🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.4

Radius: 8.3

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.53 AU - 0.79 AU

Year: 358 Days

Day: 13.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,878,681 km

• M1: 103,223 km (0.083 R)
• M2: 381,475 km (0.087 R)
• M3: 662,719 km (0.1 R)
• M4: 925,861 km (0.07 R)
• M5: 1,299,557 km (0.093 R)
• M6: 1,655,749 km (0.092 R)
• M7: 2,084,347 km (0.093 R)
• M8: 2,622,151 km (0.114 R)
• M9: 2,939,000 km (0.115 R)
• M10: 3,238,644 km (0.107 R)
• M11: 3,673,675 km (0.096 R)
• M12: 4,579,340 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 14.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.63 AU - 0.93 AU

Year: 459 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 134 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,878,681 km

• M1: 177,872 km (0.1 R)
• M2: 636,240 km (0.07 R)
• M3: 1,129,165 km (0.111 R)
• M4: 1,591,273 km (0.11 R)
• M5: 2,134,612 km (0.06 R)
• M6: 2,850,887 km (0.101 R)
• M7: 3,490,118 km (0.106 R)
• M8: 4,210,731 km (0.104 R)
• M9: 5,073,163 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 8.5

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.62 AU - 0.98 AU

Year: 477 Days

Day: 11.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,878,681 km

• M1: 105,766 km (0.045 R)
• M2: 397,182 km (0.039 R)
• M3: 662,719 km (0.113 R)
• M4: 937,231 km (0.081 R)
• M5: 1,302,100 km (0.091 R)
• M6: 1,722,171 km (0.064 R)
• M7: 2,176,649 km (0.086 R)
• M8: 2,740,483 km (0.078 R)
• M9: 3,012,004 km (0.071 R)
• M10: 3,817,289 km (0.046 R)
• M11: 4,652,494 km (0.101 R)
• M12: 5,186,259 km (0.112 R)
• M13: 6,245,711 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 10.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.76 AU - 2.86 AU

Year: 2341 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,878,681 km

• M1: 131,796 km (0.09 R)
• M2: 508,184 km (0.108 R)
• M3: 977,173 km (0.078 R)
• M4: 1,376,450 km (0.07 R)
• M5: 1,885,083 km (0.096 R)
• M6: 2,918,505 km (0.116 R)
• M7: 3,444,491 km (0.091 R)
• M8: 3,782,881 km (0.101 R)
• M9: 5,322,094 km (0.119 R)
• M10: 6,711,260 km (0.106 R)
• M11: 8,003,636 km (0.055 R)
• M12: 9,919,386 km (0.11 R)
• M13: 10,468,709 km (0.103 R)
• M14: 12,317,141 km (0.068 R)
• M15: 12,831,458 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.6

Radius: 9.5

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.2 AU - 3.06 AU

Year: 2844 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,878,681 km

• M1: 118,182 km (0.074 R)
• M2: 609,611 km (0.114 R)
• M3: 1,061,696 km (0.06 R)
• M4: 1,366,128 km (0.05 R)
• M5: 2,025,256 km (0.099 R)
• M6: 2,502,473 km (0.113 R)
• M7: 2,800,771 km (0.051 R)
• M8: 3,663,203 km (0.092 R)
• M9: 4,810,469 km (0.116 R)
• M10: 5,175,039 km (0.087 R)
• M11: 5,959,680 km (0.066 R)
• M12: 6,323,502 km (0.087 R)
• M13: 7,505,026 km (0.067 R)
• M14: 8,544,432 km (0.07 R)
• M15: 10,259,871 km (0.092 R)
• M16: 11,972,318 km (0.114 R)
• M17: 12,644,012 km (0.117 R)
• M18: 13,012,472 km (0.063 R)
• M19: 14,308,887 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 10.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.64 AU - 3.06 AU

Year: 3208 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,878,681 km

• M1: 140,622 km (0.107 R)
• M2: 560,842 km (0.106 R)
• M3: 937,081 km (0.083 R)
• M4: 1,276,818 km (0.114 R)
• M5: 2,329,388 km (0.108 R)
• M6: 3,228,322 km (0.069 R)
• M7: 4,475,220 km (0.07 R)
• M8: 5,648,816 km (0.1 R)
• M9: 6,155,354 km (0.074 R)
• M10: 6,663,089 km (0.111 R)
• M11: 8,525,732 km (0.073 R)
• M12: 9,265,643 km (0.118 R)
• M13: 11,076,526 km (0.119 R)
• M14: 13,716,778 km (0.053 R)
• M15: 14,437,391 km (0.097 R)
• M16: 15,031,893 km (0.095 R)
• M17: 15,488,316 km (0.073 R)
• M18: 17,686,059 km (0.104 R)
• M19: 19,962,489 km (0.093 R)
• M20: 20,452,572 km (0.106 R)
• M21: 21,076,395 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.1

Radius: 14

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.65 AU - 6.63 AU

Year: 8932 Days

Day: 10.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,878,681 km

• M1: 174,132 km (0.059 R)
• M2: 685,308 km (0.102 R)
• M3: 1,393,803 km (0.096 R)
• M4: 2,309,941 km (0.11 R)
• M5: 2,841,612 km (0.11 R)
• M6: 3,920,811 km (0.112 R)
• M7: 5,512,682 km (0.095 R)
• M8: 6,048,392 km (0.106 R)
• M9: 6,804,459 km (0.103 R)
• M10: 7,382,356 km (0.112 R)
• M11: 8,859,336 km (0.082 R)
• M12: 9,883,632 km (0.109 R)
• M13: 12,223,792 km (0.111 R)
• M14: 14,976,392 km (0.056 R)
• M15: 15,691,470 km (0.107 R)
• M16: 18,411,758 km (0.054 R)
• M17: 19,308,448 km (0.115 R)
• M18: 20,947,741 km (0.119 R)
• M19: 23,448,120 km (0.089 R)
• M20: 25,040,440 km (0.078 R)
• M21: 29,335,394 km (0.116 R)
• M22: 30,662,328 km (0.094 R)
• M23: 37,427,442 km (0.12 R)
• M24: 38,744,951 km (0.057 R)
• M25: 40,466,224 km (0.104 R)

Asteroid Belt

Center: 6.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.8

Radius: 7.1

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.33 AU - 6.51 AU

Year: 10848 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,878,681 km

• M1: 95,743 km (0.065 R)
• M2: 410,347 km (0.047 R)
• M3: 647,609 km (0.11 R)
• M4: 912,397 km (0.056 R)
• M5: 1,848,730 km (0.112 R)
• M6: 3,019,932 km (0.084 R)
• M7: 3,430,429 km (0.078 R)
• M8: 4,142,664 km (0.028 R)
• M9: 4,591,757 km (0.11 R)
• M10: 4,949,446 km (0.115 R)
• M11: 7,299,030 km (0.113 R)
• M12: 7,704,141 km (0.092 R)
• M13: 8,383,165 km (0.054 R)
• M14: 8,918,127 km (0.095 R)
• M15: 9,428,406 km (0.051 R)
• M16: 10,304,900 km (0.071 R)
• M17: 11,665,492 km (0.083 R)
• M18: 13,141,724 km (0.115 R)
• M19: 16,187,088 km (0.11 R)
• M20: 17,086,470 km (0.09 R)
• M21: 18,908,722 km (0.079 R)
• M22: 19,984,032 km (0.109 R)
• M23: 21,099,284 km (0.077 R)
• M24: 21,755,121 km (0.079 R)
• M25: 23,366,739 km (0.105 R)
• M26: 26,825,741 km (0.071 R)
• M27: 29,379,975 km (0.053 R)
• M28: 33,952,434 km (0.117 R)
• M29: 35,193,946 km (0.117 R)
• M30: 42,115,690 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 19,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit