🌌 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: 397.9

Radius: 8.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.5 AU - 0.62 AU

Year: 279 Days

Day: 5.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,513,413 km

• M1: 107,411 km (0.093 R)
• M2: 379,530 km (0.059 R)
• M3: 698,622 km (0.092 R)
• M4: 1,040,004 km (0.065 R)
• M5: 1,338,751 km (0.059 R)
• M6: 1,701,676 km (0.087 R)
• M7: 1,993,392 km (0.099 R)
• M8: 2,389,527 km (0.091 R)
• M9: 3,231,464 km (0.104 R)
• M10: 3,672,329 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 9.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.19 AU - 1.71 AU

Year: 1164 Days

Day: 9.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,513,413 km

• M1: 118,182 km (0.052 R)
• M2: 423,512 km (0.036 R)
• M3: 992,432 km (0.111 R)
• M4: 1,496,278 km (0.116 R)
• M5: 1,973,495 km (0.086 R)
• M6: 2,896,364 km (0.091 R)
• M7: 3,727,530 km (0.104 R)
• M8: 4,726,994 km (0.112 R)
• M9: 5,362,635 km (0.115 R)
• M10: 6,978,741 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 12.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.24 AU - 1.8 AU

Year: 1250 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 95.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,513,413 km

• M1: 158,424 km (0.047 R)
• M2: 889,808 km (0.099 R)
• M3: 1,959,732 km (0.06 R)
• M4: 3,269,013 km (0.11 R)
• M5: 3,838,831 km (0.101 R)
• M6: 5,246,697 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.4

Radius: 10.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.53 AU - 2.53 AU

Year: 1929 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,513,413 km

• M1: 126,859 km (0.092 R)
• M2: 533,915 km (0.068 R)
• M3: 1,038,508 km (0.105 R)
• M4: 1,735,784 km (0.098 R)
• M5: 2,177,247 km (0.044 R)
• M6: 3,046,261 km (0.12 R)
• M7: 4,279,097 km (0.101 R)
• M8: 5,523,602 km (0.046 R)
• M9: 6,074,272 km (0.032 R)
• M10: 7,099,616 km (0.083 R)
• M11: 7,667,639 km (0.086 R)
• M12: 8,149,494 km (0.048 R)
• M13: 8,802,788 km (0.085 R)
• M14: 10,146,924 km (0.119 R)
• M15: 12,412,584 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 11.9

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.71 AU - 2.69 AU

Year: 2176 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,513,413 km

• M1: 148,102 km (0.104 R)
• M2: 641,625 km (0.06 R)
• M3: 1,229,994 km (0.086 R)
• M4: 1,637,947 km (0.113 R)
• M5: 2,087,937 km (0.119 R)
• M6: 2,858,217 km (0.071 R)
• M7: 3,465,135 km (0.045 R)
• M8: 3,961,052 km (0.06 R)
• M9: 4,782,794 km (0.104 R)
• M10: 5,641,186 km (0.086 R)
• M11: 6,017,275 km (0.086 R)
• M12: 6,517,830 km (0.086 R)
• M13: 8,606,665 km (0.115 R)
• M14: 9,732,389 km (0.116 R)
• M15: 10,573,278 km (0.073 R)
• M16: 11,147,285 km (0.069 R)
• M17: 12,067,911 km (0.117 R)
• M18: 14,474,492 km (0.104 R)
• M19: 15,230,858 km (0.108 R)
• M20: 16,213,268 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.5

Radius: 10.7

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.7 AU - 3.9 AU

Year: 4940 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,513,413 km

• M1: 133,292 km (0.034 R)
• M2: 772,075 km (0.071 R)
• M3: 1,448,407 km (0.114 R)
• M4: 2,045,900 km (0.082 R)
• M5: 3,305,215 km (0.11 R)
• M6: 3,800,684 km (0.082 R)
• M7: 5,387,468 km (0.083 R)
• M8: 8,614,294 km (0.073 R)
• M9: 11,259,933 km (0.1 R)
• M10: 17,641,479 km (0.057 R)
• M11: 19,088,838 km (0.083 R)
• M12: 24,779,391 km (0.115 R)
• M13: 26,256,072 km (0.087 R)
• M14: 30,203,511 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 13.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.7 AU - 4 AU

Year: 5038 Days

Day: 11.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,513,413 km

• M1: 165,455 km (0.091 R)
• M2: 584,479 km (0.12 R)
• M3: 1,049,728 km (0.075 R)
• M4: 2,135,061 km (0.054 R)
• M5: 3,130,635 km (0.075 R)
• M6: 3,734,561 km (0.034 R)
• M7: 4,243,643 km (0.069 R)
• M8: 5,693,695 km (0.045 R)
• M9: 6,931,019 km (0.104 R)
• M10: 7,924,798 km (0.073 R)
• M11: 8,612,499 km (0.086 R)
• M12: 10,195,095 km (0.05 R)
• M13: 11,195,905 km (0.079 R)
• M14: 11,720,245 km (0.083 R)
• M15: 12,161,559 km (0.095 R)
• M16: 13,552,221 km (0.109 R)
• M17: 16,956,919 km (0.063 R)
• M18: 19,361,555 km (0.042 R)
• M19: 23,653,518 km (0.066 R)
• M20: 24,438,907 km (0.111 R)
• M21: 25,896,588 km (0.09 R)
• M22: 28,630,040 km (0.094 R)
• M23: 29,612,450 km (0.111 R)
• M24: 31,174,850 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.4

Radius: 9.7

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.01 AU - 4.97 AU

Year: 6345 Days

Day: 12.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,513,413 km

• M1: 120,576 km (0.117 R)
• M2: 501,302 km (0.085 R)
• M3: 2,107,236 km (0.089 R)
• M4: 3,007,366 km (0.102 R)
• M5: 3,330,797 km (0.055 R)
• M6: 4,292,860 km (0.099 R)
• M7: 5,199,274 km (0.077 R)
• M8: 5,667,815 km (0.067 R)
• M9: 8,211,128 km (0.114 R)
• M10: 8,929,198 km (0.115 R)
• M11: 9,345,977 km (0.101 R)
• M12: 10,353,968 km (0.094 R)
• M13: 11,096,721 km (0.027 R)
• M14: 11,874,780 km (0.06 R)
• M15: 12,533,160 km (0.113 R)
• M16: 15,235,795 km (0.054 R)
• M17: 16,135,327 km (0.03 R)
• M18: 17,197,023 km (0.086 R)
• M19: 18,842,151 km (0.109 R)
• M20: 19,183,384 km (0.086 R)
• M21: 19,878,116 km (0.093 R)
• M22: 21,837,998 km (0.086 R)
• M23: 23,292,239 km (0.11 R)
• M24: 23,606,394 km (0.039 R)
• M25: 24,003,128 km (0.099 R)
• M26: 24,484,983 km (0.102 R)
• M27: 25,385,263 km (0.118 R)
• M28: 25,718,118 km (0.054 R)
• M29: 27,688,471 km (0.089 R)
• M30: 28,041,074 km (0.12 R)
• M31: 30,313,765 km (0.098 R)
• M32: 32,608,297 km (0.089 R)
• M33: 33,001,739 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 11.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.3 AU - 7.06 AU

Year: 9027 Days

Day: 8.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,513,413 km

• M1: 141,071 km (0.113 R)
• M2: 610,808 km (0.081 R)
• M3: 1,045,839 km (0.096 R)
• M4: 2,354,371 km (0.076 R)
• M5: 4,775,014 km (0.086 R)
• M6: 9,396,392 km (0.072 R)
• M7: 11,704,687 km (0.052 R)
• M8: 16,795,353 km (0.104 R)
• M9: 24,741,094 km (0.066 R)
• M10: 26,850,873 km (0.044 R)
• M11: 30,056,307 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.1

Radius: 6

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.3 AU - 9.2 AU

Year: 17260 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,513,413 km

• M1: 75,996 km (0.096 R)
• M2: 327,320 km (0.058 R)
• M3: 550,071 km (0.108 R)
• M4: 1,450,501 km (0.055 R)
• M5: 1,663,528 km (0.115 R)
• M6: 1,950,158 km (0.064 R)
• M7: 2,329,239 km (0.101 R)
• M8: 2,536,731 km (0.08 R)
• M9: 4,081,927 km (0.095 R)
• M10: 7,684,244 km (0.098 R)
• M11: 7,959,205 km (0.05 R)
• M12: 8,577,643 km (0.084 R)
• M13: 8,774,214 km (0.1 R)
• M14: 17,871,710 km (0.117 R)
• M15: 18,681,782 km (0.089 R)
• M16: 23,483,575 km (0.086 R)
• M17: 29,269,123 km (0.068 R)
• M18: 33,087,608 km (0.062 R)
• M19: 45,013,850 km (0.089 R)
• M20: 50,394,885 km (0.061 R)
• M21: 54,490,725 km (0.091 R)
• M22: 54,996,665 km (0.119 R)
• M23: 58,273,906 km (0.094 R)
• M24: 59,335,303 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 12,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit