🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 10.6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.45 AU - 0.67 AU

Year: 295 Days

Day: 10 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,046,662 km

• M1: 132,095 km (0.084 R)
• M2: 461,958 km (0.118 R)
• M3: 797,357 km (0.094 R)
• M4: 1,356,254 km (0.11 R)
• M5: 1,819,260 km (0.104 R)
• M6: 2,707,422 km (0.106 R)
• M7: 3,037,585 km (0.107 R)
• M8: 3,372,983 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.4

Radius: 11.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.53 AU - 0.65 AU

Year: 319 Days

Day: 8 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,046,662 km

• M1: 145,559 km (0.092 R)
• M2: 519,105 km (0.043 R)
• M3: 1,090,568 km (0.104 R)
• M4: 1,952,851 km (0.105 R)
• M5: 2,407,927 km (0.085 R)
• M6: 2,916,710 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 9.6

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.96 AU - 1.42 AU

Year: 912 Days

Day: 8.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,046,662 km

• M1: 119,529 km (0.09 R)
• M2: 477,367 km (0.103 R)
• M3: 944,711 km (0.104 R)
• M4: 1,403,826 km (0.112 R)
• M5: 1,786,049 km (0.093 R)
• M6: 2,555,880 km (0.084 R)
• M7: 3,745,332 km (0.098 R)
• M8: 4,350,306 km (0.048 R)
• M9: 6,837,969 km (0.08 R)
• M10: 8,668,299 km (0.115 R)
• M11: 9,996,130 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 10

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.25 AU - 2.03 AU

Year: 1476 Days

Day: 6.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,046,662 km

• M1: 124,316 km (0.097 R)
• M2: 448,794 km (0.041 R)
• M3: 830,268 km (0.058 R)
• M4: 1,258,417 km (0.077 R)
• M5: 1,658,292 km (0.087 R)
• M6: 2,217,639 km (0.108 R)
• M7: 2,732,106 km (0.073 R)
• M8: 3,072,441 km (0.081 R)
• M9: 3,397,068 km (0.072 R)
• M10: 4,285,381 km (0.103 R)
• M11: 5,086,328 km (0.067 R)
• M12: 5,421,427 km (0.103 R)
• M13: 6,136,056 km (0.101 R)
• M14: 7,080,168 km (0.078 R)
• M15: 7,907,893 km (0.08 R)
• M16: 8,224,592 km (0.093 R)
• M17: 10,525,257 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 12.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.09 AU - 2.35 AU

Year: 2325 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,046,662 km

• M1: 159,322 km (0.109 R)
• M2: 945,907 km (0.042 R)
• M3: 1,630,617 km (0.057 R)
• M4: 2,993,005 km (0.099 R)
• M5: 3,391,833 km (0.115 R)
• M6: 4,875,245 km (0.051 R)
• M7: 6,726,967 km (0.048 R)
• M8: 8,740,106 km (0.06 R)
• M9: 9,669,857 km (0.078 R)
• M10: 10,177,293 km (0.107 R)
• M11: 11,685,389 km (0.108 R)
• M12: 12,471,974 km (0.108 R)
• M13: 13,030,274 km (0.106 R)
• M14: 14,196,988 km (0.116 R)
• M15: 15,530,054 km (0.025 R)
• M16: 16,328,308 km (0.046 R)
• M17: 17,737,371 km (0.051 R)
• M18: 18,170,157 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.1

Radius: 11.1

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.11 AU - 3.13 AU

Year: 2981 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,046,662 km

• M1: 140,173 km (0.097 R)
• M2: 521,947 km (0.096 R)
• M3: 886,068 km (0.034 R)
• M4: 1,272,031 km (0.08 R)
• M5: 1,907,074 km (0.12 R)
• M6: 3,013,500 km (0.106 R)
• M7: 3,568,657 km (0.113 R)
• M8: 4,505,439 km (0.109 R)
• M9: 6,237,184 km (0.111 R)
• M10: 6,953,907 km (0.104 R)
• M11: 7,397,016 km (0.079 R)
• M12: 9,398,785 km (0.066 R)
• M13: 9,823,195 km (0.049 R)
• M14: 10,752,048 km (0.097 R)
• M15: 11,345,503 km (0.109 R)
• M16: 12,005,379 km (0.096 R)
• M17: 12,505,484 km (0.116 R)
• M18: 13,066,925 km (0.109 R)
• M19: 14,442,178 km (0.097 R)
• M20: 15,535,440 km (0.089 R)
• M21: 17,191,638 km (0.064 R)
• M22: 19,829,497 km (0.08 R)
• M23: 20,593,194 km (0.065 R)
• M24: 22,315,365 km (0.101 R)
• M25: 23,421,791 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.7

Radius: 4.2

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.58 AU - 6.93 AU

Year: 10983 Days

Day: 17.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,046,662 km

• M1: 52,509 km (0.079 R)
• M2: 344,374 km (0.086 R)
• M3: 546,182 km (0.111 R)
• M4: 824,434 km (0.087 R)
• M5: 1,081,144 km (0.094 R)
• M6: 1,265,897 km (0.091 R)
• M7: 1,507,947 km (0.073 R)
• M8: 2,069,387 km (0.096 R)
• M9: 2,241,275 km (0.063 R)
• M10: 2,439,642 km (0.119 R)
• M11: 3,248,368 km (0.084 R)
• M12: 4,371,699 km (0.052 R)
• M13: 4,979,066 km (0.111 R)
• M14: 5,462,865 km (0.089 R)
• M15: 8,244,339 km (0.099 R)
• M16: 8,798,150 km (0.066 R)
• M17: 10,023,805 km (0.049 R)
• M18: 11,649,186 km (0.072 R)
• M19: 12,194,171 km (0.11 R)
• M20: 12,756,061 km (0.102 R)
• M21: 16,128,146 km (0.059 R)
• M22: 16,618,379 km (0.119 R)
• M23: 19,562,465 km (0.088 R)
• M24: 19,979,544 km (0.113 R)
• M25: 21,193,381 km (0.042 R)
• M26: 23,298,522 km (0.104 R)
• M27: 26,626,327 km (0.052 R)
• M28: 27,224,419 km (0.107 R)
• M29: 27,657,056 km (0.107 R)
• M30: 28,625,104 km (0.111 R)
• M31: 30,349,818 km (0.106 R)
• M32: 31,474,195 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 13,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit