🌌 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: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.55 AU - 0.67 AU

Year: 179 Days

Day: 12.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,365,972 km

• M1: 38,447 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.56 AU - 0.9 AU

Year: 234 Days

Day: 27.6 Hours

Environment

Temp: 127 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.78 AU - 2.24 AU

Year: 1068 Days

Day: 45.5 Hours

Environment

Temp: -65 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,365,972 km

• M1: 61,934 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.41 AU - 3.33 AU

Year: 1822 Days

Day: 24.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.47 AU - 3.57 AU

Year: 1967 Days

Day: 16.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,365,972 km

• M1: 2,968,620 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.2

Radius: 12.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.72 AU - 7.4 AU

Year: 5590 Days

Day: 11.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 65,365,972 km

• M1: 192,682 km (0.111 R)
• M2: 284,236 km (0.117 R)
• M3: 388,655 km (0.084 R)
• M4: 491,878 km (0.095 R)
• M5: 585,077 km (0.116 R)
• M6: 673,938 km (0.109 R)
• M7: 780,452 km (0.087 R)
• M8: 932,444 km (0.087 R)
• M9: 1,312,273 km (0.063 R)
• M10: 1,891,216 km (0.093 R)
• M11: 1,977,684 km (0.094 R)
• M12: 2,118,755 km (0.115 R)
• M13: 2,697,698 km (0.116 R)
• M14: 2,815,432 km (0.049 R)
• M15: 3,015,444 km (0.059 R)
• M16: 3,687,139 km (0.106 R)
• M17: 4,614,047 km (0.116 R)
• M18: 5,067,329 km (0.076 R)
• M19: 5,262,554 km (0.118 R)
• M20: 5,812,176 km (0.098 R)
• M21: 6,119,899 km (0.042 R)
• M22: 6,538,474 km (0.06 R)
• M23: 6,831,686 km (0.086 R)
• M24: 6,966,324 km (0.119 R)
• M25: 7,183,690 km (0.105 R)
• M26: 7,375,773 km (0.112 R)
• M27: 7,597,477 km (0.074 R)
• M28: 7,709,077 km (0.069 R)
• M29: 7,990,621 km (0.111 R)
• M30: 9,269,383 km (0.088 R)
• M31: 9,629,166 km (0.098 R)
• M32: 10,269,894 km (0.034 R)
• M33: 10,798,573 km (0.084 R)
• M34: 11,145,490 km (0.048 R)
• M35: 12,569,662 km (0.026 R)
• M36: 13,101,782 km (0.115 R)
• M37: 13,539,505 km (0.115 R)
• M38: 14,951,410 km (0.105 R)
• M39: 15,056,577 km (0.116 R)
• M40: 15,197,199 km (0.071 R)
• M41: 15,373,425 km (0.091 R)
• M42: 15,479,640 km (0.115 R)
• M43: 15,978,249 km (0.086 R)
• M44: 16,518,298 km (0.115 R)
• M45: 17,027,678 km (0.08 R)
• M46: 17,727,348 km (0.117 R)
• M47: 18,062,148 km (0.112 R)
• M48: 19,192,958 km (0.111 R)
• M49: 19,536,584 km (0.107 R)
• M50: 20,463,194 km (0.081 R)
• M51: 20,697,015 km (0.087 R)
• M52: 20,775,255 km (0.104 R)
• M53: 21,049,617 km (0.1 R)
• M54: 21,483,152 km (0.103 R)
• M55: 21,959,471 km (0.109 R)
• M56: 22,318,955 km (0.115 R)
• M57: 22,962,974 km (0.055 R)
• M58: 23,409,224 km (0.088 R)
• M59: 23,899,307 km (0.114 R)
• M60: 23,981,436 km (0.108 R)
• M61: 24,806,768 km (0.118 R)
• M62: 25,977,969 km (0.086 R)
• M63: 27,167,123 km (0.049 R)
• M64: 27,596,020 km (0.12 R)
• M65: 27,682,188 km (0.095 R)
• M66: 28,330,546 km (0.108 R)
• M67: 28,634,828 km (0.07 R)
• M68: 29,422,311 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.6

Radius: 7.4

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.39 AU - 16.35 AU

Year: 18320 Days

Day: 23.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 86.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 65,365,972 km

• M1: 249,679 km (0.097 R)
• M2: 501,302 km (0.11 R)
• M3: 694,433 km (0.074 R)
• M4: 888,462 km (0.09 R)
• M5: 1,124,228 km (0.116 R)
• M6: 1,198,728 km (0.066 R)
• M7: 1,275,172 km (0.11 R)
• M8: 1,541,456 km (0.078 R)
• M9: 1,767,050 km (0.079 R)
• M10: 1,825,094 km (0.113 R)
• M11: 1,913,506 km (0.044 R)
• M12: 2,094,520 km (0.096 R)
• M13: 2,440,988 km (0.047 R)
• M14: 2,637,560 km (0.107 R)
• M15: 3,438,208 km (0.095 R)
• M16: 3,584,814 km (0.103 R)
• M17: 4,191,433 km (0.087 R)
• M18: 4,348,062 km (0.077 R)
• M19: 5,160,079 km (0.06 R)
• M20: 5,412,750 km (0.078 R)
• M21: 6,463,526 km (0.071 R)
• M22: 6,735,943 km (0.075 R)
• M23: 7,105,001 km (0.055 R)
• M24: 10,128,075 km (0.105 R)
• M25: 10,603,796 km (0.09 R)
• M26: 11,032,843 km (0.051 R)
• M27: 12,130,143 km (0.072 R)
• M28: 12,353,792 km (0.117 R)
• M29: 13,204,406 km (0.096 R)
• M30: 14,073,868 km (0.106 R)
• M31: 15,261,676 km (0.054 R)
• M32: 15,442,689 km (0.089 R)
• M33: 15,745,924 km (0.064 R)
• M34: 16,112,289 km (0.099 R)
• M35: 16,173,624 km (0.091 R)
• M36: 16,234,959 km (0.081 R)
• M37: 16,667,148 km (0.104 R)
• M38: 17,228,289 km (0.096 R)
• M39: 18,754,786 km (0.085 R)
• M40: 19,796,286 km (0.07 R)
• M41: 21,057,247 km (0.083 R)
• M42: 21,663,567 km (0.051 R)
• M43: 21,934,937 km (0.096 R)
• M44: 22,207,355 km (0.102 R)
• M45: 22,480,970 km (0.081 R)
• M46: 23,795,785 km (0.112 R)
• M47: 25,420,418 km (0.034 R)
• M48: 25,921,870 km (0.086 R)
• M49: 26,571,574 km (0.048 R)
• M50: 27,226,513 km (0.107 R)
• M51: 29,673,336 km (0.117 R)
• M52: 29,823,981 km (0.107 R)
• M53: 30,125,720 km (0.115 R)
• M54: 30,504,502 km (0.053 R)
• M55: 30,580,498 km (0.083 R)
• M56: 31,650,122 km (0.069 R)
• M57: 33,512,317 km (0.089 R)
• M58: 34,140,927 km (0.071 R)
• M59: 35,011,586 km (0.107 R)
• M60: 35,969,611 km (0.094 R)
• M61: 37,098,327 km (0.098 R)
• M62: 42,828,374 km (0.072 R)
• M63: 45,230,767 km (0.083 R)
• M64: 45,751,367 km (0.115 R)
• M65: 46,885,917 km (0.072 R)
• M66: 46,973,582 km (0.092 R)
• M67: 48,029,593 km (0.112 R)
• M68: 48,915,661 km (0.119 R)
• M69: 49,807,265 km (0.075 R)
• M70: 51,064,186 km (0.1 R)
• M71: 53,884,704 km (0.054 R)
• M72: 55,545,540 km (0.117 R)
• M73: 56,382,091 km (0.11 R)
• M74: 58,633,539 km (0.094 R)
• M75: 59,865,328 km (0.072 R)
• M76: 63,902,825 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 16,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit