🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.48 AU - 0.6 AU

Year: 260 Days

Day: 20.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 11.6

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.89 AU - 1.05 AU

Year: 627 Days

Day: 6 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,533,172 km

• M1: 144,212 km (0.067 R)
• M2: 526,585 km (0.076 R)
• M3: 903,122 km (0.106 R)
• M4: 1,267,992 km (0.041 R)
• M5: 1,758,224 km (0.062 R)
• M6: 2,141,494 km (0.029 R)
• M7: 2,711,013 km (0.032 R)
• M8: 3,178,057 km (0.069 R)
• M9: 4,096,289 km (0.057 R)
• M10: 4,601,780 km (0.113 R)
• M11: 5,063,140 km (0.091 R)
• M12: 5,664,823 km (0.039 R)
• M13: 6,574,677 km (0.064 R)
• M14: 7,646,695 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 8.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.98 AU - 1.28 AU

Year: 788 Days

Day: 6.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,533,172 km

• M1: 104,419 km (0.087 R)
• M2: 544,835 km (0.099 R)
• M3: 810,820 km (0.104 R)
• M4: 1,072,766 km (0.06 R)
• M5: 1,617,602 km (0.064 R)
• M6: 2,242,322 km (0.102 R)
• M7: 2,736,145 km (0.1 R)
• M8: 3,568,059 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.6

Radius: 13.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.64 AU - 3 AU

Year: 3107 Days

Day: 6.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,533,172 km

• M1: 164,558 km (0.062 R)
• M2: 760,107 km (0.093 R)
• M3: 1,241,962 km (0.085 R)
• M4: 1,697,337 km (0.059 R)
• M5: 2,897,112 km (0.059 R)
• M6: 4,687,051 km (0.063 R)
• M7: 5,520,161 km (0.112 R)
• M8: 10,163,979 km (0.117 R)
• M9: 10,807,698 km (0.054 R)
• M10: 12,472,722 km (0.054 R)
• M11: 12,990,929 km (0.06 R)
• M12: 14,024,352 km (0.099 R)
• M13: 18,434,048 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 15

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.26 AU - 4.12 AU

Year: 4650 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,533,172 km

• M1: 187,147 km (0.108 R)
• M2: 698,772 km (0.118 R)
• M3: 1,418,188 km (0.084 R)
• M4: 1,888,972 km (0.118 R)
• M5: 2,662,543 km (0.12 R)
• M6: 3,316,585 km (0.116 R)
• M7: 4,031,513 km (0.081 R)
• M8: 4,746,292 km (0.114 R)
• M9: 5,214,982 km (0.066 R)
• M10: 7,410,181 km (0.107 R)
• M11: 8,714,076 km (0.066 R)
• M12: 9,380,834 km (0.076 R)
• M13: 9,997,327 km (0.111 R)
• M14: 10,950,265 km (0.107 R)
• M15: 12,010,465 km (0.104 R)
• M16: 12,688,742 km (0.102 R)
• M17: 13,650,058 km (0.114 R)
• M18: 14,659,395 km (0.055 R)
• M19: 17,492,479 km (0.065 R)
• M20: 19,397,309 km (0.036 R)
• M21: 20,196,760 km (0.07 R)
• M22: 21,507,387 km (0.052 R)
• M23: 23,466,520 km (0.11 R)
• M24: 25,621,179 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 8.9

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.65 AU - 6.27 AU

Year: 8369 Days

Day: 8.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,533,172 km

• M1: 110,702 km (0.053 R)
• M2: 405,859 km (0.091 R)
• M3: 701,165 km (0.103 R)
• M4: 1,167,761 km (0.11 R)
• M5: 1,817,764 km (0.097 R)
• M6: 2,183,531 km (0.088 R)
• M7: 3,023,672 km (0.065 R)
• M8: 3,540,533 km (0.107 R)
• M9: 5,697,435 km (0.071 R)
• M10: 6,017,724 km (0.086 R)
• M11: 7,161,549 km (0.116 R)
• M12: 7,882,461 km (0.105 R)
• M13: 8,903,916 km (0.084 R)
• M14: 11,969,625 km (0.094 R)
• M15: 14,345,987 km (0.07 R)
• M16: 15,061,514 km (0.116 R)
• M17: 16,628,701 km (0.096 R)
• M18: 17,351,408 km (0.04 R)
• M19: 19,001,174 km (0.1 R)
• M20: 23,660,250 km (0.086 R)
• M21: 26,296,463 km (0.103 R)
• M22: 27,913,915 km (0.061 R)
• M23: 32,855,432 km (0.07 R)
• M24: 34,518,362 km (0.079 R)
• M25: 36,785,069 km (0.11 R)

Asteroid Belt

Center: 7.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.5

Radius: 3.4

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.42 AU - 10.6 AU

Year: 19239 Days

Day: 16.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,533,172 km

• M1: 43,084 km (0.112 R)
• M2: 317,596 km (0.109 R)
• M3: 447,148 km (0.063 R)
• M4: 1,219,223 km (0.096 R)
• M5: 1,402,031 km (0.056 R)
• M6: 1,757,625 km (0.09 R)
• M7: 2,582,059 km (0.094 R)
• M8: 3,583,467 km (0.106 R)
• M9: 5,010,930 km (0.099 R)
• M10: 5,141,978 km (0.102 R)
• M11: 7,308,454 km (0.118 R)
• M12: 8,359,679 km (0.1 R)
• M13: 11,420,152 km (0.102 R)
• M14: 15,704,036 km (0.089 R)
• M15: 16,921,165 km (0.111 R)
• M16: 18,354,163 km (0.109 R)
• M17: 20,360,420 km (0.096 R)
• M18: 22,596,908 km (0.096 R)
• M19: 27,856,620 km (0.112 R)
• M20: 28,371,685 km (0.1 R)
• M21: 32,495,350 km (0.113 R)
• M22: 37,874,142 km (0.1 R)
• M23: 39,921,089 km (0.095 R)
• M24: 40,971,566 km (0.065 R)
• M25: 42,175,230 km (0.09 R)
• M26: 42,717,822 km (0.095 R)
• M27: 45,500,043 km (0.107 R)
• M28: 47,517,968 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.7

Radius: 4

Gravity: 52.48 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 8.13 AU - 13.33 AU

Year: 23057 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 89,533,172 km

• M1: 50,414 km (0.093 R)
• M2: 182,360 km (0.076 R)
• M3: 409,449 km (0.075 R)
• M4: 580,290 km (0.06 R)
• M5: 733,927 km (0.09 R)
• M6: 939,026 km (0.086 R)
• M7: 1,110,315 km (0.107 R)
• M8: 1,302,249 km (0.109 R)
• M9: 1,733,989 km (0.101 R)
• M10: 2,277,628 km (0.117 R)
• M11: 3,236,400 km (0.093 R)
• M12: 4,259,500 km (0.113 R)
• M13: 5,276,616 km (0.109 R)
• M14: 6,171,959 km (0.092 R)
• M15: 6,538,325 km (0.117 R)
• M16: 7,164,242 km (0.116 R)
• M17: 7,517,443 km (0.062 R)
• M18: 7,988,377 km (0.089 R)
• M19: 9,046,782 km (0.12 R)
• M20: 9,459,223 km (0.106 R)
• M21: 9,945,865 km (0.056 R)
• M22: 10,706,869 km (0.056 R)
• M23: 10,968,815 km (0.066 R)
• M24: 11,168,229 km (0.075 R)
• M25: 12,850,906 km (0.058 R)
• M26: 16,708,885 km (0.109 R)
• M27: 17,964,460 km (0.09 R)
• M28: 18,804,153 km (0.108 R)
• M29: 19,378,160 km (0.07 R)
• M30: 29,573,853 km (0.119 R)
• M31: 33,171,682 km (0.117 R)
• M32: 37,349,352 km (0.071 R)
• M33: 38,867,472 km (0.063 R)
• M34: 42,026,231 km (0.042 R)
• M35: 43,667,918 km (0.044 R)
• M36: 46,729,737 km (0.102 R)
• M37: 46,903,869 km (0.111 R)
• M38: 47,253,479 km (0.025 R)
• M39: 47,428,958 km (0.107 R)
• M40: 49,027,860 km (0.076 R)
• M41: 63,559,049 km (0.116 R)
• M42: 74,136,366 km (0.114 R)
• M43: 77,256,230 km (0.119 R)
• M44: 80,963,415 km (0.116 R)
• M45: 84,787,585 km (0.104 R)
• M46: 87,932,132 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 17,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit