🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 10.6

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.68 AU - 1.02 AU

Year: 532 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,294,401 km

• M1: 132,095 km (0.1 R)
• M2: 488,437 km (0.063 R)
• M3: 1,012,628 km (0.115 R)
• M4: 1,429,557 km (0.097 R)
• M5: 1,910,963 km (0.09 R)
• M6: 2,401,046 km (0.119 R)
• M7: 3,203,938 km (0.099 R)
• M8: 3,609,946 km (0.076 R)
• M9: 3,954,021 km (0.104 R)
• M10: 5,470,944 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.3

Radius: 8.1

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.68 AU - 1.1 AU

Year: 569 Days

Day: 5.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,294,401 km

• M1: 101,727 km (0.089 R)
• M2: 353,949 km (0.092 R)
• M3: 706,700 km (0.106 R)
• M4: 990,338 km (0.093 R)
• M5: 1,514,678 km (0.116 R)
• M6: 1,798,166 km (0.084 R)
• M7: 2,052,483 km (0.085 R)
• M8: 2,310,838 km (0.082 R)
• M9: 2,667,480 km (0.107 R)
• M10: 3,373,881 km (0.097 R)
• M11: 3,694,619 km (0.087 R)
• M12: 4,079,983 km (0.11 R)
• M13: 4,460,410 km (0.112 R)
• M14: 4,914,290 km (0.04 R)
• M15: 5,363,233 km (0.092 R)
• M16: 6,382,743 km (0.09 R)
• M17: 7,593,588 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 12.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.03 AU - 1.11 AU

Year: 751 Days

Day: 12.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,294,401 km

• M1: 154,385 km (0.056 R)
• M2: 594,801 km (0.077 R)
• M3: 1,256,024 km (0.033 R)
• M4: 1,738,028 km (0.068 R)
• M5: 2,620,955 km (0.116 R)
• M6: 3,191,072 km (0.114 R)
• M7: 4,396,831 km (0.118 R)
• M8: 4,824,681 km (0.06 R)
• M9: 6,008,150 km (0.105 R)
• M10: 6,580,362 km (0.034 R)
• M11: 7,859,124 km (0.114 R)
• M12: 8,596,791 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.3

Radius: 11

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.84 AU - 2.44 AU

Year: 2123 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,294,401 km

• M1: 137,780 km (0.117 R)
• M2: 559,496 km (0.045 R)
• M3: 1,472,043 km (0.117 R)
• M4: 1,892,563 km (0.109 R)
• M5: 2,855,973 km (0.085 R)
• M6: 3,486,977 km (0.082 R)
• M7: 5,252,680 km (0.111 R)
• M8: 9,391,156 km (0.104 R)
• M9: 12,801,838 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.8

Radius: 6.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.18 AU - 8.48 AU

Year: 12107 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 54.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,294,401 km

• M1: 78,539 km (0.074 R)
• M2: 314,604 km (0.074 R)
• M3: 584,180 km (0.056 R)
• M4: 823,686 km (0.072 R)
• M5: 1,405,771 km (0.095 R)
• M6: 1,656,647 km (0.068 R)
• M7: 3,844,366 km (0.108 R)
• M8: 4,932,691 km (0.093 R)
• M9: 5,452,244 km (0.076 R)
• M10: 5,774,627 km (0.091 R)
• M11: 6,636,311 km (0.115 R)
• M12: 8,064,821 km (0.104 R)
• M13: 9,005,044 km (0.073 R)
• M14: 9,686,911 km (0.068 R)
• M15: 15,262,424 km (0.053 R)
• M16: 24,608,102 km (0.108 R)
• M17: 26,298,258 km (0.049 R)
• M18: 27,969,416 km (0.108 R)
• M19: 29,219,606 km (0.1 R)
• M20: 29,907,906 km (0.113 R)
• M21: 37,511,816 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.5

Radius: 7.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.86 AU - 7.68 AU

Year: 13295 Days

Day: 22 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,294,401 km

• M1: 98,585 km (0.062 R)
• M2: 481,855 km (0.112 R)
• M3: 784,042 km (0.074 R)
• M4: 1,355,806 km (0.115 R)
• M5: 1,618,799 km (0.06 R)
• M6: 2,145,981 km (0.106 R)
• M7: 2,449,964 km (0.097 R)
• M8: 3,079,023 km (0.095 R)
• M9: 3,467,379 km (0.099 R)
• M10: 4,398,177 km (0.117 R)
• M11: 4,655,037 km (0.099 R)
• M12: 6,198,588 km (0.092 R)
• M13: 6,856,818 km (0.062 R)
• M14: 7,163,943 km (0.12 R)
• M15: 7,764,728 km (0.065 R)
• M16: 8,795,158 km (0.075 R)
• M17: 10,357,109 km (0.081 R)
• M18: 11,495,998 km (0.049 R)
• M19: 12,375,334 km (0.106 R)
• M20: 12,889,053 km (0.101 R)
• M21: 14,516,379 km (0.084 R)
• M22: 15,477,246 km (0.054 R)
• M23: 16,754,363 km (0.11 R)
• M24: 20,846,014 km (0.064 R)
• M25: 21,819,747 km (0.083 R)
• M26: 22,067,780 km (0.06 R)
• M27: 23,164,632 km (0.063 R)
• M28: 26,956,788 km (0.05 R)
• M29: 31,248,003 km (0.047 R)
• M30: 34,274,368 km (0.11 R)
• M31: 37,846,915 km (0.107 R)
• M32: 42,555,209 km (0.081 R)
• M33: 42,942,667 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.9

Radius: 6.7

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.84 AU - 9.34 AU

Year: 15607 Days

Day: 15.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,294,401 km

• M1: 85,271 km (0.04 R)
• M2: 685,308 km (0.05 R)
• M3: 980,614 km (0.078 R)
• M4: 1,787,545 km (0.103 R)
• M5: 2,267,305 km (0.057 R)
• M6: 2,594,476 km (0.1 R)
• M7: 2,809,598 km (0.1 R)
• M8: 5,638,942 km (0.04 R)
• M9: 10,584,648 km (0.106 R)
• M10: 12,191,030 km (0.077 R)
• M11: 16,469,529 km (0.118 R)
• M12: 22,135,399 km (0.1 R)
• M13: 28,017,736 km (0.088 R)
• M14: 28,783,079 km (0.074 R)
• M15: 33,777,254 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.5

Radius: 4.9

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.28 AU - 11.08 AU

Year: 18865 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,294,401 km

• M1: 64,327 km (0.101 R)
• M2: 217,515 km (0.118 R)
• M3: 400,174 km (0.055 R)
• M4: 714,629 km (0.064 R)
• M5: 1,167,462 km (0.093 R)
• M6: 1,547,590 km (0.026 R)
• M7: 1,897,051 km (0.059 R)
• M8: 3,087,102 km (0.08 R)
• M9: 3,925,598 km (0.12 R)
• M10: 4,940,170 km (0.09 R)
• M11: 6,079,059 km (0.089 R)
• M12: 6,563,607 km (0.039 R)
• M13: 7,563,369 km (0.104 R)
• M14: 8,123,613 km (0.07 R)
• M15: 10,757,583 km (0.097 R)
• M16: 13,570,621 km (0.102 R)
• M17: 16,994,468 km (0.087 R)
• M18: 19,889,336 km (0.079 R)
• M19: 20,239,694 km (0.092 R)
• M20: 21,775,017 km (0.117 R)
• M21: 23,678,800 km (0.073 R)
• M22: 24,570,553 km (0.115 R)
• M23: 27,596,170 km (0.118 R)
• M24: 30,050,622 km (0.034 R)
• M25: 30,280,703 km (0.071 R)
• M26: 33,256,953 km (0.067 R)
• M27: 35,903,040 km (0.073 R)
• M28: 36,553,193 km (0.064 R)
• M29: 46,036,800 km (0.044 R)
• M30: 46,495,916 km (0.107 R)
• M31: 48,521,321 km (0.116 R)
• M32: 49,957,611 km (0.08 R)
• M33: 53,249,960 km (0.062 R)
• M34: 53,418,408 km (0.036 R)
• M35: 57,565,261 km (0.08 R)
• M36: 61,180,892 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 17,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit