🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452

Radius: 15

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.86 AU - 0.92 AU

Year: 580 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,805,235 km

• M1: 186,549 km (0.114 R)
• M2: 655,239 km (0.075 R)
• M3: 1,333,216 km (0.094 R)
• M4: 1,945,520 km (0.112 R)
• M5: 3,640,763 km (0.107 R)
• M6: 4,220,455 km (0.112 R)
• M7: 4,740,457 km (0.112 R)
• M8: 5,335,707 km (0.081 R)
• M9: 6,087,287 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.8

Radius: 11.5

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.35 AU - 1.95 AU

Year: 1463 Days

Day: 5 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,805,235 km

• M1: 143,315 km (0.093 R)
• M2: 558,299 km (0.12 R)
• M3: 957,127 km (0.071 R)
• M4: 1,335,460 km (0.078 R)
• M5: 1,786,348 km (0.026 R)
• M6: 2,386,535 km (0.04 R)
• M7: 3,608,151 km (0.087 R)
• M8: 4,009,522 km (0.115 R)
• M9: 4,706,499 km (0.083 R)
• M10: 5,312,370 km (0.098 R)
• M11: 6,754,643 km (0.076 R)
• M12: 7,906,547 km (0.082 R)
• M13: 8,913,041 km (0.045 R)
• M14: 9,431,847 km (0.072 R)
• M15: 9,906,221 km (0.114 R)
• M16: 10,396,454 km (0.109 R)
• M17: 11,214,455 km (0.119 R)
• M18: 11,964,987 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.6

Radius: 12.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.82 AU - 2.24 AU

Year: 1996 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,805,235 km

• M1: 157,975 km (0.109 R)
• M2: 651,798 km (0.099 R)
• M3: 1,149,061 km (0.067 R)
• M4: 1,986,809 km (0.116 R)
• M5: 2,726,122 km (0.11 R)
• M6: 3,844,665 km (0.108 R)
• M7: 4,813,461 km (0.102 R)
• M8: 6,513,790 km (0.094 R)
• M9: 7,973,417 km (0.097 R)
• M10: 8,825,826 km (0.11 R)
• M11: 12,160,961 km (0.069 R)
• M12: 13,250,332 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 8.1

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.51 AU - 3.53 AU

Year: 3623 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,805,235 km

• M1: 101,278 km (0.119 R)
• M2: 401,371 km (0.072 R)
• M3: 734,077 km (0.118 R)
• M4: 1,055,712 km (0.101 R)
• M5: 1,647,521 km (0.052 R)
• M6: 2,181,885 km (0.107 R)
• M7: 3,495,354 km (0.094 R)
• M8: 4,198,464 km (0.119 R)
• M9: 4,773,219 km (0.108 R)
• M10: 5,745,905 km (0.084 R)
• M11: 6,308,243 km (0.111 R)
• M12: 7,444,439 km (0.119 R)
• M13: 9,077,449 km (0.118 R)
• M14: 10,076,763 km (0.104 R)
• M15: 10,439,388 km (0.111 R)
• M16: 10,727,215 km (0.092 R)
• M17: 11,492,108 km (0.1 R)
• M18: 11,843,514 km (0.12 R)
• M19: 12,292,756 km (0.068 R)
• M20: 13,130,056 km (0.116 R)
• M21: 13,417,433 km (0.097 R)
• M22: 14,054,570 km (0.067 R)
• M23: 15,762,529 km (0.067 R)
• M24: 16,918,771 km (0.113 R)
• M25: 18,607,133 km (0.111 R)
• M26: 19,647,586 km (0.049 R)
• M27: 19,960,844 km (0.085 R)
• M28: 20,855,589 km (0.083 R)
• M29: 21,181,712 km (0.12 R)
• M30: 21,577,249 km (0.119 R)
• M31: 22,045,191 km (0.103 R)
• M32: 22,383,432 km (0.055 R)
• M33: 22,793,928 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.8

Radius: 11.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.55 AU - 6.41 AU

Year: 8855 Days

Day: 13.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 148.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,805,235 km

• M1: 141,220 km (0.118 R)
• M2: 871,408 km (0.085 R)
• M3: 1,831,976 km (0.089 R)
• M4: 2,356,765 km (0.057 R)
• M5: 4,968,444 km (0.077 R)
• M6: 5,495,927 km (0.096 R)
• M7: 6,491,800 km (0.112 R)
• M8: 8,146,502 km (0.058 R)
• M9: 12,165,748 km (0.106 R)
• M10: 17,147,955 km (0.098 R)
• M11: 28,339,521 km (0.047 R)
• M12: 28,800,732 km (0.081 R)
• M13: 30,119,138 km (0.067 R)
• M14: 31,674,507 km (0.058 R)
• M15: 34,315,208 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967

Radius: 4.5

Gravity: 47.75 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.38 AU - 8.36 AU

Year: 12429 Days

Day: 16.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,805,235 km

• M1: 55,950 km (0.118 R)
• M2: 215,720 km (0.112 R)
• M3: 366,515 km (0.111 R)
• M4: 772,823 km (0.106 R)
• M5: 1,264,850 km (0.077 R)
• M6: 1,524,103 km (0.087 R)
• M7: 1,924,128 km (0.05 R)
• M8: 2,148,824 km (0.086 R)
• M9: 2,834,431 km (0.111 R)
• M10: 3,683,548 km (0.07 R)
• M11: 4,993,727 km (0.1 R)
• M12: 7,097,222 km (0.101 R)
• M13: 8,637,931 km (0.084 R)
• M14: 9,889,466 km (0.111 R)
• M15: 10,332,276 km (0.097 R)
• M16: 10,845,995 km (0.116 R)
• M17: 13,006,338 km (0.11 R)
• M18: 13,876,848 km (0.067 R)
• M19: 14,501,868 km (0.047 R)
• M20: 16,489,276 km (0.114 R)
• M21: 18,818,215 km (0.042 R)
• M22: 19,669,726 km (0.113 R)
• M23: 21,540,747 km (0.095 R)
• M24: 25,632,249 km (0.051 R)
• M25: 25,838,993 km (0.12 R)
• M26: 28,964,392 km (0.078 R)
• M27: 33,923,561 km (0.115 R)
• M28: 40,111,228 km (0.045 R)
• M29: 42,812,367 km (0.089 R)
• M30: 45,935,971 km (0.056 R)
• M31: 51,638,492 km (0.115 R)
• M32: 55,001,452 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450

Radius: 7.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.65 AU - 9.55 AU

Year: 18948 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,805,235 km

• M1: 600,336 km (0.072 R)
• M2: 1,366,128 km (0.088 R)
• M3: 1,684,322 km (0.117 R)
• M4: 3,705,539 km (0.102 R)
• M5: 6,421,339 km (0.086 R)
• M6: 8,351,750 km (0.055 R)
• M7: 10,129,870 km (0.034 R)
• M8: 13,049,721 km (0.094 R)
• M9: 17,352,605 km (0.102 R)
• M10: 18,413,703 km (0.116 R)
• M11: 19,258,931 km (0.069 R)
• M12: 23,679,099 km (0.066 R)
• M13: 24,576,985 km (0.071 R)
• M14: 27,953,858 km (0.111 R)
• M15: 35,481,922 km (0.114 R)
• M16: 43,070,274 km (0.086 R)
• M17: 43,958,287 km (0.097 R)
• M18: 53,012,249 km (0.088 R)
• M19: 53,520,433 km (0.079 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: 348 - 19,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit