🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.49 AU - 0.67 AU

Year: 281 Days

Day: 37.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.4

Radius: 13

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.76 AU - 1.12 AU

Year: 579 Days

Day: 6.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,732,594 km

• M1: 161,715 km (0.085 R)
• M2: 679,324 km (0.065 R)
• M3: 1,549,236 km (0.083 R)
• M4: 2,113,818 km (0.05 R)
• M5: 3,310,302 km (0.063 R)
• M6: 4,030,316 km (0.091 R)
• M7: 5,128,365 km (0.091 R)
• M8: 5,535,869 km (0.053 R)
• M9: 6,830,489 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814

Radius: 14.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.2 AU - 3.58 AU

Year: 3969 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,732,594 km

• M1: 176,077 km (0.082 R)
• M2: 643,271 km (0.112 R)
• M3: 1,265,149 km (0.117 R)
• M4: 1,841,550 km (0.118 R)
• M5: 2,371,725 km (0.058 R)
• M6: 3,058,229 km (0.057 R)
• M7: 4,465,048 km (0.061 R)
• M8: 5,273,774 km (0.116 R)
• M9: 7,691,425 km (0.089 R)
• M10: 9,399,833 km (0.094 R)
• M11: 11,125,444 km (0.092 R)
• M12: 11,760,487 km (0.112 R)
• M13: 14,333,720 km (0.095 R)
• M14: 15,251,054 km (0.082 R)
• M15: 19,640,555 km (0.12 R)
• M16: 21,388,756 km (0.03 R)
• M17: 25,192,880 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 9.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.78 AU - 6.76 AU

Year: 8812 Days

Day: 14.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,732,594 km

• M1: 116,238 km (0.1 R)
• M2: 413,638 km (0.117 R)
• M3: 731,982 km (0.102 R)
• M4: 1,076,057 km (0.105 R)
• M5: 1,660,985 km (0.105 R)
• M6: 1,979,778 km (0.113 R)
• M7: 2,762,474 km (0.103 R)
• M8: 3,884,309 km (0.098 R)
• M9: 4,187,693 km (0.06 R)
• M10: 4,757,063 km (0.062 R)
• M11: 5,315,811 km (0.074 R)
• M12: 5,950,555 km (0.11 R)
• M13: 6,850,236 km (0.097 R)
• M14: 8,324,822 km (0.056 R)
• M15: 9,953,494 km (0.061 R)
• M16: 12,261,789 km (0.09 R)
• M17: 14,241,568 km (0.047 R)
• M18: 16,491,071 km (0.093 R)
• M19: 18,680,885 km (0.111 R)
• M20: 19,257,285 km (0.042 R)
• M21: 24,049,054 km (0.11 R)
• M22: 27,037,422 km (0.029 R)
• M23: 28,810,904 km (0.083 R)
• M24: 31,160,339 km (0.047 R)
• M25: 34,487,545 km (0.111 R)
• M26: 34,919,434 km (0.077 R)
• M27: 35,245,707 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.5

Radius: 6.5

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.33 AU - 9.11 AU

Year: 13638 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 58,732,594 km

• M1: 81,980 km (0.086 R)
• M2: 321,037 km (0.037 R)
• M3: 822,788 km (0.086 R)
• M4: 1,396,197 km (0.077 R)
• M5: 1,696,290 km (0.028 R)
• M6: 2,406,431 km (0.041 R)
• M7: 4,035,103 km (0.028 R)
• M8: 4,364,518 km (0.08 R)
• M9: 5,389,862 km (0.116 R)
• M10: 6,607,888 km (0.051 R)
• M11: 6,938,948 km (0.05 R)
• M12: 7,368,443 km (0.119 R)
• M13: 9,163,318 km (0.101 R)
• M14: 9,732,987 km (0.113 R)
• M15: 10,325,993 km (0.111 R)
• M16: 10,715,695 km (0.119 R)
• M17: 12,876,786 km (0.106 R)
• M18: 14,331,476 km (0.069 R)
• M19: 14,957,094 km (0.073 R)
• M20: 15,240,881 km (0.045 R)
• M21: 17,173,985 km (0.063 R)
• M22: 19,770,406 km (0.083 R)
• M23: 20,198,405 km (0.088 R)
• M24: 20,545,173 km (0.039 R)
• M25: 21,881,381 km (0.106 R)
• M26: 22,431,752 km (0.061 R)
• M27: 24,627,101 km (0.101 R)
• M28: 25,523,790 km (0.076 R)
• M29: 25,726,047 km (0.099 R)
• M30: 31,020,465 km (0.054 R)
• M31: 32,537,986 km (0.116 R)
• M32: 33,134,582 km (0.103 R)
• M33: 35,594,270 km (0.043 R)
• M34: 35,973,351 km (0.115 R)
• M35: 38,304,984 km (0.111 R)
• M36: 38,836,505 km (0.099 R)
• M37: 41,707,886 km (0.094 R)
• M38: 41,988,532 km (0.069 R)
• M39: 46,802,741 km (0.063 R)
• M40: 47,410,108 km (0.059 R)
• M41: 55,114,548 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 17,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit