🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 11.2

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 9 Hours

Environment

Temp: -135 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,940,962 km

• M1: 139,276 km (0.077 R)
• M2: 488,736 km (0.081 R)
• M3: 968,945 km (0.106 R)
• M4: 2,220,631 km (0.108 R)
• M5: 3,200,646 km (0.111 R)
• M6: 3,771,213 km (0.084 R)
• M7: 4,623,023 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 10

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 14.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,940,962 km

• M1: 125,213 km (0.091 R)
• M2: 653,294 km (0.097 R)
• M3: 983,456 km (0.078 R)
• M4: 1,508,994 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.4

Radius: 10.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.63 AU - 0.89 AU

Year: 442 Days

Day: 6.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,940,962 km

• M1: 134,339 km (0.105 R)
• M2: 499,956 km (0.115 R)
• M3: 1,040,304 km (0.051 R)
• M4: 1,459,028 km (0.056 R)
• M5: 1,998,328 km (0.12 R)
• M6: 2,401,345 km (0.079 R)
• M7: 3,081,567 km (0.115 R)
• M8: 4,379,029 km (0.109 R)
• M9: 5,379,091 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 9.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.9 AU - 1.42 AU

Year: 833 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,940,962 km

• M1: 119,529 km (0.059 R)
• M2: 519,703 km (0.051 R)
• M3: 913,594 km (0.042 R)
• M4: 1,621,342 km (0.063 R)
• M5: 1,988,455 km (0.076 R)
• M6: 2,513,843 km (0.107 R)
• M7: 3,009,610 km (0.074 R)
• M8: 3,545,320 km (0.08 R)
• M9: 3,971,524 km (0.09 R)
• M10: 4,718,766 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.8

Radius: 9.8

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.88 AU - 2.6 AU

Year: 2236 Days

Day: 11.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,940,962 km

• M1: 121,922 km (0.079 R)
• M2: 460,013 km (0.113 R)
• M3: 828,922 km (0.096 R)
• M4: 1,606,681 km (0.037 R)
• M5: 2,061,907 km (0.116 R)
• M6: 3,017,688 km (0.116 R)
• M7: 3,495,653 km (0.104 R)
• M8: 4,244,989 km (0.101 R)
• M9: 5,191,495 km (0.112 R)
• M10: 5,627,274 km (0.066 R)
• M11: 6,060,958 km (0.044 R)
• M12: 8,640,324 km (0.102 R)
• M13: 10,719,735 km (0.111 R)
• M14: 12,377,578 km (0.08 R)
• M15: 13,112,702 km (0.059 R)
• M16: 13,558,504 km (0.12 R)
• M17: 15,791,102 km (0.081 R)
• M18: 16,916,078 km (0.055 R)
• M19: 17,498,164 km (0.118 R)
• M20: 18,313,323 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 8.6

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.94 AU - 2.57 AU

Year: 2251 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,940,962 km

• M1: 107,411 km (0.094 R)
• M2: 460,911 km (0.075 R)
• M3: 1,430,604 km (0.06 R)
• M4: 1,705,266 km (0.099 R)
• M5: 2,214,946 km (0.106 R)
• M6: 3,043,569 km (0.118 R)
• M7: 3,638,968 km (0.11 R)
• M8: 6,359,106 km (0.087 R)
• M9: 6,663,987 km (0.116 R)
• M10: 7,895,626 km (0.1 R)
• M11: 8,218,458 km (0.064 R)
• M12: 9,500,362 km (0.063 R)
• M13: 10,660,494 km (0.078 R)
• M14: 10,946,675 km (0.086 R)
• M15: 11,422,695 km (0.055 R)
• M16: 12,613,644 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.2

Radius: 13.5

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.72 AU - 4.8 AU

Year: 5863 Days

Day: 14.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,940,962 km

• M1: 176,376 km (0.1 R)
• M2: 1,094,757 km (0.118 R)
• M3: 2,162,736 km (0.076 R)
• M4: 2,641,001 km (0.072 R)
• M5: 3,211,118 km (0.053 R)
• M6: 4,107,509 km (0.119 R)
• M7: 5,282,600 km (0.094 R)
• M8: 6,128,277 km (0.075 R)
• M9: 7,208,523 km (0.1 R)
• M10: 9,083,433 km (0.063 R)
• M11: 10,725,569 km (0.058 R)
• M12: 11,165,387 km (0.049 R)
• M13: 12,186,243 km (0.118 R)
• M14: 12,991,977 km (0.113 R)
• M15: 14,179,335 km (0.105 R)
• M16: 14,650,269 km (0.057 R)
• M17: 16,126,202 km (0.101 R)
• M18: 18,039,259 km (0.12 R)
• M19: 19,086,145 km (0.117 R)
• M20: 20,469,925 km (0.085 R)
• M21: 20,920,514 km (0.079 R)
• M22: 23,273,689 km (0.049 R)
• M23: 29,632,346 km (0.088 R)
• M24: 30,598,300 km (0.082 R)
• M25: 31,485,565 km (0.027 R)
• M26: 32,593,038 km (0.068 R)
• M27: 36,619,764 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.4

Radius: 7.6

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.56 AU - 7.72 AU

Year: 14082 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 52,940,962 km

• M1: 94,695 km (0.108 R)
• M2: 498,610 km (0.058 R)
• M3: 852,857 km (0.099 R)
• M4: 1,111,811 km (0.081 R)
• M5: 1,809,985 km (0.11 R)
• M6: 2,117,109 km (0.055 R)
• M7: 2,664,338 km (0.082 R)
• M8: 2,926,134 km (0.087 R)
• M9: 3,401,108 km (0.064 R)
• M10: 3,657,369 km (0.115 R)
• M11: 4,094,344 km (0.049 R)
• M12: 4,535,059 km (0.099 R)
• M13: 4,782,943 km (0.046 R)
• M14: 5,722,418 km (0.101 R)
• M15: 6,349,981 km (0.07 R)
• M16: 8,649,150 km (0.043 R)
• M17: 9,424,965 km (0.078 R)
• M18: 9,727,602 km (0.088 R)
• M19: 9,984,760 km (0.057 R)
• M20: 11,855,182 km (0.116 R)
• M21: 13,183,163 km (0.109 R)
• M22: 16,131,587 km (0.098 R)
• M23: 22,122,683 km (0.102 R)
• M24: 23,568,696 km (0.084 R)
• M25: 23,939,698 km (0.099 R)
• M26: 26,248,891 km (0.116 R)
• M27: 27,868,438 km (0.096 R)
• M28: 33,125,008 km (0.082 R)
• M29: 35,985,319 km (0.102 R)
• M30: 38,363,327 km (0.081 R)
• M31: 40,578,123 km (0.09 R)
• M32: 42,055,851 km (0.104 R)
• M33: 45,978,457 km (0.089 R)
• M34: 49,226,675 km (0.104 R)
• M35: 50,138,325 km (0.096 R)
• M36: 51,682,773 km (0.047 R)
• M37: 52,624,492 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 19,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit