🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 9.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.55 AU - 0.65 AU

Year: 315 Days

Day: 10.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,193,099 km

• M1: 120,576 km (0.063 R)
• M2: 450,888 km (0.064 R)
• M3: 907,461 km (0.079 R)
• M4: 1,538,315 km (0.106 R)
• M5: 2,068,639 km (0.068 R)
• M6: 3,703,295 km (0.068 R)
• M7: 4,084,321 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 10.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.12 AU - 2.48 AU

Year: 2366 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,193,099 km

• M1: 133,292 km (0.06 R)
• M2: 550,520 km (0.051 R)
• M3: 953,387 km (0.112 R)
• M4: 1,518,568 km (0.074 R)
• M5: 1,895,405 km (0.113 R)
• M6: 2,412,864 km (0.079 R)
• M7: 2,886,940 km (0.116 R)
• M8: 3,290,854 km (0.099 R)
• M9: 4,756,315 km (0.103 R)
• M10: 5,669,759 km (0.088 R)
• M11: 6,775,736 km (0.048 R)
• M12: 7,753,807 km (0.091 R)
• M13: 9,444,114 km (0.096 R)
• M14: 9,816,463 km (0.067 R)
• M15: 11,750,464 km (0.033 R)
• M16: 13,284,889 km (0.104 R)
• M17: 14,320,555 km (0.12 R)
• M18: 14,949,016 km (0.073 R)
• M19: 15,926,040 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 10.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.7 AU - 5.92 AU

Year: 7155 Days

Day: 14.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,193,099 km

• M1: 128,056 km (0.103 R)
• M2: 455,376 km (0.033 R)
• M3: 1,292,376 km (0.102 R)
• M4: 1,737,430 km (0.12 R)
• M5: 2,579,366 km (0.113 R)
• M6: 4,389,950 km (0.081 R)
• M7: 4,712,931 km (0.111 R)
• M8: 5,528,838 km (0.078 R)
• M9: 5,938,437 km (0.047 R)
• M10: 7,402,402 km (0.059 R)
• M11: 8,299,241 km (0.117 R)
• M12: 8,922,316 km (0.097 R)
• M13: 10,640,298 km (0.117 R)
• M14: 11,936,414 km (0.059 R)
• M15: 13,615,800 km (0.102 R)
• M16: 14,364,986 km (0.118 R)
• M17: 16,390,092 km (0.063 R)
• M18: 16,973,823 km (0.1 R)
• M19: 17,504,447 km (0.096 R)
• M20: 18,320,952 km (0.112 R)
• M21: 24,426,490 km (0.075 R)
• M22: 28,118,117 km (0.064 R)
• M23: 30,000,207 km (0.089 R)
• M24: 33,390,245 km (0.075 R)
• M25: 36,148,979 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.9

Radius: 5.9

Gravity: 16.11 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.56 AU - 6.38 AU

Year: 9894 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,193,099 km

• M1: 73,453 km (0.09 R)
• M2: 295,605 km (0.089 R)
• M3: 527,632 km (0.105 R)
• M4: 727,046 km (0.064 R)
• M5: 1,049,130 km (0.114 R)
• M6: 1,372,112 km (0.1 R)
• M7: 1,836,015 km (0.101 R)
• M8: 2,130,124 km (0.065 R)
• M9: 2,610,034 km (0.096 R)
• M10: 3,026,215 km (0.059 R)
• M11: 4,513,966 km (0.058 R)
• M12: 4,837,247 km (0.108 R)
• M13: 5,207,502 km (0.028 R)
• M14: 5,497,423 km (0.06 R)
• M15: 5,900,738 km (0.105 R)
• M16: 6,145,032 km (0.095 R)
• M17: 7,034,092 km (0.072 R)
• M18: 7,229,616 km (0.095 R)
• M19: 12,794,956 km (0.052 R)
• M20: 13,204,705 km (0.116 R)
• M21: 13,988,747 km (0.118 R)
• M22: 15,124,943 km (0.102 R)
• M23: 17,867,970 km (0.103 R)
• M24: 19,203,879 km (0.101 R)
• M25: 20,052,248 km (0.12 R)
• M26: 23,609,237 km (0.113 R)
• M27: 24,403,452 km (0.044 R)
• M28: 24,672,130 km (0.095 R)
• M29: 26,232,136 km (0.118 R)
• M30: 39,770,893 km (0.084 R)
• M31: 40,894,224 km (0.068 R)
• M32: 42,167,152 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.8

Radius: 3

Gravity: 28.53 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.82 AU - 7.22 AU

Year: 11292 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,193,099 km

• M1: 54,454 km (0.097 R)
• M2: 221,255 km (0.112 R)
• M3: 452,534 km (0.117 R)
• M4: 548,426 km (0.102 R)
• M5: 1,432,400 km (0.11 R)
• M6: 1,601,595 km (0.07 R)
• M7: 1,872,965 km (0.104 R)
• M8: 2,561,564 km (0.111 R)
• M9: 3,610,844 km (0.065 R)
• M10: 3,850,500 km (0.033 R)
• M11: 4,049,914 km (0.055 R)
• M12: 4,689,444 km (0.102 R)
• M13: 5,181,173 km (0.032 R)
• M14: 5,517,319 km (0.091 R)
• M15: 6,647,830 km (0.089 R)
• M16: 6,826,151 km (0.049 R)
• M17: 7,229,616 km (0.081 R)
• M18: 8,165,052 km (0.097 R)
• M19: 8,831,510 km (0.12 R)
• M20: 9,266,092 km (0.092 R)
• M21: 9,990,894 km (0.119 R)
• M22: 12,124,309 km (0.094 R)
• M23: 13,381,230 km (0.09 R)
• M24: 13,551,323 km (0.058 R)
• M25: 14,423,479 km (0.107 R)
• M26: 15,394,518 km (0.107 R)
• M27: 15,643,898 km (0.105 R)
• M28: 19,423,488 km (0.111 R)
• M29: 19,787,759 km (0.114 R)
• M30: 23,851,735 km (0.085 R)
• M31: 25,814,010 km (0.117 R)
• M32: 26,342,988 km (0.064 R)
• M33: 26,610,170 km (0.087 R)
• M34: 27,240,725 km (0.042 R)
• M35: 27,697,148 km (0.094 R)
• M36: 28,251,558 km (0.08 R)
• M37: 31,533,586 km (0.11 R)
• M38: 33,892,295 km (0.035 R)
• M39: 34,846,430 km (0.051 R)
• M40: 37,365,808 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.9

Radius: 3.4

Gravity: 67.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.42 AU - 9.6 AU

Year: 18343 Days

Day: 19.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,193,099 km

• M1: 42,336 km (0.118 R)
• M2: 189,092 km (0.096 R)
• M3: 810,222 km (0.097 R)
• M4: 1,521,410 km (0.064 R)
• M5: 2,436,201 km (0.119 R)
• M6: 2,574,729 km (0.104 R)
• M7: 3,461,545 km (0.109 R)
• M8: 4,037,048 km (0.094 R)
• M9: 4,851,908 km (0.101 R)
• M10: 5,297,859 km (0.091 R)
• M11: 5,413,498 km (0.116 R)
• M12: 6,443,928 km (0.12 R)
• M13: 8,147,250 km (0.032 R)
• M14: 9,436,185 km (0.102 R)
• M15: 12,613,793 km (0.098 R)
• M16: 15,555,336 km (0.057 R)
• M17: 17,780,006 km (0.112 R)
• M18: 20,114,331 km (0.114 R)
• M19: 26,939,585 km (0.11 R)
• M20: 28,444,240 km (0.11 R)
• M21: 29,157,223 km (0.043 R)
• M22: 29,518,203 km (0.038 R)
• M23: 30,618,795 km (0.075 R)
• M24: 31,367,532 km (0.089 R)
• M25: 37,094,587 km (0.042 R)
• M26: 50,907,108 km (0.102 R)
• M27: 69,055,574 km (0.077 R)
• M28: 69,911,124 km (0.099 R)
• M29: 71,207,539 km (0.083 R)
• M30: 72,740,319 km (0.204 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: 499 - 16,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit