🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.7

Radius: 11.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.71 AU - 0.85 AU

Year: 467 Days

Day: 14.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,483,988 km

• M1: 176,825 km (0.078 R)
• M2: 548,127 km (0.072 R)
• M3: 1,239,568 km (0.064 R)
• M4: 1,710,352 km (0.073 R)
• M5: 2,232,449 km (0.096 R)
• M6: 2,969,368 km (0.063 R)
• M7: 3,417,713 km (0.11 R)
• M8: 3,801,581 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 11.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.87 AU - 1.23 AU

Year: 730 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,483,988 km

• M1: 143,016 km (0.08 R)
• M2: 596,896 km (0.076 R)
• M3: 969,993 km (0.102 R)
• M4: 1,479,373 km (0.087 R)
• M5: 2,026,902 km (0.116 R)
• M6: 2,410,321 km (0.032 R)
• M7: 2,874,673 km (0.096 R)
• M8: 3,520,487 km (0.086 R)
• M9: 4,653,391 km (0.086 R)
• M10: 5,182,220 km (0.068 R)
• M11: 5,681,877 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 10.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.45 AU - 5.71 AU

Year: 6648 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,483,988 km

• M1: 129,402 km (0.08 R)
• M2: 466,446 km (0.11 R)
• M3: 931,247 km (0.115 R)
• M4: 1,404,574 km (0.085 R)
• M5: 2,336,120 km (0.073 R)
• M6: 2,881,255 km (0.087 R)
• M7: 4,179,465 km (0.052 R)
• M8: 4,545,232 km (0.069 R)
• M9: 5,773,131 km (0.093 R)
• M10: 6,576,771 km (0.112 R)
• M11: 7,383,253 km (0.083 R)
• M12: 8,104,614 km (0.07 R)
• M13: 9,813,920 km (0.1 R)
• M14: 10,287,397 km (0.048 R)
• M15: 17,282,593 km (0.104 R)
• M16: 17,720,167 km (0.091 R)
• M17: 19,680,348 km (0.029 R)
• M18: 21,925,962 km (0.067 R)
• M19: 25,125,860 km (0.107 R)
• M20: 26,340,445 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.6

Radius: 8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.24 AU - 7.64 AU

Year: 12400 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,483,988 km

• M1: 99,632 km (0.044 R)
• M2: 471,532 km (0.112 R)
• M3: 871,108 km (0.099 R)
• M4: 2,274,935 km (0.095 R)
• M5: 3,297,735 km (0.092 R)
• M6: 3,774,803 km (0.101 R)
• M7: 4,575,750 km (0.096 R)
• M8: 5,593,464 km (0.112 R)
• M9: 5,983,167 km (0.101 R)
• M10: 6,571,086 km (0.087 R)
• M11: 10,681,886 km (0.077 R)
• M12: 12,224,988 km (0.035 R)
• M13: 13,911,405 km (0.116 R)
• M14: 14,420,337 km (0.104 R)
• M15: 17,738,867 km (0.085 R)
• M16: 18,337,408 km (0.091 R)
• M17: 21,941,071 km (0.054 R)
• M18: 23,192,906 km (0.097 R)
• M19: 23,764,220 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.1

Radius: 3.1

Gravity: 24.88 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.65 AU - 9.45 AU

Year: 16957 Days

Day: 17.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,483,988 km

• M1: 38,596 km (0.111 R)
• M2: 337,343 km (0.108 R)
• M3: 718,219 km (0.036 R)
• M4: 951,293 km (0.117 R)
• M5: 1,551,629 km (0.088 R)
• M6: 1,809,237 km (0.119 R)
• M7: 2,024,807 km (0.091 R)
• M8: 2,202,081 km (0.069 R)
• M9: 2,487,214 km (0.091 R)
• M10: 3,416,516 km (0.081 R)
• M11: 4,922,368 km (0.067 R)
• M12: 5,080,942 km (0.093 R)
• M13: 5,341,691 km (0.08 R)
• M14: 5,475,432 km (0.09 R)
• M15: 5,819,357 km (0.107 R)
• M16: 5,925,272 km (0.076 R)
• M17: 6,250,947 km (0.115 R)
• M18: 7,340,319 km (0.028 R)
• M19: 10,762,968 km (0.107 R)
• M20: 11,858,324 km (0.047 R)
• M21: 12,667,948 km (0.09 R)
• M22: 12,846,119 km (0.044 R)
• M23: 13,086,223 km (0.081 R)
• M24: 13,824,638 km (0.083 R)
• M25: 15,791,252 km (0.046 R)
• M26: 18,161,182 km (0.098 R)
• M27: 18,923,682 km (0.089 R)
• M28: 19,391,175 km (0.095 R)
• M29: 20,026,517 km (0.109 R)
• M30: 20,593,792 km (0.119 R)
• M31: 21,088,363 km (0.102 R)
• M32: 25,146,654 km (0.06 R)
• M33: 26,964,418 km (0.109 R)
• M34: 29,591,207 km (0.088 R)
• M35: 29,800,045 km (0.102 R)
• M36: 34,531,676 km (0.087 R)
• M37: 34,995,579 km (0.06 R)
• M38: 37,256,602 km (0.028 R)
• M39: 40,763,176 km (0.109 R)
• M40: 40,892,428 km (0.063 R)
• M41: 42,067,071 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.5

Radius: 3.5

Gravity: 44.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 9.13 AU - 12.41 AU

Year: 23973 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,483,988 km

• M1: 43,533 km (0.1 R)
• M2: 177,423 km (0.082 R)
• M3: 669,600 km (0.09 R)
• M4: 889,359 km (0.113 R)
• M5: 1,330,075 km (0.101 R)
• M6: 1,521,859 km (0.06 R)
• M7: 2,526,558 km (0.096 R)
• M8: 2,846,847 km (0.118 R)
• M9: 3,111,037 km (0.098 R)
• M10: 5,399,286 km (0.06 R)
• M11: 7,282,574 km (0.097 R)
• M12: 8,939,221 km (0.061 R)
• M13: 9,275,666 km (0.096 R)
• M14: 15,704,186 km (0.035 R)
• M15: 16,525,478 km (0.084 R)
• M16: 18,342,345 km (0.116 R)
• M17: 21,559,148 km (0.048 R)
• M18: 28,236,598 km (0.068 R)
• M19: 28,959,455 km (0.096 R)
• M20: 29,818,296 km (0.053 R)
• M21: 30,191,393 km (0.103 R)
• M22: 33,024,029 km (0.119 R)
• M23: 35,888,529 km (0.096 R)
• M24: 38,032,865 km (0.108 R)
• M25: 38,471,785 km (0.118 R)
• M26: 41,176,365 km (0.107 R)
• M27: 41,330,152 km (0.064 R)
• M28: 44,975,852 km (0.079 R)
• M29: 45,960,804 km (0.062 R)
• M30: 46,960,268 km (0.064 R)
• M31: 53,628,144 km (0.074 R)
• M32: 57,186,928 km (0.092 R)
• M33: 64,355,209 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 12,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit