• M35: 11,514,698 km (0.057 R)
• M36: 12,520,295 km (0.12 R)
• M37: 13,166,857 km (0.077 R)
• M38: 15,264,069 km (0.119 R)
• M39: 15,702,092 km (0.08 R)
• M40: 16,911,890 km (0.033 R)
• M41: 17,008,680 km (0.084 R)
• M42: 17,724,206 km (0.115 R)
• M43: 17,986,750 km (0.097 R)
• M44: 18,383,035 km (0.107 R)
• M45: 18,482,518 km (0.047 R)
• M46: 19,420,197 km (0.113 R)
• M47: 19,724,778 km (0.093 R)
• M48: 20,167,738 km (0.091 R)
• M49: 20,820,882 km (0.086 R)
• M50: 21,306,477 km (0.11 R)
• M51: 21,620,782 km (0.088 R)
• M52: 21,901,427 km (0.073 R)
• M53: 23,286,554 km (0.084 R)
• M54: 24,080,320 km (0.093 R)
• M55: 24,371,139 km (0.076 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 12,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit