🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 14.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.57 AU - 0.91 AU

Year: 411 Days

Day: 11.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,683,808 km

• M1: 179,966 km (0.106 R)
• M2: 823,985 km (0.06 R)
• M3: 1,356,404 km (0.111 R)
• M4: 1,906,774 km (0.089 R)
• M5: 2,364,544 km (0.108 R)
• M6: 2,845,052 km (0.109 R)
• M7: 3,379,715 km (0.03 R)
• M8: 4,179,615 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.5

Radius: 14.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.28 AU - 1.84 AU

Year: 1258 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,683,808 km

• M1: 185,651 km (0.055 R)
• M2: 1,253,481 km (0.116 R)
• M3: 2,093,772 km (0.095 R)
• M4: 2,580,862 km (0.099 R)
• M5: 3,261,682 km (0.099 R)
• M6: 4,200,708 km (0.045 R)
• M7: 6,551,040 km (0.112 R)
• M8: 7,587,454 km (0.097 R)
• M9: 8,421,911 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 13.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.63 AU - 2.09 AU

Year: 1638 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,683,808 km

• M1: 164,109 km (0.094 R)
• M2: 1,050,626 km (0.093 R)
• M3: 1,664,875 km (0.119 R)
• M4: 2,547,203 km (0.095 R)
• M5: 2,982,084 km (0.098 R)
• M6: 3,394,525 km (0.045 R)
• M7: 4,020,592 km (0.07 R)
• M8: 5,326,582 km (0.117 R)
• M9: 7,280,779 km (0.09 R)
• M10: 8,036,248 km (0.041 R)
• M11: 10,033,529 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.7

Radius: 9.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.03 AU - 2.63 AU

Year: 2296 Days

Day: 12.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,683,808 km

• M1: 121,174 km (0.091 R)
• M2: 466,895 km (0.072 R)
• M3: 777,011 km (0.077 R)
• M4: 1,154,746 km (0.1 R)
• M5: 1,684,622 km (0.117 R)
• M6: 2,174,106 km (0.071 R)
• M7: 2,524,913 km (0.102 R)
• M8: 2,987,170 km (0.114 R)
• M9: 4,137,129 km (0.049 R)
• M10: 4,599,536 km (0.105 R)
• M11: 5,743,661 km (0.118 R)
• M12: 6,673,860 km (0.114 R)
• M13: 7,014,046 km (0.105 R)
• M14: 7,844,015 km (0.115 R)
• M15: 8,614,893 km (0.063 R)
• M16: 10,869,931 km (0.114 R)
• M17: 11,268,460 km (0.063 R)
• M18: 11,979,797 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 10.7

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.2 AU - 4.16 AU

Year: 4558 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,683,808 km

• M1: 133,142 km (0.092 R)
• M2: 482,453 km (0.075 R)
• M3: 1,768,696 km (0.055 R)
• M4: 2,109,779 km (0.087 R)
• M5: 3,104,904 km (0.045 R)
• M6: 3,754,607 km (0.11 R)
• M7: 4,162,411 km (0.103 R)
• M8: 4,514,116 km (0.071 R)
• M9: 5,113,854 km (0.119 R)
• M10: 5,665,870 km (0.101 R)
• M11: 6,337,415 km (0.119 R)
• M12: 7,061,169 km (0.106 R)
• M13: 7,503,231 km (0.11 R)
• M14: 8,026,524 km (0.11 R)
• M15: 8,443,005 km (0.109 R)
• M16: 10,555,626 km (0.069 R)
• M17: 11,371,981 km (0.101 R)
• M18: 12,063,273 km (0.086 R)
• M19: 13,395,592 km (0.058 R)
• M20: 14,120,543 km (0.091 R)
• M21: 17,549,625 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.2

Radius: 11.9

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.23 AU - 6.27 AU

Year: 7767 Days

Day: 5.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,683,808 km

• M1: 148,401 km (0.111 R)
• M2: 540,796 km (0.077 R)
• M3: 984,055 km (0.104 R)
• M4: 1,422,676 km (0.109 R)
• M5: 2,107,385 km (0.108 R)
• M6: 2,854,178 km (0.073 R)
• M7: 3,244,329 km (0.103 R)
• M8: 3,645,700 km (0.101 R)
• M9: 4,352,101 km (0.083 R)
• M10: 5,899,691 km (0.116 R)
• M11: 8,380,772 km (0.066 R)
• M12: 9,188,451 km (0.055 R)
• M13: 10,395,556 km (0.119 R)
• M14: 11,168,977 km (0.103 R)
• M15: 14,026,446 km (0.103 R)
• M16: 15,360,410 km (0.11 R)
• M17: 15,756,695 km (0.061 R)
• M18: 16,159,712 km (0.111 R)
• M19: 20,898,972 km (0.086 R)
• M20: 22,636,551 km (0.066 R)
• M21: 24,828,310 km (0.092 R)
• M22: 25,283,087 km (0.071 R)
• M23: 26,966,512 km (0.07 R)
• M24: 28,425,540 km (0.049 R)
• M25: 32,033,542 km (0.113 R)
• M26: 33,337,736 km (0.068 R)
• M27: 34,903,726 km (0.113 R)
• M28: 38,910,406 km (0.104 R)
• M29: 42,173,734 km (0.109 R)
• M30: 44,537,231 km (0.096 R)
• M31: 45,074,138 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.3

Radius: 3.1

Gravity: 103.99 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.68 AU - 6.83 AU

Year: 10089 Days

Day: 17.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,683,808 km

• M1: 38,596 km (0.044 R)
• M2: 164,258 km (0.065 R)
• M3: 326,423 km (0.1 R)
• M4: 803,490 km (0.094 R)
• M5: 1,238,072 km (0.077 R)
• M6: 1,371,364 km (0.051 R)
• M7: 1,635,254 km (0.092 R)
• M8: 1,829,133 km (0.083 R)
• M9: 1,984,565 km (0.087 R)
• M10: 2,243,669 km (0.085 R)
• M11: 3,483,686 km (0.072 R)
• M12: 3,668,589 km (0.097 R)
• M13: 4,322,930 km (0.087 R)
• M14: 5,152,001 km (0.095 R)
• M15: 5,254,176 km (0.079 R)
• M16: 5,462,267 km (0.037 R)
• M17: 5,748,298 km (0.115 R)
• M18: 6,706,622 km (0.101 R)
• M19: 7,855,833 km (0.102 R)
• M20: 10,052,379 km (0.032 R)
• M21: 10,535,879 km (0.117 R)
• M22: 12,199,557 km (0.11 R)
• M23: 14,163,029 km (0.093 R)
• M24: 14,430,659 km (0.118 R)
• M25: 16,400,415 km (0.093 R)
• M26: 16,769,921 km (0.09 R)
• M27: 17,602,583 km (0.063 R)
• M28: 20,690,732 km (0.095 R)
• M29: 27,185,972 km (0.107 R)
• M30: 28,227,323 km (0.078 R)
• M31: 28,864,760 km (0.109 R)
• M32: 30,946,414 km (0.113 R)
• M33: 32,196,155 km (0.09 R)
• M34: 36,521,179 km (0.117 R)
• M35: 47,933,402 km (0.106 R)
• M36: 52,740,131 km (0.045 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: 357 - 15,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit