🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.53 AU - 0.73 AU

Year: 328 Days

Day: 26.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,519,573 km

• M1: 68,366 km (0.118 R)
• M2: 434,881 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 9.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.74 AU - 1.2 AU

Year: 627 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,519,573 km

• M1: 114,442 km (0.111 R)
• M2: 457,021 km (0.101 R)
• M3: 1,072,018 km (0.091 R)
• M4: 1,433,297 km (0.109 R)
• M5: 1,770,790 km (0.101 R)
• M6: 2,348,687 km (0.105 R)
• M7: 2,746,318 km (0.112 R)
• M8: 3,164,743 km (0.087 R)
• M9: 3,625,355 km (0.098 R)
• M10: 4,497,211 km (0.103 R)
• M11: 4,982,507 km (0.051 R)
• M12: 5,984,513 km (0.031 R)
• M13: 6,611,627 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 8.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.35 AU - 1.73 AU

Year: 1254 Days

Day: 9 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,519,573 km

• M1: 108,907 km (0.053 R)
• M2: 407,205 km (0.094 R)
• M3: 774,468 km (0.087 R)
• M4: 1,528,890 km (0.088 R)
• M5: 2,189,066 km (0.114 R)
• M6: 2,466,270 km (0.11 R)
• M7: 2,889,034 km (0.12 R)
• M8: 3,291,303 km (0.092 R)
• M9: 4,796,706 km (0.064 R)
• M10: 5,083,336 km (0.103 R)
• M11: 5,400,334 km (0.059 R)
• M12: 5,750,542 km (0.104 R)
• M13: 6,670,569 km (0.092 R)
• M14: 7,281,826 km (0.082 R)
• M15: 8,079,183 km (0.073 R)
• M16: 8,434,478 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.5

Radius: 10.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.44 AU - 1.7 AU

Year: 1291 Days

Day: 14.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,519,573 km

• M1: 128,056 km (0.106 R)
• M2: 1,183,319 km (0.069 R)
• M3: 1,571,974 km (0.119 R)
• M4: 2,929,276 km (0.102 R)
• M5: 4,946,603 km (0.111 R)
• M6: 6,723,078 km (0.095 R)
• M7: 7,250,111 km (0.106 R)
• M8: 7,584,313 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 10.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.45 AU - 2.09 AU

Year: 1545 Days

Day: 14.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,519,573 km

• M1: 125,662 km (0.066 R)
• M2: 480,808 km (0.094 R)
• M3: 857,794 km (0.073 R)
• M4: 1,276,070 km (0.069 R)
• M5: 1,699,881 km (0.075 R)
• M6: 2,384,141 km (0.111 R)
• M7: 3,020,830 km (0.105 R)
• M8: 3,627,000 km (0.029 R)
• M9: 4,108,257 km (0.039 R)
• M10: 5,623,234 km (0.099 R)
• M11: 5,940,382 km (0.047 R)
• M12: 6,633,768 km (0.109 R)
• M13: 6,988,315 km (0.081 R)
• M14: 7,330,595 km (0.071 R)
• M15: 7,787,018 km (0.115 R)
• M16: 9,536,116 km (0.091 R)
• M17: 10,019,168 km (0.11 R)
• M18: 10,903,740 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 11.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.43 AU - 2.95 AU

Year: 2894 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,519,573 km

• M1: 144,212 km (0.079 R)
• M2: 512,373 km (0.061 R)
• M3: 1,058,704 km (0.069 R)
• M4: 1,661,733 km (0.042 R)
• M5: 2,366,938 km (0.034 R)
• M6: 2,951,267 km (0.101 R)
• M7: 3,459,600 km (0.108 R)
• M8: 4,390,698 km (0.091 R)
• M9: 5,012,127 km (0.117 R)
• M10: 5,574,166 km (0.111 R)
• M11: 6,824,804 km (0.068 R)
• M12: 8,593,500 km (0.098 R)
• M13: 9,873,609 km (0.074 R)
• M14: 10,649,723 km (0.075 R)
• M15: 11,542,373 km (0.099 R)
• M16: 12,564,875 km (0.073 R)
• M17: 13,434,038 km (0.116 R)
• M18: 14,298,564 km (0.059 R)
• M19: 14,744,516 km (0.025 R)
• M20: 15,292,044 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 9.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.94 AU - 4.74 AU

Year: 4936 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,519,573 km

• M1: 125,662 km (0.08 R)
• M2: 501,003 km (0.084 R)
• M3: 845,078 km (0.103 R)
• M4: 2,015,083 km (0.046 R)
• M5: 6,659,499 km (0.083 R)
• M6: 7,031,698 km (0.115 R)
• M7: 8,517,205 km (0.118 R)
• M8: 8,845,124 km (0.088 R)
• M9: 9,800,755 km (0.076 R)
• M10: 12,512,665 km (0.111 R)
• M11: 14,116,205 km (0.114 R)
• M12: 14,784,010 km (0.105 R)
• M13: 16,857,436 km (0.104 R)
• M14: 17,433,687 km (0.05 R)
• M15: 17,844,932 km (0.057 R)
• M16: 20,973,023 km (0.116 R)
• M17: 22,666,471 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 9.5

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.17 AU - 4.59 AU

Year: 6013 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,519,573 km

• M1: 119,379 km (0.086 R)
• M2: 710,141 km (0.102 R)
• M3: 1,438,384 km (0.05 R)
• M4: 2,550,045 km (0.109 R)
• M5: 2,954,558 km (0.111 R)
• M6: 3,619,520 km (0.108 R)
• M7: 4,799,997 km (0.058 R)
• M8: 7,274,496 km (0.115 R)
• M9: 9,518,015 km (0.067 R)
• M10: 9,910,261 km (0.096 R)
• M11: 10,727,065 km (0.081 R)
• M12: 11,344,455 km (0.081 R)
• M13: 12,289,315 km (0.041 R)
• M14: 12,912,391 km (0.111 R)
• M15: 13,556,409 km (0.116 R)
• M16: 17,038,898 km (0.1 R)
• M17: 19,088,539 km (0.043 R)
• M18: 23,042,410 km (0.075 R)
• M19: 29,302,333 km (0.118 R)
• M20: 32,426,685 km (0.094 R)
• M21: 32,918,712 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.6

Radius: 8.5

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.73 AU - 5.15 AU

Year: 7203 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,519,573 km

• M1: 109,356 km (0.041 R)
• M2: 707,299 km (0.055 R)
• M3: 974,032 km (0.037 R)
• M4: 1,518,867 km (0.089 R)
• M5: 1,794,277 km (0.118 R)
• M6: 2,340,907 km (0.116 R)
• M7: 2,911,474 km (0.093 R)
• M8: 3,862,617 km (0.091 R)
• M9: 4,221,802 km (0.111 R)
• M10: 4,687,799 km (0.105 R)
• M11: 5,530,035 km (0.099 R)
• M12: 6,054,525 km (0.049 R)
• M13: 6,469,510 km (0.089 R)
• M14: 6,903,194 km (0.108 R)
• M15: 7,202,988 km (0.079 R)
• M16: 7,869,147 km (0.087 R)
• M17: 8,448,091 km (0.108 R)
• M18: 8,966,747 km (0.106 R)
• M19: 13,967,654 km (0.102 R)
• M20: 16,284,027 km (0.098 R)
• M21: 19,210,461 km (0.1 R)
• M22: 22,798,715 km (0.038 R)
• M23: 23,213,850 km (0.107 R)
• M24: 25,900,927 km (0.093 R)
• M25: 26,171,549 km (0.058 R)
• M26: 27,459,288 km (0.025 R)
• M27: 28,023,870 km (0.074 R)
• M28: 29,567,421 km (0.085 R)
• M29: 30,061,243 km (0.118 R)
• M30: 30,963,767 km (0.112 R)
• M31: 33,459,060 km (0.09 R)
• M32: 33,780,097 km (0.103 R)
• M33: 35,416,249 km (0.088 R)
• M34: 36,762,630 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 13,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit