🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 14.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.58 AU - 0.8 AU

Year: 376 Days

Day: 7.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,928,735 km

• M1: 176,675 km (0.09 R)
• M2: 642,672 km (0.097 R)
• M3: 1,139,936 km (0.103 R)
• M4: 1,678,787 km (0.091 R)
• M5: 2,244,267 km (0.072 R)
• M6: 3,130,485 km (0.073 R)
• M7: 3,847,358 km (0.075 R)
• M8: 4,313,655 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.8

Radius: 9.7

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.59 AU - 0.87 AU

Year: 409 Days

Day: 13.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,928,735 km

• M1: 120,576 km (0.112 R)
• M2: 451,636 km (0.073 R)
• M3: 765,044 km (0.102 R)
• M4: 1,286,093 km (0.108 R)
• M5: 1,748,201 km (0.06 R)
• M6: 2,521,622 km (0.074 R)
• M7: 2,887,089 km (0.091 R)
• M8: 3,408,737 km (0.063 R)
• M9: 4,641,274 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.5

Radius: 13.7

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.02 AU - 1.1 AU

Year: 716 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,928,735 km

• M1: 170,392 km (0.102 R)
• M2: 598,541 km (0.083 R)
• M3: 1,400,236 km (0.116 R)
• M4: 1,944,174 km (0.11 R)
• M5: 2,711,611 km (0.073 R)
• M6: 3,166,987 km (0.1 R)
• M7: 3,673,675 km (0.091 R)
• M8: 4,292,113 km (0.083 R)
• M9: 4,852,057 km (0.068 R)
• M10: 5,460,621 km (0.054 R)
• M11: 6,497,784 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.4

Radius: 13.5

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.3 AU - 1.88 AU

Year: 1315 Days

Day: 6.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 96.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,928,735 km

• M1: 167,849 km (0.096 R)
• M2: 663,317 km (0.086 R)
• M3: 1,106,575 km (0.117 R)
• M4: 1,970,054 km (0.089 R)
• M5: 2,556,777 km (0.051 R)
• M6: 3,121,210 km (0.077 R)
• M7: 3,925,149 km (0.088 R)
• M8: 4,408,051 km (0.097 R)
• M9: 4,880,032 km (0.083 R)
• M10: 6,482,674 km (0.073 R)
• M11: 7,315,485 km (0.104 R)
• M12: 7,839,377 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.3

Radius: 13.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.8 AU - 2.72 AU

Year: 2229 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,928,735 km

• M1: 169,794 km (0.058 R)
• M2: 692,339 km (0.093 R)
• M3: 1,113,307 km (0.03 R)
• M4: 1,634,506 km (0.104 R)
• M5: 2,256,085 km (0.075 R)
• M6: 4,772,471 km (0.104 R)
• M7: 5,981,072 km (0.085 R)
• M8: 7,104,253 km (0.118 R)
• M9: 7,643,404 km (0.117 R)
• M10: 8,179,264 km (0.039 R)
• M11: 9,629,765 km (0.107 R)
• M12: 10,255,682 km (0.071 R)
• M13: 11,705,285 km (0.048 R)
• M14: 13,287,732 km (0.113 R)
• M15: 14,329,830 km (0.12 R)
• M16: 15,285,761 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 14.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.88 AU - 3.68 AU

Year: 3897 Days

Day: 7.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,928,735 km

• M1: 176,974 km (0.098 R)
• M2: 639,381 km (0.107 R)
• M3: 1,857,856 km (0.116 R)
• M4: 2,352,875 km (0.084 R)
• M5: 4,376,037 km (0.103 R)
• M6: 5,114,302 km (0.101 R)
• M7: 6,188,116 km (0.07 R)
• M8: 7,439,801 km (0.028 R)
• M9: 8,352,348 km (0.064 R)
• M10: 8,964,353 km (0.099 R)
• M11: 13,627,319 km (0.112 R)
• M12: 15,255,991 km (0.089 R)
• M13: 16,897,678 km (0.101 R)
• M14: 18,293,576 km (0.1 R)
• M15: 19,019,873 km (0.088 R)
• M16: 20,336,933 km (0.059 R)
• M17: 21,447,099 km (0.11 R)
• M18: 23,433,459 km (0.111 R)

Asteroid Belt

Center: 4.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.7

Radius: 6.6

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.61 AU - 6.87 AU

Year: 10226 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,928,735 km

• M1: 86,318 km (0.119 R)
• M2: 418,575 km (0.113 R)
• M3: 718,668 km (0.069 R)
• M4: 1,102,237 km (0.104 R)
• M5: 1,571,974 km (0.102 R)
• M6: 2,409,124 km (0.057 R)
• M7: 2,795,087 km (0.063 R)
• M8: 3,316,734 km (0.113 R)
• M9: 3,716,460 km (0.091 R)
• M10: 5,888,621 km (0.117 R)
• M11: 6,627,485 km (0.108 R)
• M12: 6,900,202 km (0.075 R)
• M13: 7,426,487 km (0.12 R)
• M14: 10,415,004 km (0.078 R)
• M15: 14,703,975 km (0.106 R)
• M16: 23,271,295 km (0.107 R)
• M17: 27,928,277 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.3

Radius: 7.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.49 AU - 9.43 AU

Year: 17594 Days

Day: 16.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,928,735 km

• M1: 581,637 km (0.071 R)
• M2: 878,140 km (0.046 R)
• M3: 5,089,619 km (0.113 R)
• M4: 6,159,992 km (0.1 R)
• M5: 6,606,392 km (0.111 R)
• M6: 10,075,566 km (0.075 R)
• M7: 10,358,605 km (0.116 R)
• M8: 11,750,314 km (0.088 R)
• M9: 16,085,212 km (0.041 R)
• M10: 18,151,757 km (0.069 R)
• M11: 19,648,334 km (0.054 R)
• M12: 21,690,943 km (0.028 R)
• M13: 22,642,685 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.9

Radius: 4.2

Gravity: 18.59 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.39 AU - 10.59 AU

Year: 20714 Days

Day: 24.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 146.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,928,735 km

• M1: 68,965 km (0.117 R)
• M2: 208,839 km (0.086 R)
• M3: 456,722 km (0.042 R)
• M4: 607,966 km (0.09 R)
• M5: 862,581 km (0.12 R)
• M6: 1,014,872 km (0.118 R)
• M7: 1,210,995 km (0.12 R)
• M8: 2,259,825 km (0.115 R)
• M9: 2,508,756 km (0.041 R)
• M10: 2,707,273 km (0.098 R)
• M11: 3,580,625 km (0.11 R)
• M12: 3,919,165 km (0.057 R)
• M13: 4,825,130 km (0.089 R)
• M14: 5,636,698 km (0.091 R)
• M15: 6,212,650 km (0.116 R)
• M16: 6,453,652 km (0.118 R)
• M17: 7,214,357 km (0.116 R)
• M18: 7,391,182 km (0.085 R)
• M19: 13,599,942 km (0.118 R)
• M20: 13,734,581 km (0.059 R)
• M21: 17,793,769 km (0.097 R)
• M22: 21,022,540 km (0.12 R)
• M23: 23,250,950 km (0.046 R)
• M24: 23,831,689 km (0.112 R)
• M25: 27,736,193 km (0.085 R)
• M26: 27,952,811 km (0.086 R)
• M27: 35,112,864 km (0.031 R)
• M28: 35,493,441 km (0.089 R)
• M29: 39,179,682 km (0.104 R)
• M30: 42,823,737 km (0.047 R)
• M31: 45,926,995 km (0.094 R)
• M32: 47,921,284 km (0.042 R)
• M33: 56,824,153 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 13,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit