🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.7

Radius: 11.5

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.53 AU - 0.75 AU

Year: 353 Days

Day: 9.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,978,954 km

• M1: 146,307 km (0.046 R)
• M2: 504,294 km (0.12 R)
• M3: 891,304 km (0.104 R)
• M4: 1,368,222 km (0.1 R)
• M5: 1,776,026 km (0.119 R)
• M6: 2,482,128 km (0.072 R)
• M7: 2,927,032 km (0.096 R)
• M8: 3,298,334 km (0.086 R)
• M9: 3,725,885 km (0.109 R)
• M10: 4,110,351 km (0.118 R)
• M11: 5,539,759 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 10.7

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.54 AU - 2.36 AU

Year: 1880 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,978,954 km

• M1: 132,993 km (0.115 R)
• M2: 478,264 km (0.104 R)
• M3: 811,568 km (0.075 R)
• M4: 1,285,644 km (0.1 R)
• M5: 1,677,142 km (0.107 R)
• M6: 2,196,845 km (0.1 R)
• M7: 2,542,266 km (0.092 R)
• M8: 3,231,763 km (0.106 R)
• M9: 3,967,784 km (0.114 R)
• M10: 4,425,255 km (0.097 R)
• M11: 4,960,366 km (0.065 R)
• M12: 5,333,164 km (0.06 R)
• M13: 5,677,688 km (0.064 R)
• M14: 7,979,550 km (0.118 R)
• M15: 8,742,350 km (0.075 R)
• M16: 11,664,445 km (0.092 R)
• M17: 13,513,774 km (0.107 R)
• M18: 13,854,259 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 10.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.64 AU - 2.68 AU

Year: 2995 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,978,954 km

• M1: 139,874 km (0.033 R)
• M2: 545,733 km (0.069 R)
• M3: 948,301 km (0.112 R)
• M4: 1,797,269 km (0.096 R)
• M5: 2,315,925 km (0.031 R)
• M6: 2,920,599 km (0.047 R)
• M7: 3,326,608 km (0.11 R)
• M8: 3,698,508 km (0.091 R)
• M9: 5,797,965 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 9.1

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.73 AU - 3.93 AU

Year: 5174 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,978,954 km

• M1: 113,096 km (0.092 R)
• M2: 771,177 km (0.107 R)
• M3: 1,056,011 km (0.078 R)
• M4: 1,659,788 km (0.116 R)
• M5: 2,375,913 km (0.1 R)
• M6: 2,880,956 km (0.063 R)
• M7: 4,008,475 km (0.084 R)
• M8: 4,434,530 km (0.05 R)
• M9: 5,740,220 km (0.074 R)
• M10: 7,069,846 km (0.085 R)
• M11: 7,617,823 km (0.1 R)
• M12: 8,115,385 km (0.107 R)
• M13: 8,472,475 km (0.106 R)
• M14: 9,607,175 km (0.067 R)
• M15: 10,983,326 km (0.113 R)
• M16: 11,869,544 km (0.099 R)
• M17: 12,538,695 km (0.12 R)
• M18: 13,124,371 km (0.065 R)
• M19: 14,639,348 km (0.118 R)
• M20: 14,932,261 km (0.108 R)
• M21: 17,813,217 km (0.097 R)
• M22: 18,485,360 km (0.06 R)
• M23: 20,530,213 km (0.119 R)
• M24: 21,194,278 km (0.099 R)
• M25: 24,402,255 km (0.099 R)
• M26: 24,980,600 km (0.113 R)
• M27: 28,009,957 km (0.039 R)
• M28: 29,287,523 km (0.109 R)
• M29: 30,698,979 km (0.077 R)
• M30: 31,179,338 km (0.116 R)
• M31: 34,270,479 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.8

Radius: 9.1

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.79 AU - 5.53 AU

Year: 8091 Days

Day: 7.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,978,954 km

• M1: 113,246 km (0.064 R)
• M2: 540,048 km (0.104 R)
• M3: 883,675 km (0.046 R)
• M4: 2,346,742 km (0.058 R)
• M5: 3,096,826 km (0.036 R)
• M6: 3,696,563 km (0.106 R)
• M7: 4,510,675 km (0.114 R)
• M8: 5,439,379 km (0.077 R)
• M9: 6,745,518 km (0.082 R)
• M10: 7,432,471 km (0.07 R)
• M11: 8,123,314 km (0.099 R)
• M12: 8,679,968 km (0.111 R)
• M13: 9,216,276 km (0.06 R)
• M14: 10,553,382 km (0.062 R)
• M15: 11,852,639 km (0.097 R)
• M16: 12,345,564 km (0.066 R)
• M17: 14,828,590 km (0.083 R)
• M18: 20,523,631 km (0.106 R)
• M19: 25,941,318 km (0.072 R)
• M20: 29,075,543 km (0.054 R)
• M21: 30,072,912 km (0.071 R)
• M22: 33,853,101 km (0.041 R)
• M23: 34,402,125 km (0.083 R)
• M24: 35,517,676 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 10.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.64 AU - 5.96 AU

Year: 8422 Days

Day: 5.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,978,954 km

• M1: 133,142 km (0.09 R)
• M2: 509,530 km (0.12 R)
• M3: 2,100,055 km (0.061 R)
• M4: 2,444,429 km (0.1 R)
• M5: 3,165,790 km (0.084 R)
• M6: 4,097,336 km (0.109 R)
• M7: 5,530,334 km (0.119 R)
• M8: 6,529,947 km (0.059 R)
• M9: 8,471,129 km (0.12 R)
• M10: 9,751,836 km (0.094 R)
• M11: 16,118,273 km (0.107 R)
• M12: 17,274,964 km (0.081 R)
• M13: 23,092,526 km (0.071 R)
• M14: 27,593,178 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 12,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit