🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 8.8

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.54 AU - 0.88 AU

Year: 380 Days

Day: 7.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,701,647 km

• M1: 109,506 km (0.09 R)
• M2: 386,561 km (0.112 R)
• M3: 662,868 km (0.115 R)
• M4: 963,111 km (0.044 R)
• M5: 1,240,017 km (0.065 R)
• M6: 1,666,520 km (0.071 R)
• M7: 2,040,665 km (0.117 R)
• M8: 2,344,199 km (0.063 R)
• M9: 2,668,228 km (0.083 R)
• M10: 2,980,139 km (0.118 R)
• M11: 3,654,078 km (0.117 R)
• M12: 4,040,190 km (0.092 R)
• M13: 4,494,818 km (0.098 R)
• M14: 4,865,222 km (0.11 R)
• M15: 5,194,487 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 11.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.73 AU - 0.87 AU

Year: 455 Days

Day: 11.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,701,647 km

• M1: 144,661 km (0.094 R)
• M2: 598,990 km (0.111 R)
• M3: 1,095,356 km (0.116 R)
• M4: 1,847,235 km (0.11 R)
• M5: 2,255,786 km (0.117 R)
• M6: 2,745,869 km (0.1 R)
• M7: 3,614,584 km (0.113 R)
• M8: 4,134,287 km (0.115 R)
• M9: 5,241,760 km (0.079 R)
• M10: 5,629,069 km (0.075 R)
• M11: 6,273,686 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990

Radius: 10.3

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.71 AU - 1.01 AU

Year: 507 Days

Day: 12.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,701,647 km

• M1: 128,804 km (0.077 R)
• M2: 574,306 km (0.104 R)
• M3: 1,067,830 km (0.037 R)
• M4: 1,472,193 km (0.093 R)
• M5: 1,800,560 km (0.118 R)
• M6: 2,342,254 km (0.113 R)
• M7: 3,096,826 km (0.046 R)
• M8: 4,672,540 km (0.074 R)
• M9: 5,572,221 km (0.108 R)
• M10: 6,130,521 km (0.061 R)
• M11: 7,079,869 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353

Radius: 8.2

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.21 AU - 1.83 AU

Year: 1192 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,701,647 km

• M1: 102,026 km (0.116 R)
• M2: 360,531 km (0.086 R)
• M3: 923,916 km (0.093 R)
• M4: 1,225,057 km (0.051 R)
• M5: 1,833,472 km (0.099 R)
• M6: 2,242,771 km (0.038 R)
• M7: 3,047,159 km (0.101 R)
• M8: 3,907,496 km (0.065 R)
• M9: 4,570,963 km (0.102 R)
• M10: 5,576,261 km (0.073 R)
• M11: 5,935,296 km (0.079 R)
• M12: 6,352,374 km (0.06 R)
• M13: 6,811,191 km (0.102 R)
• M14: 7,697,409 km (0.063 R)
• M15: 8,143,061 km (0.095 R)
• M16: 8,449,737 km (0.073 R)
• M17: 9,113,353 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.1

Radius: 8.2

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.49 AU - 2.11 AU

Year: 1535 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,701,647 km

• M1: 102,026 km (0.11 R)
• M2: 391,946 km (0.105 R)
• M3: 730,038 km (0.104 R)
• M4: 1,141,282 km (0.109 R)
• M5: 1,418,337 km (0.076 R)
• M6: 1,701,526 km (0.117 R)
• M7: 1,968,259 km (0.081 R)
• M8: 2,548,250 km (0.12 R)
• M9: 3,058,080 km (0.055 R)
• M10: 3,314,341 km (0.063 R)
• M11: 3,905,103 km (0.098 R)
• M12: 4,661,170 km (0.049 R)
• M13: 5,147,214 km (0.114 R)
• M14: 9,044,986 km (0.047 R)
• M15: 9,704,414 km (0.078 R)
• M16: 11,583,513 km (0.085 R)
• M17: 13,371,357 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.7

Radius: 4.9

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.65 AU - 9.69 AU

Year: 14848 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,701,647 km

• M1: 61,036 km (0.048 R)
• M2: 216,917 km (0.12 R)
• M3: 667,057 km (0.071 R)
• M4: 1,056,460 km (0.093 R)
• M5: 1,321,099 km (0.064 R)
• M6: 1,915,451 km (0.083 R)
• M7: 2,179,192 km (0.086 R)
• M8: 2,368,284 km (0.086 R)
• M9: 5,859,150 km (0.09 R)
• M10: 8,430,887 km (0.089 R)
• M11: 8,993,974 km (0.099 R)
• M12: 20,201,547 km (0.073 R)
• M13: 20,533,205 km (0.032 R)
• M14: 21,037,201 km (0.103 R)
• M15: 25,563,434 km (0.043 R)
• M16: 28,568,556 km (0.031 R)
• M17: 29,514,164 km (0.047 R)
• M18: 29,833,855 km (0.106 R)
• M19: 30,806,989 km (0.076 R)
• M20: 36,601,513 km (0.025 R)
• M21: 39,109,072 km (0.11 R)
• M22: 40,013,092 km (0.047 R)
• M23: 41,997,209 km (0.103 R)
• M24: 47,460,672 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.6

Radius: 7

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.51 AU - 11.55 AU

Year: 18706 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,701,647 km

• M1: 87,066 km (0.112 R)
• M2: 489,783 km (0.084 R)
• M3: 853,755 km (0.108 R)
• M4: 1,092,064 km (0.109 R)
• M5: 1,875,359 km (0.078 R)
• M6: 2,490,505 km (0.102 R)
• M7: 2,962,487 km (0.117 R)
• M8: 3,182,396 km (0.108 R)
• M9: 3,794,400 km (0.064 R)
• M10: 4,083,872 km (0.1 R)
• M11: 5,428,458 km (0.065 R)
• M12: 5,834,467 km (0.076 R)
• M13: 6,959,592 km (0.073 R)
• M14: 8,222,647 km (0.12 R)
• M15: 8,908,404 km (0.095 R)
• M16: 9,845,335 km (0.104 R)
• M17: 10,675,005 km (0.093 R)
• M18: 12,160,063 km (0.102 R)
• M19: 19,314,880 km (0.109 R)
• M20: 20,523,481 km (0.085 R)
• M21: 21,507,835 km (0.112 R)
• M22: 24,056,834 km (0.066 R)
• M23: 27,117,756 km (0.108 R)
• M24: 30,314,213 km (0.075 R)
• M25: 31,943,484 km (0.069 R)
• M26: 32,779,736 km (0.08 R)
• M27: 39,453,895 km (0.088 R)
• M28: 45,164,794 km (0.116 R)
• M29: 46,521,497 km (0.065 R)
• M30: 50,272,065 km (0.109 R)
• M31: 52,220,727 km (0.103 R)
• M32: 55,237,368 km (0.05 R)
• M33: 59,977,227 km (0.087 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: 512 - 13,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit