🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 14.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.98 AU - 1.12 AU

Year: 717 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,310,195 km

• M1: 175,329 km (0.103 R)
• M2: 628,311 km (0.074 R)
• M3: 1,073,365 km (0.115 R)
• M4: 1,925,025 km (0.078 R)
• M5: 2,370,229 km (0.099 R)
• M6: 4,102,273 km (0.054 R)
• M7: 4,772,770 km (0.086 R)
• M8: 5,293,371 km (0.09 R)
• M9: 6,220,878 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 8.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.04 AU - 1.36 AU

Year: 877 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,310,195 km

• M1: 100,829 km (0.062 R)
• M2: 397,332 km (0.031 R)
• M3: 1,050,027 km (0.09 R)
• M4: 1,327,532 km (0.072 R)
• M5: 2,511,150 km (0.115 R)
• M6: 3,016,043 km (0.06 R)
• M7: 3,292,948 km (0.107 R)
• M8: 4,518,903 km (0.076 R)
• M9: 5,329,424 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 9.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.21 AU - 1.93 AU

Year: 1312 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,310,195 km

• M1: 119,379 km (0.047 R)
• M2: 2,503,072 km (0.119 R)
• M3: 4,263,988 km (0.067 R)
• M4: 4,864,624 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.2

Radius: 12.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.78 AU - 3.24 AU

Year: 3482 Days

Day: 8.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,310,195 km

• M1: 154,235 km (0.119 R)
• M2: 874,549 km (0.083 R)
• M3: 1,302,997 km (0.084 R)
• M4: 2,059,514 km (0.101 R)
• M5: 2,932,866 km (0.102 R)
• M6: 3,484,434 km (0.092 R)
• M7: 3,879,372 km (0.088 R)
• M8: 4,528,627 km (0.108 R)
• M9: 6,239,428 km (0.039 R)
• M10: 8,240,300 km (0.097 R)
• M11: 8,725,445 km (0.115 R)
• M12: 9,752,884 km (0.116 R)
• M13: 10,234,738 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.6

Radius: 9.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.44 AU - 3.6 AU

Year: 3500 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,310,195 km

• M1: 121,922 km (0.084 R)
• M2: 528,828 km (0.072 R)
• M3: 851,810 km (0.077 R)
• M4: 1,357,301 km (0.042 R)
• M5: 1,674,748 km (0.081 R)
• M6: 2,017,926 km (0.104 R)
• M7: 2,478,089 km (0.104 R)
• M8: 2,817,676 km (0.055 R)
• M9: 3,394,824 km (0.09 R)
• M10: 3,930,983 km (0.099 R)
• M11: 4,608,961 km (0.032 R)
• M12: 5,196,581 km (0.108 R)
• M13: 5,508,642 km (0.106 R)
• M14: 8,153,682 km (0.104 R)
• M15: 8,945,205 km (0.072 R)
• M16: 11,507,218 km (0.118 R)
• M17: 12,502,792 km (0.118 R)
• M18: 13,330,816 km (0.034 R)
• M19: 16,750,922 km (0.105 R)
• M20: 18,802,508 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.5

Radius: 7.2

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.77 AU - 10.51 AU

Year: 18427 Days

Day: 16.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,310,195 km

• M1: 89,609 km (0.114 R)
• M2: 433,385 km (0.065 R)
• M3: 775,665 km (0.1 R)
• M4: 1,040,304 km (0.065 R)
• M5: 1,504,057 km (0.112 R)
• M6: 2,058,467 km (0.037 R)
• M7: 2,940,496 km (0.078 R)
• M8: 3,537,990 km (0.083 R)
• M9: 5,697,734 km (0.111 R)
• M10: 6,491,800 km (0.113 R)
• M11: 9,095,251 km (0.104 R)
• M12: 9,540,754 km (0.112 R)
• M13: 12,256,105 km (0.056 R)
• M14: 12,594,046 km (0.106 R)
• M15: 12,868,858 km (0.067 R)
• M16: 13,217,869 km (0.08 R)
• M17: 13,935,191 km (0.097 R)
• M18: 15,291,146 km (0.033 R)
• M19: 17,657,336 km (0.103 R)
• M20: 18,088,627 km (0.115 R)
• M21: 23,826,154 km (0.069 R)
• M22: 30,422,073 km (0.084 R)
• M23: 30,917,392 km (0.088 R)
• M24: 35,346,087 km (0.111 R)
• M25: 43,219,573 km (0.117 R)
• M26: 45,759,146 km (0.109 R)
• M27: 47,894,357 km (0.107 R)
• M28: 49,410,980 km (0.102 R)
• M29: 58,423,653 km (0.064 R)
• M30: 62,714,120 km (0.115 R)
• M31: 63,315,055 km (0.116 R)
• M32: 72,574,415 km (0.182 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.4

Radius: 4.1

Gravity: 20.19 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.83 AU - 10.15 AU

Year: 21056 Days

Day: 18.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,310,195 km

• M1: 59,690 km (0.105 R)
• M2: 190,887 km (0.03 R)
• M3: 611,257 km (0.047 R)
• M4: 1,359,994 km (0.079 R)
• M5: 1,600,996 km (0.053 R)
• M6: 1,905,727 km (0.108 R)
• M7: 2,148,973 km (0.119 R)
• M8: 2,585,350 km (0.104 R)
• M9: 3,744,136 km (0.109 R)
• M10: 4,796,706 km (0.116 R)
• M11: 5,354,407 km (0.04 R)
• M12: 6,111,073 km (0.116 R)
• M13: 9,111,707 km (0.117 R)
• M14: 10,522,714 km (0.088 R)
• M15: 11,399,807 km (0.111 R)
• M16: 14,322,051 km (0.034 R)
• M17: 14,817,370 km (0.095 R)
• M18: 18,776,328 km (0.029 R)
• M19: 19,974,756 km (0.087 R)
• M20: 20,771,664 km (0.083 R)
• M21: 27,166,076 km (0.098 R)
• M22: 36,167,230 km (0.11 R)
• M23: 38,692,143 km (0.109 R)
• M24: 39,238,325 km (0.088 R)
• M25: 39,789,593 km (0.063 R)
• M26: 40,067,247 km (0.06 R)
• M27: 41,190,427 km (0.107 R)
• M28: 48,689,769 km (0.081 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 17,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit