🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 12.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.5 AU - 0.76 AU

Year: 333 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,659,220 km

• M1: 157,975 km (0.112 R)
• M2: 641,775 km (0.101 R)
• M3: 1,105,379 km (0.062 R)
• M4: 1,845,739 km (0.093 R)
• M5: 2,531,645 km (0.051 R)
• M6: 3,072,591 km (0.106 R)
• M7: 3,511,660 km (0.1 R)
• M8: 3,945,045 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.4

Radius: 9.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.04 AU - 1.7 AU

Year: 1069 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 148.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,659,220 km

• M1: 122,072 km (0.11 R)
• M2: 445,353 km (0.096 R)
• M3: 805,435 km (0.05 R)
• M4: 1,343,688 km (0.078 R)
• M5: 1,749,397 km (0.052 R)
• M6: 2,594,326 km (0.102 R)
• M7: 3,334,686 km (0.119 R)
• M8: 3,676,218 km (0.088 R)
• M9: 4,026,277 km (0.089 R)
• M10: 4,844,727 km (0.1 R)
• M11: 5,158,733 km (0.095 R)
• M12: 5,866,780 km (0.093 R)
• M13: 6,638,406 km (0.092 R)
• M14: 7,026,762 km (0.051 R)
• M15: 8,210,230 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.5

Radius: 9.3

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.52 AU - 2 AU

Year: 1557 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,659,220 km

• M1: 115,639 km (0.077 R)
• M2: 421,118 km (0.072 R)
• M3: 769,681 km (0.067 R)
• M4: 1,063,491 km (0.069 R)
• M5: 1,685,519 km (0.091 R)
• M6: 3,189,576 km (0.079 R)
• M7: 3,541,430 km (0.066 R)
• M8: 4,063,078 km (0.108 R)
• M9: 4,458,166 km (0.118 R)
• M10: 4,982,806 km (0.052 R)
• M11: 5,391,806 km (0.087 R)
• M12: 6,780,673 km (0.058 R)
• M13: 7,754,555 km (0.067 R)
• M14: 8,070,057 km (0.102 R)
• M15: 9,386,518 km (0.03 R)
• M16: 9,712,193 km (0.057 R)
• M17: 10,045,347 km (0.108 R)
• M18: 11,640,210 km (0.117 R)
• M19: 13,603,084 km (0.095 R)
• M20: 14,360,797 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 13

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.44 AU - 4.88 AU

Year: 6708 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,659,220 km

• M1: 161,715 km (0.111 R)
• M2: 719,566 km (0.111 R)
• M3: 1,181,075 km (0.106 R)
• M4: 1,896,303 km (0.036 R)
• M5: 2,439,343 km (0.108 R)
• M6: 3,325,261 km (0.05 R)
• M7: 4,176,324 km (0.056 R)
• M8: 4,624,818 km (0.109 R)
• M9: 6,382,593 km (0.044 R)
• M10: 6,878,061 km (0.109 R)
• M11: 9,000,107 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479

Radius: 9.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.21 AU - 5.91 AU

Year: 7590 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,659,220 km

• M1: 115,639 km (0.067 R)
• M2: 456,573 km (0.095 R)
• M3: 787,334 km (0.111 R)
• M4: 1,097,300 km (0.115 R)
• M5: 1,514,828 km (0.117 R)
• M6: 1,903,035 km (0.106 R)
• M7: 2,425,131 km (0.086 R)
• M8: 2,767,411 km (0.118 R)
• M9: 3,461,396 km (0.049 R)
• M10: 4,907,259 km (0.063 R)
• M11: 5,610,369 km (0.072 R)
• M12: 6,246,160 km (0.046 R)
• M13: 6,894,068 km (0.098 R)
• M14: 10,539,320 km (0.052 R)
• M15: 11,707,230 km (0.038 R)
• M16: 13,176,431 km (0.034 R)
• M17: 13,842,291 km (0.049 R)
• M18: 18,385,878 km (0.114 R)
• M19: 18,729,354 km (0.104 R)
• M20: 23,191,410 km (0.107 R)
• M21: 29,610,804 km (0.063 R)
• M22: 31,627,683 km (0.074 R)
• M23: 33,939,867 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 10.8

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.11 AU - 5.67 AU

Year: 8345 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,659,220 km

• M1: 134,339 km (0.099 R)
• M2: 522,994 km (0.116 R)
• M3: 1,229,246 km (0.117 R)
• M4: 1,607,728 km (0.097 R)
• M5: 2,048,593 km (0.104 R)
• M6: 2,588,492 km (0.038 R)
• M7: 2,944,385 km (0.067 R)
• M8: 3,563,421 km (0.106 R)
• M9: 4,031,513 km (0.099 R)
• M10: 4,825,279 km (0.09 R)
• M11: 7,400,158 km (0.116 R)
• M12: 8,206,790 km (0.061 R)
• M13: 9,852,366 km (0.109 R)
• M14: 11,082,210 km (0.066 R)
• M15: 11,707,679 km (0.051 R)
• M16: 12,083,319 km (0.087 R)
• M17: 12,522,389 km (0.1 R)
• M18: 14,693,652 km (0.069 R)
• M19: 19,467,769 km (0.114 R)
• M20: 21,080,285 km (0.106 R)
• M21: 21,717,422 km (0.111 R)
• M22: 32,986,031 km (0.037 R)
• M23: 33,736,713 km (0.12 R)
• M24: 36,853,735 km (0.102 R)
• M25: 37,778,399 km (0.057 R)
• M26: 38,246,491 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.1

Radius: 5.3

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.76 AU - 8.76 AU

Year: 14415 Days

Day: 20.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,659,220 km

• M1: 67,768 km (0.08 R)
• M2: 436,078 km (0.098 R)
• M3: 730,786 km (0.087 R)
• M4: 1,012,628 km (0.11 R)
• M5: 1,794,426 km (0.052 R)
• M6: 2,291,989 km (0.067 R)
• M7: 2,691,864 km (0.056 R)
• M8: 3,459,900 km (0.074 R)
• M9: 3,881,616 km (0.054 R)
• M10: 5,515,075 km (0.091 R)
• M11: 7,398,213 km (0.109 R)
• M12: 8,838,242 km (0.11 R)
• M13: 10,355,165 km (0.071 R)
• M14: 13,413,394 km (0.05 R)
• M15: 14,826,944 km (0.101 R)
• M16: 18,456,787 km (0.105 R)
• M17: 19,506,066 km (0.104 R)
• M18: 20,753,264 km (0.117 R)
• M19: 22,553,525 km (0.06 R)
• M20: 25,354,146 km (0.116 R)
• M21: 26,088,821 km (0.032 R)
• M22: 28,182,444 km (0.066 R)
• M23: 37,088,753 km (0.057 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 13,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit