🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 10.7

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.41 AU - 0.63 AU

Year: 250 Days

Day: 9.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,332,918 km

• M1: 133,292 km (0.111 R)
• M2: 505,790 km (0.099 R)
• M3: 887,115 km (0.06 R)
• M4: 1,279,361 km (0.094 R)
• M5: 1,713,793 km (0.112 R)
• M6: 2,087,638 km (0.102 R)
• M7: 2,641,599 km (0.112 R)
• M8: 3,104,305 km (0.041 R)
• M9: 3,875,931 km (0.117 R)
• M10: 4,358,684 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 8.3

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.64 AU - 1.02 AU

Year: 504 Days

Day: 8.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,332,918 km

• M1: 103,223 km (0.029 R)
• M2: 414,984 km (0.053 R)
• M3: 885,021 km (0.091 R)
• M4: 1,370,167 km (0.058 R)
• M5: 1,741,918 km (0.045 R)
• M6: 2,066,096 km (0.045 R)
• M7: 2,459,389 km (0.045 R)
• M8: 3,001,083 km (0.109 R)
• M9: 3,288,760 km (0.076 R)
• M10: 3,607,553 km (0.048 R)
• M11: 4,110,650 km (0.047 R)
• M12: 4,466,544 km (0.092 R)
• M13: 4,766,039 km (0.043 R)
• M14: 5,046,983 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.3

Radius: 10.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.21 AU - 1.43 AU

Year: 1011 Days

Day: 13.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,332,918 km

• M1: 128,505 km (0.047 R)
• M2: 532,718 km (0.105 R)
• M3: 1,062,294 km (0.06 R)
• M4: 1,493,884 km (0.083 R)
• M5: 1,836,613 km (0.097 R)
• M6: 2,242,173 km (0.038 R)
• M7: 2,607,192 km (0.081 R)
• M8: 3,352,488 km (0.112 R)
• M9: 4,469,087 km (0.07 R)
• M10: 5,462,117 km (0.12 R)
• M11: 6,248,553 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 11.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.3 AU - 1.54 AU

Year: 1128 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,332,918 km

• M1: 144,512 km (0.114 R)
• M2: 665,860 km (0.073 R)
• M3: 1,329,327 km (0.107 R)
• M4: 2,285,257 km (0.076 R)
• M5: 3,975,414 km (0.107 R)
• M6: 4,623,322 km (0.113 R)
• M7: 5,651,808 km (0.078 R)
• M8: 6,019,370 km (0.098 R)
• M9: 6,754,793 km (0.112 R)
• M10: 8,713,627 km (0.104 R)
• M11: 9,746,900 km (0.098 R)
• M12: 10,992,302 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 8.3

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.42 AU - 2.52 AU

Year: 2589 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,332,918 km

• M1: 103,223 km (0.065 R)
• M2: 488,736 km (0.081 R)
• M3: 930,798 km (0.069 R)
• M4: 1,297,911 km (0.091 R)
• M5: 1,679,685 km (0.096 R)
• M6: 2,216,592 km (0.069 R)
• M7: 2,609,286 km (0.063 R)
• M8: 2,912,820 km (0.104 R)
• M9: 3,866,955 km (0.104 R)
• M10: 4,306,474 km (0.087 R)
• M11: 4,663,414 km (0.099 R)
• M12: 4,991,782 km (0.073 R)
• M13: 5,564,891 km (0.113 R)
• M14: 6,577,968 km (0.099 R)
• M15: 8,069,309 km (0.051 R)
• M16: 8,509,276 km (0.096 R)
• M17: 9,811,526 km (0.084 R)
• M18: 10,710,160 km (0.049 R)
• M19: 11,493,006 km (0.117 R)
• M20: 12,181,306 km (0.111 R)
• M21: 12,446,543 km (0.038 R)
• M22: 13,498,665 km (0.049 R)
• M23: 14,411,660 km (0.109 R)
• M24: 15,675,014 km (0.092 R)
• M25: 16,147,445 km (0.118 R)
• M26: 20,772,712 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.1

Radius: 14.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.77 AU - 2.95 AU

Year: 3225 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 108.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,332,918 km

• M1: 179,069 km (0.091 R)
• M2: 645,515 km (0.11 R)
• M3: 1,124,826 km (0.12 R)
• M4: 1,666,520 km (0.112 R)
• M5: 2,169,319 km (0.097 R)
• M6: 3,029,207 km (0.081 R)
• M7: 3,981,398 km (0.118 R)
• M8: 4,774,865 km (0.068 R)
• M9: 5,785,698 km (0.068 R)
• M10: 6,527,553 km (0.079 R)
• M11: 7,857,329 km (0.09 R)
• M12: 8,348,608 km (0.031 R)
• M13: 9,683,470 km (0.115 R)
• M14: 11,300,773 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837

Radius: 7.8

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.6 AU - 10.36 AU

Year: 19464 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,332,918 km

• M1: 96,939 km (0.083 R)
• M2: 366,365 km (0.118 R)
• M3: 1,284,896 km (0.089 R)
• M4: 1,829,881 km (0.076 R)
• M5: 3,260,785 km (0.074 R)
• M6: 4,579,789 km (0.083 R)
• M7: 4,940,170 km (0.116 R)
• M8: 5,841,198 km (0.106 R)
• M9: 7,128,189 km (0.11 R)
• M10: 8,594,248 km (0.107 R)
• M11: 10,372,967 km (0.092 R)
• M12: 10,806,202 km (0.12 R)
• M13: 14,259,968 km (0.054 R)
• M14: 17,504,447 km (0.102 R)
• M15: 17,765,944 km (0.117 R)
• M16: 19,858,669 km (0.044 R)
• M17: 21,407,904 km (0.034 R)
• M18: 22,110,416 km (0.04 R)
• M19: 22,518,818 km (0.115 R)
• M20: 23,036,127 km (0.105 R)
• M21: 23,561,515 km (0.09 R)
• M22: 24,964,593 km (0.075 R)
• M23: 28,533,999 km (0.114 R)
• M24: 30,503,006 km (0.04 R)
• M25: 32,038,030 km (0.112 R)
• M26: 33,758,106 km (0.077 R)
• M27: 36,099,462 km (0.093 R)
• M28: 36,950,973 km (0.118 R)
• M29: 38,253,223 km (0.055 R)
• M30: 39,436,243 km (0.115 R)
• M31: 45,719,503 km (0.119 R)
• M32: 47,727,106 km (0.097 R)
• M33: 48,924,936 km (0.093 R)
• M34: 52,638,554 km (0.064 R)
• M35: 57,876,574 km (0.078 R)
• M36: 61,823,714 km (0.07 R)
• M37: 64,899,296 km (0.076 R)
• M38: 72,918,640 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.6

Radius: 4.6

Gravity: 31.6 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.04 AU - 13.02 AU

Year: 22786 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,332,918 km

• M1: 73,303 km (0.119 R)
• M2: 400,623 km (0.071 R)
• M3: 1,032,375 km (0.096 R)
• M4: 1,553,873 km (0.082 R)
• M5: 1,941,780 km (0.046 R)
• M6: 2,212,702 km (0.093 R)
• M7: 3,150,382 km (0.11 R)
• M8: 3,465,135 km (0.038 R)
• M9: 7,113,678 km (0.087 R)
• M10: 7,554,543 km (0.058 R)
• M11: 11,230,013 km (0.087 R)
• M12: 12,585,669 km (0.088 R)
• M13: 14,198,783 km (0.069 R)
• M14: 18,916,501 km (0.031 R)
• M15: 20,144,101 km (0.119 R)
• M16: 21,625,270 km (0.036 R)
• M17: 23,071,881 km (0.057 R)
• M18: 24,802,729 km (0.114 R)
• M19: 25,360,878 km (0.102 R)
• M20: 30,638,691 km (0.081 R)
• M21: 40,314,981 km (0.096 R)
• M22: 48,822,312 km (0.11 R)
• M23: 56,317,166 km (0.093 R)
• M24: 64,963,623 km (0.106 R)
• M25: 67,958,872 km (0.103 R)
• M26: 69,932,217 km (0.065 R)
• M27: 77,494,390 km (0.055 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 12,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit