🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 13.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.11 AU

Year: 619 Days

Day: 8.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 136 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,781,666 km

• M1: 169,195 km (0.116 R)
• M2: 609,611 km (0.11 R)
• M3: 1,523,654 km (0.107 R)
• M4: 2,044,704 km (0.039 R)
• M5: 2,476,742 km (0.056 R)
• M6: 2,970,415 km (0.111 R)
• M7: 4,173,332 km (0.084 R)
• M8: 4,664,910 km (0.116 R)
• M9: 5,576,560 km (0.096 R)
• M10: 6,266,505 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.3

Radius: 14.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.15 AU - 1.87 AU

Year: 1281 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,781,666 km

• M1: 181,612 km (0.117 R)
• M2: 710,440 km (0.099 R)
• M3: 1,235,379 km (0.107 R)
• M4: 1,976,487 km (0.103 R)
• M5: 3,139,311 km (0.069 R)
• M6: 4,053,055 km (0.095 R)
• M7: 5,791,831 km (0.111 R)
• M8: 10,273,634 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.7

Radius: 10.4

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.57 AU - 1.57 AU

Year: 1358 Days

Day: 9.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,781,666 km

• M1: 129,402 km (0.094 R)
• M2: 646,113 km (0.1 R)
• M3: 1,145,920 km (0.119 R)
• M4: 1,580,352 km (0.094 R)
• M5: 1,947,315 km (0.081 R)
• M6: 2,787,607 km (0.107 R)
• M7: 3,116,572 km (0.041 R)
• M8: 3,471,568 km (0.113 R)
• M9: 4,644,116 km (0.084 R)
• M10: 5,299,953 km (0.05 R)
• M11: 6,373,617 km (0.069 R)
• M12: 7,026,911 km (0.087 R)
• M13: 7,423,794 km (0.113 R)
• M14: 7,835,488 km (0.103 R)
• M15: 8,704,950 km (0.114 R)
• M16: 9,039,451 km (0.055 R)
• M17: 9,509,338 km (0.062 R)
• M18: 10,094,715 km (0.097 R)
• M19: 10,498,330 km (0.093 R)
• M20: 10,982,578 km (0.032 R)
• M21: 11,810,752 km (0.05 R)
• M22: 12,913,438 km (0.081 R)

Asteroid Belt

Center: 1.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177

Radius: 13.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.09 AU - 2.61 AU

Year: 2487 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,781,666 km

• M1: 164,408 km (0.073 R)
• M2: 983,756 km (0.109 R)
• M3: 2,906,238 km (0.114 R)
• M4: 3,761,040 km (0.114 R)
• M5: 4,230,478 km (0.09 R)
• M6: 5,749,794 km (0.113 R)
• M7: 6,169,715 km (0.062 R)
• M8: 7,348,696 km (0.099 R)
• M9: 9,866,728 km (0.096 R)
• M10: 10,438,640 km (0.036 R)
• M11: 11,579,474 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.7

Radius: 14.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.75 AU - 3.17 AU

Year: 3515 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,781,666 km

• M1: 187,446 km (0.105 R)
• M2: 636,539 km (0.054 R)
• M3: 1,303,297 km (0.114 R)
• M4: 1,883,437 km (0.067 R)
• M5: 2,335,223 km (0.063 R)
• M6: 2,927,481 km (0.116 R)
• M7: 3,900,764 km (0.11 R)
• M8: 4,981,908 km (0.082 R)
• M9: 5,972,695 km (0.119 R)
• M10: 6,515,586 km (0.08 R)
• M11: 8,035,500 km (0.111 R)
• M12: 9,550,029 km (0.071 R)
• M13: 10,214,543 km (0.109 R)
• M14: 11,505,572 km (0.116 R)
• M15: 12,078,532 km (0.099 R)
• M16: 12,670,341 km (0.081 R)
• M17: 14,973,251 km (0.026 R)
• M18: 16,361,070 km (0.03 R)
• M19: 21,564,683 km (0.093 R)
• M20: 23,193,355 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.1

Radius: 14

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.46 AU - 3.68 AU

Year: 3713 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,781,666 km

• M1: 174,880 km (0.114 R)
• M2: 676,033 km (0.104 R)
• M3: 1,300,005 km (0.069 R)
• M4: 1,868,178 km (0.082 R)
• M5: 2,426,029 km (0.056 R)
• M6: 2,994,351 km (0.115 R)
• M7: 4,920,274 km (0.048 R)
• M8: 7,077,026 km (0.097 R)
• M9: 8,758,207 km (0.095 R)
• M10: 9,289,429 km (0.119 R)
• M11: 9,917,441 km (0.112 R)
• M12: 11,759,889 km (0.083 R)
• M13: 12,584,023 km (0.109 R)
• M14: 14,396,401 km (0.11 R)
• M15: 15,594,830 km (0.057 R)
• M16: 16,113,486 km (0.106 R)
• M17: 17,021,545 km (0.113 R)
• M18: 20,811,009 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 12.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.9 AU - 5.46 AU

Year: 6988 Days

Day: 11.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,781,666 km

• M1: 160,967 km (0.081 R)
• M2: 641,625 km (0.1 R)
• M3: 1,043,146 km (0.11 R)
• M4: 1,570,628 km (0.089 R)
• M5: 2,130,722 km (0.097 R)
• M6: 3,545,320 km (0.073 R)
• M7: 4,467,142 km (0.11 R)
• M8: 4,985,050 km (0.064 R)
• M9: 6,174,503 km (0.045 R)
• M10: 6,783,815 km (0.111 R)
• M11: 7,734,360 km (0.108 R)
• M12: 8,771,821 km (0.094 R)
• M13: 9,281,052 km (0.081 R)
• M14: 9,945,117 km (0.068 R)
• M15: 10,640,747 km (0.093 R)
• M16: 12,025,874 km (0.12 R)
• M17: 16,966,942 km (0.074 R)
• M18: 21,861,634 km (0.064 R)
• M19: 24,505,178 km (0.107 R)
• M20: 27,265,558 km (0.112 R)
• M21: 28,813,447 km (0.077 R)
• M22: 29,561,886 km (0.061 R)
• M23: 34,015,115 km (0.106 R)
• M24: 35,807,896 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.1

Radius: 6.9

Gravity: 16.26 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.3 AU - 8.36 AU

Year: 15124 Days

Day: 18.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,781,666 km

• M1: 86,318 km (0.109 R)
• M2: 588,069 km (0.11 R)
• M3: 1,638,845 km (0.108 R)
• M4: 1,931,458 km (0.11 R)
• M5: 2,760,081 km (0.096 R)
• M6: 3,202,292 km (0.109 R)
• M7: 3,662,305 km (0.088 R)
• M8: 4,417,775 km (0.101 R)
• M9: 4,646,809 km (0.078 R)
• M10: 5,797,366 km (0.111 R)
• M11: 7,627,098 km (0.052 R)
• M12: 10,603,946 km (0.096 R)
• M13: 11,075,628 km (0.118 R)
• M14: 16,047,962 km (0.094 R)
• M15: 18,378,547 km (0.042 R)
• M16: 18,631,816 km (0.051 R)
• M17: 20,742,642 km (0.096 R)
• M18: 21,201,758 km (0.1 R)
• M19: 22,716,137 km (0.08 R)
• M20: 24,811,555 km (0.041 R)
• M21: 25,224,744 km (0.116 R)
• M22: 28,924,748 km (0.088 R)
• M23: 33,345,066 km (0.117 R)
• M24: 34,101,882 km (0.087 R)
• M25: 34,999,319 km (0.092 R)
• M26: 35,912,315 km (0.073 R)
• M27: 38,746,597 km (0.082 R)
• M28: 39,302,801 km (0.106 R)
• M29: 43,946,170 km (0.051 R)
• M30: 51,912,556 km (0.088 R)
• M31: 52,249,749 km (0.106 R)
• M32: 53,785,670 km (0.063 R)
• M33: 58,573,401 km (0.08 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: 527 - 20,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit