🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 11.4

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.68 AU - 0.98 AU

Year: 513 Days

Day: 6.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,899,866 km

• M1: 141,819 km (0.076 R)
• M2: 547,977 km (0.114 R)
• M3: 1,026,840 km (0.085 R)
• M4: 1,485,208 km (0.054 R)
• M5: 1,894,807 km (0.085 R)
• M6: 2,678,999 km (0.095 R)
• M7: 3,246,423 km (0.118 R)
• M8: 3,772,559 km (0.058 R)
• M9: 4,607,465 km (0.107 R)
• M10: 5,273,923 km (0.094 R)
• M11: 5,985,411 km (0.115 R)
• M12: 6,526,506 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.9

Radius: 14.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.94 AU - 1.07 AU

Year: 678 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 118.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,899,866 km

• M1: 175,329 km (0.117 R)
• M2: 636,689 km (0.12 R)
• M3: 1,111,063 km (0.061 R)
• M4: 1,595,312 km (0.114 R)
• M5: 2,070,285 km (0.112 R)
• M6: 2,543,463 km (0.083 R)
• M7: 3,056,733 km (0.117 R)
• M8: 3,639,118 km (0.083 R)
• M9: 4,226,140 km (0.041 R)
• M10: 5,591,968 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.04 AU - 1.64 AU

Year: 1052 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,899,866 km

• M1: 112,049 km (0.103 R)
• M2: 404,662 km (0.095 R)
• M3: 696,976 km (0.109 R)
• M4: 1,063,042 km (0.071 R)
• M5: 1,812,378 km (0.101 R)
• M6: 2,454,303 km (0.078 R)
• M7: 2,755,443 km (0.105 R)
• M8: 3,240,439 km (0.051 R)
• M9: 3,589,751 km (0.051 R)
• M10: 5,246,846 km (0.111 R)
• M11: 6,435,401 km (0.115 R)
• M12: 6,853,826 km (0.041 R)
• M13: 7,672,276 km (0.088 R)
• M14: 8,042,531 km (0.066 R)
• M15: 8,398,574 km (0.074 R)
• M16: 9,252,479 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 9

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.17 AU - 2.57 AU

Year: 2475 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,899,866 km

• M1: 111,899 km (0.078 R)
• M2: 409,898 km (0.082 R)
• M3: 1,222,963 km (0.101 R)
• M4: 1,624,483 km (0.051 R)
• M5: 2,063,403 km (0.079 R)
• M6: 2,523,267 km (0.079 R)
• M7: 8,124,212 km (0.114 R)
• M8: 9,034,066 km (0.087 R)
• M9: 9,444,263 km (0.104 R)
• M10: 10,599,009 km (0.114 R)
• M11: 14,302,903 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 8.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.43 AU - 5.49 AU

Year: 8653 Days

Day: 6 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,899,866 km

• M1: 109,506 km (0.109 R)
• M2: 388,057 km (0.103 R)
• M3: 802,144 km (0.033 R)
• M4: 1,453,343 km (0.096 R)
• M5: 1,769,144 km (0.109 R)
• M6: 3,330,049 km (0.071 R)
• M7: 4,297,498 km (0.073 R)
• M8: 5,803,051 km (0.081 R)
• M9: 6,777,083 km (0.103 R)
• M10: 8,881,027 km (0.086 R)
• M11: 9,554,367 km (0.082 R)
• M12: 10,674,257 km (0.108 R)
• M13: 12,181,306 km (0.047 R)
• M14: 17,613,055 km (0.106 R)
• M15: 18,205,163 km (0.109 R)
• M16: 19,849,244 km (0.09 R)
• M17: 20,275,299 km (0.066 R)
• M18: 21,219,261 km (0.092 R)
• M19: 23,509,156 km (0.113 R)
• M20: 28,394,424 km (0.106 R)
• M21: 30,599,796 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.4

Radius: 11.8

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.14 AU - 6.02 AU

Year: 8940 Days

Day: 14.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,899,866 km

• M1: 150,645 km (0.083 R)
• M2: 532,120 km (0.117 R)
• M3: 947,254 km (0.053 R)
• M4: 1,453,942 km (0.04 R)
• M5: 2,005,958 km (0.101 R)
• M6: 4,458,166 km (0.095 R)
• M7: 5,370,564 km (0.05 R)
• M8: 7,896,075 km (0.105 R)
• M9: 9,370,661 km (0.099 R)
• M10: 10,198,386 km (0.082 R)
• M11: 10,759,528 km (0.118 R)
• M12: 11,341,164 km (0.118 R)
• M13: 14,442,627 km (0.107 R)
• M14: 15,680,400 km (0.052 R)
• M15: 18,968,412 km (0.099 R)
• M16: 19,896,367 km (0.06 R)
• M17: 20,612,193 km (0.053 R)
• M18: 21,098,685 km (0.082 R)
• M19: 23,647,833 km (0.099 R)
• M20: 27,552,038 km (0.05 R)
• M21: 28,541,329 km (0.096 R)
• M22: 29,349,606 km (0.092 R)
• M23: 29,862,577 km (0.109 R)
• M24: 31,224,217 km (0.075 R)
• M25: 33,734,021 km (0.071 R)
• M26: 36,023,167 km (0.1 R)
• M27: 39,523,907 km (0.099 R)
• M28: 40,149,675 km (0.044 R)
• M29: 43,245,304 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795

Radius: 8

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.81 AU - 8.49 AU

Year: 12967 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,899,866 km

• M1: 106,514 km (0.115 R)
• M2: 431,141 km (0.085 R)
• M3: 762,650 km (0.12 R)
• M4: 1,187,358 km (0.115 R)
• M5: 1,986,510 km (0.096 R)
• M6: 2,367,835 km (0.086 R)
• M7: 2,797,630 km (0.063 R)
• M8: 3,227,873 km (0.119 R)
• M9: 3,984,390 km (0.069 R)
• M10: 6,268,600 km (0.082 R)
• M11: 8,411,290 km (0.118 R)
• M12: 9,052,915 km (0.11 R)
• M13: 10,377,903 km (0.087 R)
• M14: 10,657,801 km (0.108 R)
• M15: 12,071,651 km (0.052 R)
• M16: 14,559,463 km (0.104 R)
• M17: 16,446,491 km (0.092 R)
• M18: 17,527,335 km (0.071 R)
• M19: 20,261,386 km (0.053 R)
• M20: 21,232,575 km (0.077 R)
• M21: 23,844,105 km (0.116 R)
• M22: 24,826,515 km (0.049 R)
• M23: 25,126,458 km (0.12 R)
• M24: 33,192,327 km (0.071 R)
• M25: 35,416,997 km (0.119 R)
• M26: 41,550,360 km (0.046 R)
• M27: 45,461,147 km (0.034 R)
• M28: 46,817,402 km (0.077 R)
• M29: 51,695,339 km (0.115 R)
• M30: 57,597,873 km (0.076 R)
• M31: 59,007,384 km (0.058 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 13,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit