🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.2

Radius: 12.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.58 AU - 0.68 AU

Year: 339 Days

Day: 9.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,623,647 km

• M1: 155,283 km (0.099 R)
• M2: 657,034 km (0.109 R)
• M3: 1,537,567 km (0.115 R)
• M4: 1,958,236 km (0.066 R)
• M5: 2,640,851 km (0.112 R)
• M6: 3,118,966 km (0.084 R)
• M7: 3,850,799 km (0.073 R)
• M8: 4,315,001 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 10.3

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.85 AU - 1.19 AU

Year: 699 Days

Day: 10.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,623,647 km

• M1: 128,355 km (0.119 R)
• M2: 583,581 km (0.112 R)
• M3: 911,949 km (0.079 R)
• M4: 1,240,017 km (0.101 R)
• M5: 1,722,769 km (0.107 R)
• M6: 2,338,514 km (0.089 R)
• M7: 2,983,281 km (0.052 R)
• M8: 3,354,732 km (0.04 R)
• M9: 3,800,384 km (0.084 R)
• M10: 4,526,832 km (0.117 R)
• M11: 4,862,828 km (0.092 R)
• M12: 5,528,838 km (0.114 R)
• M13: 6,152,960 km (0.112 R)
• M14: 7,289,306 km (0.114 R)
• M15: 8,260,196 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.3

Radius: 12.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.42 AU - 3 AU

Year: 3026 Days

Day: 9 Hours

Environment

Temp: -218 °C

Axial Tilt: 103.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,623,647 km

• M1: 151,543 km (0.114 R)
• M2: 646,712 km (0.053 R)
• M3: 1,043,445 km (0.112 R)
• M4: 1,566,738 km (0.052 R)
• M5: 2,522,071 km (0.12 R)
• M6: 3,316,136 km (0.065 R)
• M7: 3,792,156 km (0.093 R)
• M8: 4,184,252 km (0.073 R)
• M9: 4,626,314 km (0.112 R)
• M10: 5,173,394 km (0.084 R)
• M11: 6,687,623 km (0.118 R)
• M12: 7,108,592 km (0.099 R)
• M13: 7,643,554 km (0.068 R)
• M14: 11,102,406 km (0.076 R)
• M15: 11,694,215 km (0.07 R)
• M16: 15,077,072 km (0.107 R)
• M17: 15,645,843 km (0.038 R)
• M18: 16,282,531 km (0.08 R)
• M19: 17,664,517 km (0.066 R)
• M20: 20,597,832 km (0.052 R)
• M21: 22,080,945 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 14.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.48 AU - 3.66 AU

Year: 3648 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,623,647 km

• M1: 179,069 km (0.074 R)
• M2: 685,906 km (0.106 R)
• M3: 1,149,061 km (0.117 R)
• M4: 1,935,348 km (0.114 R)
• M5: 2,864,949 km (0.091 R)
• M6: 4,467,890 km (0.094 R)
• M7: 5,170,102 km (0.106 R)
• M8: 5,916,297 km (0.115 R)
• M9: 6,989,512 km (0.116 R)
• M10: 8,555,502 km (0.098 R)
• M11: 9,048,876 km (0.118 R)
• M12: 9,804,196 km (0.026 R)
• M13: 11,577,828 km (0.079 R)
• M14: 12,808,270 km (0.11 R)
• M15: 15,196,301 km (0.053 R)
• M16: 17,868,119 km (0.041 R)
• M17: 18,488,053 km (0.066 R)
• M18: 23,164,183 km (0.084 R)
• M19: 25,735,322 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.8

Radius: 9.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.14 AU - 3.5 AU

Year: 4103 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,623,647 km

• M1: 121,025 km (0.037 R)
• M2: 509,381 km (0.104 R)
• M3: 1,272,629 km (0.105 R)
• M4: 1,607,280 km (0.105 R)
• M5: 3,303,570 km (0.1 R)
• M6: 4,092,848 km (0.086 R)
• M7: 8,683,857 km (0.066 R)
• M8: 9,115,447 km (0.079 R)
• M9: 10,781,219 km (0.031 R)
• M10: 11,280,128 km (0.107 R)
• M11: 12,057,439 km (0.119 R)
• M12: 12,916,280 km (0.111 R)
• M13: 16,652,786 km (0.116 R)
• M14: 17,546,334 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.6

Radius: 6.1

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.43 AU - 6.51 AU

Year: 11162 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,623,647 km

• M1: 75,846 km (0.06 R)
• M2: 323,431 km (0.111 R)
• M3: 552,465 km (0.099 R)
• M4: 1,073,963 km (0.117 R)
• M5: 2,827,998 km (0.107 R)
• M6: 3,329,450 km (0.116 R)
• M7: 4,664,611 km (0.03 R)
• M8: 5,504,154 km (0.09 R)
• M9: 6,761,076 km (0.065 R)
• M10: 7,434,865 km (0.104 R)
• M11: 7,743,186 km (0.114 R)
• M12: 8,152,336 km (0.048 R)
• M13: 8,623,569 km (0.055 R)
• M14: 10,471,402 km (0.043 R)
• M15: 12,140,166 km (0.104 R)
• M16: 17,262,996 km (0.113 R)
• M17: 18,197,534 km (0.104 R)
• M18: 21,912,797 km (0.076 R)
• M19: 22,364,582 km (0.099 R)
• M20: 23,947,328 km (0.079 R)
• M21: 25,702,859 km (0.114 R)
• M22: 29,249,675 km (0.056 R)
• M23: 31,139,545 km (0.071 R)
• M24: 38,722,062 km (0.118 R)
• M25: 49,429,680 km (0.09 R)
• M26: 50,833,805 km (0.12 R)
• M27: 51,466,305 km (0.12 R)
• M28: 52,585,746 km (0.081 R)
• M29: 53,558,132 km (0.11 R)
• M30: 54,542,486 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.5

Radius: 7.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.77 AU - 9.37 AU

Year: 15549 Days

Day: 21.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,623,647 km

• M1: 606,619 km (0.049 R)
• M2: 1,172,698 km (0.092 R)
• M3: 1,655,600 km (0.087 R)
• M4: 2,529,102 km (0.097 R)
• M5: 3,336,332 km (0.117 R)
• M6: 6,260,970 km (0.108 R)
• M7: 8,830,463 km (0.08 R)
• M8: 10,086,936 km (0.094 R)
• M9: 10,758,032 km (0.048 R)
• M10: 11,054,684 km (0.054 R)
• M11: 17,104,273 km (0.108 R)
• M12: 17,713,136 km (0.119 R)
• M13: 21,130,550 km (0.075 R)
• M14: 30,695,688 km (0.105 R)
• M15: 31,393,412 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.7

Radius: 6.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.93 AU - 12.77 AU

Year: 22584 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,623,647 km

• M1: 80,783 km (0.074 R)
• M2: 514,916 km (0.086 R)
• M3: 910,602 km (0.045 R)
• M4: 1,963,472 km (0.118 R)
• M5: 2,402,093 km (0.084 R)
• M6: 3,688,784 km (0.093 R)
• M7: 4,056,945 km (0.099 R)
• M8: 4,265,035 km (0.083 R)
• M9: 4,543,287 km (0.119 R)
• M10: 4,899,629 km (0.086 R)
• M11: 5,101,886 km (0.073 R)
• M12: 5,668,413 km (0.099 R)
• M13: 6,636,461 km (0.048 R)
• M14: 9,350,465 km (0.118 R)
• M15: 9,557,658 km (0.068 R)
• M16: 11,094,627 km (0.036 R)
• M17: 11,385,445 km (0.116 R)
• M18: 22,482,615 km (0.075 R)
• M19: 23,326,198 km (0.115 R)
• M20: 26,393,253 km (0.119 R)
• M21: 26,599,848 km (0.042 R)
• M22: 29,274,807 km (0.115 R)
• M23: 29,718,814 km (0.069 R)
• M24: 39,299,959 km (0.109 R)
• M25: 44,781,375 km (0.034 R)
• M26: 46,414,684 km (0.074 R)
• M27: 51,875,754 km (0.096 R)
• M28: 54,175,074 km (0.084 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: 217 - 16,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit