🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.8

Radius: 14.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.09 AU - 1.61 AU

Year: 997 Days

Day: 12.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,922,574 km

• M1: 180,265 km (0.112 R)
• M2: 736,919 km (0.082 R)
• M3: 1,224,309 km (0.114 R)
• M4: 1,867,580 km (0.083 R)
• M5: 2,644,442 km (0.05 R)
• M6: 3,158,011 km (0.075 R)
• M7: 4,460,560 km (0.069 R)
• M8: 6,118,553 km (0.028 R)
• M9: 6,667,128 km (0.096 R)
• M10: 7,969,677 km (0.081 R)
• M11: 9,890,364 km (0.089 R)
• M12: 11,074,880 km (0.119 R)
• M13: 11,581,418 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 12.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.89 AU - 2.97 AU

Year: 2408 Days

Day: 14.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,922,574 km

• M1: 232,325 km (0.106 R)
• M2: 632,799 km (0.063 R)
• M3: 1,051,224 km (0.111 R)
• M4: 1,834,818 km (0.105 R)
• M5: 2,573,682 km (0.109 R)
• M6: 2,991,509 km (0.11 R)
• M7: 3,646,897 km (0.12 R)
• M8: 5,566,088 km (0.081 R)
• M9: 9,420,028 km (0.062 R)
• M10: 9,800,007 km (0.106 R)
• M11: 12,869,755 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.8

Radius: 8.9

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.92 AU - 4.82 AU

Year: 4841 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,922,574 km

• M1: 116,686 km (0.073 R)
• M2: 438,771 km (0.11 R)
• M3: 980,764 km (0.087 R)
• M4: 1,259,315 km (0.113 R)
• M5: 1,566,888 km (0.096 R)
• M6: 2,370,528 km (0.101 R)
• M7: 3,320,474 km (0.049 R)
• M8: 4,377,832 km (0.081 R)
• M9: 5,039,354 km (0.109 R)
• M10: 5,585,386 km (0.083 R)
• M11: 6,234,342 km (0.119 R)
• M12: 7,426,337 km (0.091 R)
• M13: 7,905,799 km (0.097 R)
• M14: 12,058,336 km (0.109 R)
• M15: 13,787,688 km (0.046 R)
• M16: 14,399,094 km (0.12 R)
• M17: 15,557,131 km (0.072 R)
• M18: 17,473,031 km (0.1 R)
• M19: 20,170,730 km (0.051 R)
• M20: 21,767,089 km (0.093 R)
• M21: 22,596,160 km (0.12 R)
• M22: 25,045,676 km (0.096 R)
• M23: 26,887,824 km (0.026 R)
• M24: 29,179,214 km (0.082 R)
• M25: 29,725,994 km (0.117 R)
• M26: 32,465,281 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.4

Radius: 4

Gravity: 23.96 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.37 AU - 8.07 AU

Year: 13638 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,922,574 km

• M1: 49,816 km (0.053 R)
• M2: 305,479 km (0.056 R)
• M3: 1,245,701 km (0.119 R)
• M4: 1,440,328 km (0.112 R)
• M5: 1,731,147 km (0.063 R)
• M6: 1,874,312 km (0.064 R)
• M7: 2,130,423 km (0.118 R)
• M8: 2,629,482 km (0.034 R)
• M9: 3,297,586 km (0.074 R)
• M10: 4,099,730 km (0.08 R)
• M11: 4,413,436 km (0.097 R)
• M12: 7,152,873 km (0.085 R)
• M13: 7,315,785 km (0.093 R)
• M14: 9,469,695 km (0.079 R)
• M15: 9,616,899 km (0.046 R)
• M16: 12,242,491 km (0.118 R)
• M17: 15,785,418 km (0.094 R)
• M18: 17,200,165 km (0.101 R)
• M19: 18,543,703 km (0.072 R)
• M20: 19,084,500 km (0.095 R)
• M21: 20,278,889 km (0.061 R)
• M22: 21,018,950 km (0.112 R)
• M23: 24,804,374 km (0.11 R)
• M24: 25,272,017 km (0.071 R)
• M25: 26,515,325 km (0.074 R)
• M26: 26,710,101 km (0.038 R)
• M27: 26,905,925 km (0.089 R)
• M28: 29,958,918 km (0.112 R)
• M29: 37,349,053 km (0.083 R)
• M30: 40,101,654 km (0.108 R)
• M31: 45,447,235 km (0.097 R)
• M32: 46,287,825 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.6

Radius: 4.4

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.27 AU - 10.79 AU

Year: 21726 Days

Day: 17.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,922,574 km

• M1: 62,382 km (0.039 R)
• M2: 273,615 km (0.092 R)
• M3: 558,299 km (0.038 R)
• M4: 736,022 km (0.093 R)
• M5: 1,221,317 km (0.112 R)
• M6: 1,525,001 km (0.052 R)
• M7: 2,695,305 km (0.102 R)
• M8: 2,883,948 km (0.073 R)
• M9: 3,902,560 km (0.116 R)
• M10: 5,284,395 km (0.113 R)
• M11: 6,044,951 km (0.086 R)
• M12: 9,228,393 km (0.116 R)
• M13: 9,494,977 km (0.119 R)
• M14: 9,987,902 km (0.107 R)
• M15: 10,671,415 km (0.076 R)
• M16: 12,842,528 km (0.105 R)
• M17: 16,585,617 km (0.056 R)
• M18: 17,623,527 km (0.047 R)
• M19: 18,619,400 km (0.041 R)
• M20: 18,959,436 km (0.092 R)
• M21: 20,004,676 km (0.083 R)
• M22: 28,305,862 km (0.061 R)
• M23: 29,324,175 km (0.107 R)
• M24: 30,601,740 km (0.115 R)
• M25: 31,553,781 km (0.109 R)
• M26: 32,037,132 km (0.046 R)
• M27: 32,894,777 km (0.092 R)
• M28: 38,915,492 km (0.106 R)
• M29: 41,602,869 km (0.117 R)
• M30: 42,183,907 km (0.055 R)
• M31: 46,093,498 km (0.065 R)
• M32: 52,568,991 km (0.09 R)
• M33: 60,363,339 km (0.056 R)
• M34: 61,294,885 km (0.099 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: 437 - 18,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit