🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 13.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.77 AU - 1.09 AU

Year: 570 Days

Day: 14.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,098,541 km

• M1: 167,849 km (0.1 R)
• M2: 591,360 km (0.1 R)
• M3: 1,171,651 km (0.11 R)
• M4: 1,624,034 km (0.047 R)
• M5: 2,414,510 km (0.12 R)
• M6: 3,725,137 km (0.101 R)
• M7: 5,059,400 km (0.064 R)
• M8: 5,628,620 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 14.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.05 AU - 1.13 AU

Year: 724 Days

Day: 9.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,098,541 km

• M1: 176,675 km (0.113 R)
• M2: 759,957 km (0.11 R)
• M3: 1,664,127 km (0.113 R)
• M4: 2,248,755 km (0.095 R)
• M5: 2,993,005 km (0.072 R)
• M6: 4,648,903 km (0.108 R)
• M7: 5,353,809 km (0.098 R)
• M8: 5,862,741 km (0.053 R)
• M9: 6,423,882 km (0.081 R)
• M10: 7,498,144 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.3

Radius: 10.5

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.19 AU - 1.47 AU

Year: 975 Days

Day: 9 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,098,541 km

• M1: 130,599 km (0.086 R)
• M2: 551,119 km (0.115 R)
• M3: 924,216 km (0.078 R)
• M4: 1,255,126 km (0.118 R)
• M5: 1,685,070 km (0.104 R)
• M6: 2,245,763 km (0.092 R)
• M7: 2,900,553 km (0.048 R)
• M8: 3,662,754 km (0.051 R)
• M9: 4,339,834 km (0.07 R)
• M10: 6,162,684 km (0.06 R)
• M11: 6,783,067 km (0.077 R)
• M12: 7,293,943 km (0.088 R)
• M13: 7,648,790 km (0.045 R)
• M14: 8,202,451 km (0.105 R)
• M15: 8,586,319 km (0.06 R)
• M16: 9,243,054 km (0.115 R)
• M17: 10,025,451 km (0.09 R)
• M18: 10,464,670 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.1

Radius: 12.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.16 AU - 1.72 AU

Year: 1099 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,098,541 km

• M1: 150,495 km (0.075 R)
• M2: 652,995 km (0.07 R)
• M3: 1,043,146 km (0.11 R)
• M4: 1,427,164 km (0.087 R)
• M5: 1,853,069 km (0.083 R)
• M6: 2,624,395 km (0.034 R)
• M7: 3,143,650 km (0.09 R)
• M8: 3,877,427 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.9

Radius: 8.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.37 AU - 1.79 AU

Year: 1263 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,098,541 km

• M1: 110,104 km (0.118 R)
• M2: 454,329 km (0.082 R)
• M3: 843,732 km (0.081 R)
• M4: 1,168,359 km (0.114 R)
• M5: 1,733,391 km (0.074 R)
• M6: 2,061,309 km (0.071 R)
• M7: 2,725,823 km (0.114 R)
• M8: 3,056,284 km (0.057 R)
• M9: 3,838,532 km (0.102 R)
• M10: 4,385,910 km (0.051 R)
• M11: 4,671,044 km (0.053 R)
• M12: 5,724,063 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.9

Radius: 14.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.4 AU - 1.78 AU

Year: 1275 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,098,541 km

• M1: 184,155 km (0.058 R)
• M2: 827,725 km (0.109 R)
• M3: 1,852,171 km (0.095 R)
• M4: 2,734,350 km (0.058 R)
• M5: 3,333,938 km (0.098 R)
• M6: 4,530,123 km (0.118 R)
• M7: 6,229,255 km (0.074 R)
• M8: 6,914,862 km (0.113 R)
• M9: 8,150,541 km (0.091 R)
• M10: 10,373,864 km (0.115 R)
• M11: 10,849,286 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.3

Radius: 9.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.41 AU - 1.95 AU

Year: 1385 Days

Day: 8.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,098,541 km

• M1: 114,442 km (0.101 R)
• M2: 440,865 km (0.075 R)
• M3: 884,572 km (0.118 R)
• M4: 1,301,501 km (0.106 R)
• M5: 1,704,518 km (0.042 R)
• M6: 2,008,052 km (0.09 R)
• M7: 2,624,844 km (0.118 R)
• M8: 3,245,376 km (0.11 R)
• M9: 4,044,378 km (0.076 R)
• M10: 4,481,354 km (0.093 R)
• M11: 4,872,552 km (0.114 R)
• M12: 5,533,176 km (0.098 R)
• M13: 5,874,409 km (0.119 R)
• M14: 6,320,809 km (0.087 R)
• M15: 9,430,051 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 13

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.62 AU - 2.24 AU

Year: 1705 Days

Day: 7.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,098,541 km

• M1: 161,715 km (0.106 R)
• M2: 727,943 km (0.082 R)
• M3: 1,161,927 km (0.066 R)
• M4: 1,656,048 km (0.048 R)
• M5: 2,179,940 km (0.105 R)
• M6: 2,597,917 km (0.089 R)
• M7: 3,111,785 km (0.118 R)
• M8: 3,756,851 km (0.075 R)
• M9: 4,328,914 km (0.099 R)
• M10: 4,939,123 km (0.078 R)
• M11: 5,755,329 km (0.092 R)
• M12: 7,246,222 km (0.116 R)
• M13: 8,190,932 km (0.063 R)
• M14: 9,576,059 km (0.045 R)
• M15: 10,420,988 km (0.047 R)
• M16: 11,247,067 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904

Radius: 3.1

Gravity: 94.07 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.96 AU - 8.54 AU

Year: 15067 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,098,541 km

• M1: 39,943 km (0.088 R)
• M2: 290,818 km (0.058 R)
• M3: 448,046 km (0.105 R)
• M4: 696,528 km (0.084 R)
• M5: 3,128,241 km (0.069 R)
• M6: 3,287,563 km (0.118 R)
• M7: 3,396,769 km (0.118 R)
• M8: 5,452,992 km (0.089 R)
• M9: 6,458,290 km (0.109 R)
• M10: 7,027,061 km (0.067 R)
• M11: 7,439,801 km (0.048 R)
• M12: 8,313,602 km (0.054 R)
• M13: 12,296,945 km (0.107 R)
• M14: 16,024,176 km (0.076 R)
• M15: 19,356,468 km (0.104 R)
• M16: 20,347,704 km (0.032 R)
• M17: 26,247,096 km (0.109 R)
• M18: 26,574,267 km (0.084 R)
• M19: 27,797,080 km (0.119 R)
• M20: 29,406,902 km (0.064 R)
• M21: 30,714,687 km (0.097 R)
• M22: 35,397,250 km (0.092 R)
• M23: 35,796,526 km (0.104 R)
• M24: 43,354,510 km (0.089 R)
• M25: 51,057,604 km (0.034 R)
• M26: 52,251,843 km (0.095 R)
• M27: 57,215,800 km (0.11 R)
• M28: 62,291,207 km (0.07 R)
• M29: 67,454,278 km (0.077 R)
• M30: 69,098,508 km (0.047 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: 269 - 12,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit