🌌 Stone's Star System Generator

Asteroid Belt

Center: 3.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 14.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.57 AU - 6.63 AU

Year: 6044 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,813,909 km

• M1: 187,297 km (0.115 R)
• M2: 749,186 km (0.079 R)
• M3: 1,394,252 km (0.117 R)
• M4: 2,045,751 km (0.114 R)
• M5: 3,101,313 km (0.116 R)
• M6: 3,624,308 km (0.12 R)
• M7: 4,182,756 km (0.116 R)
• M8: 5,474,684 km (0.11 R)
• M9: 6,183,030 km (0.115 R)
• M10: 6,819,419 km (0.041 R)
• M11: 7,394,623 km (0.036 R)
• M12: 9,236,023 km (0.069 R)
• M13: 10,199,134 km (0.102 R)
• M14: 11,135,916 km (0.06 R)
• M15: 12,423,804 km (0.082 R)
• M16: 15,466,625 km (0.102 R)
• M17: 18,260,814 km (0.037 R)
• M18: 19,307,101 km (0.059 R)
• M19: 21,735,075 km (0.033 R)
• M20: 24,594,788 km (0.025 R)
• M21: 27,612,177 km (0.1 R)
• M22: 28,903,057 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.6

Radius: 8

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.3 AU - 9.54 AU

Year: 9496 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,813,909 km

• M1: 99,483 km (0.032 R)
• M2: 473,477 km (0.097 R)
• M3: 1,058,405 km (0.054 R)
• M4: 1,948,063 km (0.111 R)
• M5: 2,237,984 km (0.107 R)
• M6: 4,240,651 km (0.072 R)
• M7: 6,718,440 km (0.066 R)
• M8: 8,059,136 km (0.116 R)
• M9: 10,283,956 km (0.093 R)
• M10: 11,536,988 km (0.057 R)
• M11: 13,140,976 km (0.069 R)
• M12: 13,811,923 km (0.066 R)
• M13: 15,560,423 km (0.105 R)
• M14: 22,041,301 km (0.118 R)
• M15: 24,573,545 km (0.064 R)
• M16: 25,590,960 km (0.097 R)
• M17: 26,150,306 km (0.089 R)
• M18: 27,293,533 km (0.083 R)

Planet 3 - Ice Giant

Semi-Major Axis: 13.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.4

Radius: 4.7

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 10.99 AU - 16.87 AU

Year: 18532 Days

Day: 19.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,813,909 km

• M1: 58,493 km (0.038 R)
• M2: 212,130 km (0.08 R)
• M3: 384,167 km (0.088 R)
• M4: 636,689 km (0.096 R)
• M5: 1,026,690 km (0.09 R)
• M6: 1,287,290 km (0.067 R)
• M7: 1,576,163 km (0.1 R)
• M8: 2,580,563 km (0.098 R)
• M9: 2,728,067 km (0.099 R)
• M10: 4,205,795 km (0.043 R)
• M11: 5,536,916 km (0.072 R)
• M12: 6,644,389 km (0.116 R)
• M13: 8,478,011 km (0.116 R)
• M14: 8,948,197 km (0.091 R)
• M15: 9,635,599 km (0.085 R)
• M16: 9,787,291 km (0.119 R)
• M17: 11,966,184 km (0.099 R)
• M18: 13,480,713 km (0.117 R)
• M19: 14,982,975 km (0.111 R)
• M20: 15,669,479 km (0.113 R)
• M21: 16,593,097 km (0.108 R)
• M22: 22,462,868 km (0.069 R)
• M23: 25,421,765 km (0.055 R)
• M24: 36,080,164 km (0.025 R)
• M25: 36,692,019 km (0.114 R)
• M26: 40,116,315 km (0.083 R)
• M27: 40,509,458 km (0.086 R)
• M28: 41,973,123 km (0.105 R)
• M29: 43,471,496 km (0.073 R)
• M30: 44,164,283 km (0.078 R)
• M31: 44,864,252 km (0.109 R)
• M32: 45,287,913 km (0.11 R)
• M33: 45,856,834 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.3

Radius: 4.4

Gravity: 27.65 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 13.84 AU - 19.96 AU

Year: 24764 Days

Day: 21.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,813,909 km

• M1: 55,202 km (0.048 R)
• M2: 327,320 km (0.086 R)
• M3: 591,360 km (0.072 R)
• M4: 1,301,501 km (0.066 R)
• M5: 1,557,613 km (0.071 R)
• M6: 2,531,196 km (0.111 R)
• M7: 4,046,772 km (0.107 R)
• M8: 6,123,938 km (0.097 R)
• M9: 7,028,407 km (0.119 R)
• M10: 7,813,347 km (0.108 R)
• M11: 9,041,995 km (0.11 R)
• M12: 11,740,890 km (0.088 R)
• M13: 12,700,859 km (0.083 R)
• M14: 13,056,005 km (0.091 R)
• M15: 17,849,868 km (0.099 R)
• M16: 20,538,142 km (0.106 R)
• M17: 22,853,020 km (0.107 R)
• M18: 25,672,640 km (0.119 R)
• M19: 28,232,709 km (0.075 R)
• M20: 30,072,463 km (0.045 R)
• M21: 37,067,809 km (0.069 R)
• M22: 37,646,903 km (0.107 R)
• M23: 42,498,361 km (0.117 R)
• M24: 43,132,656 km (0.11 R)
• M25: 50,177,968 km (0.088 R)
• M26: 51,961,474 km (0.103 R)
• M27: 53,418,408 km (0.057 R)
• M28: 60,512,189 km (0.106 R)
• M29: 66,067,356 km (0.082 R)
• M30: 69,514,540 km (0.057 R)
• M31: 71,505,239 km (0.071 R)
• M32: 75,137,625 km (0.095 R)
• M33: 80,330,317 km (0.097 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 20,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit