🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 9.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.78 AU - 0.92 AU

Year: 514 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,862,800 km

• M1: 123,119 km (0.117 R)
• M2: 442,810 km (0.112 R)
• M3: 759,658 km (0.088 R)
• M4: 1,167,163 km (0.118 R)
• M5: 1,832,724 km (0.11 R)
• M6: 2,627,088 km (0.094 R)
• M7: 3,152,626 km (0.101 R)
• M8: 4,023,884 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 12.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.56 AU - 2.14 AU

Year: 1651 Days

Day: 14.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,862,800 km

• M1: 154,235 km (0.106 R)
• M2: 592,408 km (0.099 R)
• M3: 1,014,872 km (0.035 R)
• M4: 1,767,648 km (0.08 R)
• M5: 2,445,327 km (0.031 R)
• M6: 2,961,439 km (0.066 R)
• M7: 4,232,423 km (0.044 R)
• M8: 4,883,024 km (0.083 R)
• M9: 5,304,740 km (0.036 R)
• M10: 6,107,483 km (0.117 R)
• M11: 6,526,506 km (0.106 R)
• M12: 7,765,625 km (0.112 R)
• M13: 9,613,010 km (0.103 R)
• M14: 10,246,257 km (0.113 R)
• M15: 11,987,427 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 10.1

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.14 AU - 5.23 AU

Year: 5606 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,862,800 km

• M1: 125,662 km (0.079 R)
• M2: 456,872 km (0.072 R)
• M3: 1,190,649 km (0.103 R)
• M4: 2,481,380 km (0.053 R)
• M5: 3,155,468 km (0.1 R)
• M6: 3,802,778 km (0.065 R)
• M7: 4,350,904 km (0.106 R)
• M8: 4,951,091 km (0.118 R)
• M9: 6,183,179 km (0.096 R)
• M10: 7,123,252 km (0.092 R)
• M11: 8,076,340 km (0.112 R)
• M12: 8,398,574 km (0.119 R)
• M13: 9,069,072 km (0.105 R)
• M14: 9,506,047 km (0.082 R)
• M15: 11,048,252 km (0.092 R)
• M16: 12,696,970 km (0.104 R)
• M17: 13,078,444 km (0.116 R)
• M18: 14,210,751 km (0.039 R)
• M19: 15,592,287 km (0.075 R)
• M20: 18,205,014 km (0.043 R)
• M21: 19,042,463 km (0.059 R)
• M22: 21,096,441 km (0.049 R)
• M23: 22,413,202 km (0.115 R)
• M24: 22,810,683 km (0.074 R)
• M25: 24,784,627 km (0.071 R)
• M26: 26,959,331 km (0.1 R)
• M27: 30,020,553 km (0.09 R)
• M28: 30,600,992 km (0.076 R)
• M29: 30,992,191 km (0.11 R)
• M30: 33,616,287 km (0.097 R)
• M31: 34,137,337 km (0.11 R)
• M32: 36,166,931 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 11.8

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.79 AU - 5.39 AU

Year: 6451 Days

Day: 12 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,862,800 km

• M1: 147,504 km (0.089 R)
• M2: 606,320 km (0.102 R)
• M3: 2,765,317 km (0.099 R)
• M4: 3,496,701 km (0.077 R)
• M5: 3,920,811 km (0.099 R)
• M6: 4,621,976 km (0.039 R)
• M7: 5,134,648 km (0.078 R)
• M8: 5,942,027 km (0.089 R)
• M9: 6,410,718 km (0.054 R)
• M10: 7,347,051 km (0.109 R)
• M11: 8,249,425 km (0.088 R)
• M12: 9,580,696 km (0.077 R)
• M13: 10,226,810 km (0.118 R)
• M14: 13,614,753 km (0.096 R)
• M15: 14,432,006 km (0.089 R)
• M16: 14,852,675 km (0.094 R)
• M17: 16,164,200 km (0.079 R)
• M18: 18,873,716 km (0.12 R)
• M19: 20,713,321 km (0.089 R)
• M20: 21,559,447 km (0.066 R)
• M21: 22,189,254 km (0.066 R)
• M22: 24,575,489 km (0.062 R)
• M23: 25,523,790 km (0.116 R)
• M24: 27,493,396 km (0.107 R)
• M25: 28,609,396 km (0.055 R)
• M26: 30,437,931 km (0.051 R)
• M27: 31,430,961 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.5

Radius: 7.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.3 AU - 8.06 AU

Year: 13962 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,862,800 km

• M1: 90,806 km (0.054 R)
• M2: 341,233 km (0.118 R)
• M3: 922,121 km (0.047 R)
• M4: 1,522,009 km (0.079 R)
• M5: 1,979,479 km (0.076 R)
• M6: 2,907,135 km (0.099 R)
• M7: 3,685,942 km (0.091 R)
• M8: 5,073,462 km (0.06 R)
• M9: 6,021,913 km (0.115 R)
• M10: 6,892,124 km (0.119 R)
• M11: 7,278,385 km (0.11 R)
• M12: 10,102,195 km (0.113 R)
• M13: 10,499,975 km (0.082 R)
• M14: 11,168,678 km (0.108 R)
• M15: 12,196,415 km (0.105 R)
• M16: 12,533,609 km (0.114 R)
• M17: 14,501,270 km (0.111 R)
• M18: 15,789,008 km (0.112 R)
• M19: 16,392,785 km (0.07 R)
• M20: 20,897,177 km (0.112 R)
• M21: 21,543,141 km (0.113 R)
• M22: 29,551,414 km (0.118 R)
• M23: 31,930,618 km (0.071 R)
• M24: 33,439,762 km (0.085 R)
• M25: 39,461,674 km (0.092 R)
• M26: 40,076,222 km (0.086 R)
• M27: 41,072,694 km (0.064 R)
• M28: 41,450,578 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.2

Radius: 7.9

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.09 AU - 9.39 AU

Year: 16950 Days

Day: 18.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,862,800 km

• M1: 98,286 km (0.101 R)
• M2: 585,825 km (0.091 R)
• M3: 883,226 km (0.094 R)
• M4: 1,158,785 km (0.102 R)
• M5: 1,815,520 km (0.111 R)
• M6: 2,143,887 km (0.04 R)
• M7: 3,346,654 km (0.076 R)
• M8: 3,722,294 km (0.094 R)
• M9: 4,030,017 km (0.09 R)
• M10: 5,131,357 km (0.063 R)
• M11: 6,080,106 km (0.105 R)
• M12: 7,814,694 km (0.112 R)
• M13: 9,512,031 km (0.072 R)
• M14: 16,875,986 km (0.082 R)
• M15: 18,418,490 km (0.115 R)
• M16: 22,682,029 km (0.051 R)
• M17: 27,560,416 km (0.098 R)
• M18: 30,304,639 km (0.094 R)
• M19: 41,264,029 km (0.027 R)
• M20: 48,456,994 km (0.057 R)
• M21: 49,646,148 km (0.082 R)
• M22: 74,059,024 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 15,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit