🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.3

Radius: 10.3

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.48 AU - 0.7 AU

Year: 313 Days

Day: 6.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 173.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,890,133 km

• M1: 128,056 km (0.102 R)
• M2: 492,925 km (0.115 R)
• M3: 952,789 km (0.11 R)
• M4: 1,344,586 km (0.084 R)
• M5: 1,874,312 km (0.094 R)
• M6: 2,287,052 km (0.107 R)
• M7: 2,901,002 km (0.095 R)
• M8: 3,457,057 km (0.086 R)
• M9: 3,853,641 km (0.038 R)
• M10: 4,457,418 km (0.088 R)
• M11: 4,825,878 km (0.036 R)
• M12: 5,260,908 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.8

Radius: 8.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 7.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,890,133 km

• M1: 106,962 km (0.106 R)
• M2: 375,191 km (0.077 R)
• M3: 838,496 km (0.091 R)
• M4: 1,138,440 km (0.029 R)
• M5: 1,487,452 km (0.067 R)
• M6: 1,852,470 km (0.054 R)
• M7: 3,331,245 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.6

Radius: 9.2

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.91 AU - 1.33 AU

Year: 818 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,890,133 km

• M1: 115,041 km (0.101 R)
• M2: 430,543 km (0.103 R)
• M3: 766,689 km (0.052 R)
• M4: 1,628,822 km (0.028 R)
• M5: 2,223,623 km (0.106 R)
• M6: 2,905,041 km (0.109 R)
• M7: 3,197,654 km (0.083 R)
• M8: 3,842,721 km (0.102 R)
• M9: 4,484,795 km (0.062 R)
• M10: 4,859,238 km (0.108 R)
• M11: 5,177,582 km (0.078 R)
• M12: 5,939,933 km (0.116 R)
• M13: 6,570,488 km (0.097 R)
• M14: 6,890,628 km (0.117 R)
• M15: 7,787,018 km (0.078 R)
• M16: 8,462,153 km (0.066 R)
• M17: 9,035,412 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 10.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.13 AU - 1.15 AU

Year: 840 Days

Day: 9.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,890,133 km

• M1: 134,339 km (0.042 R)
• M2: 606,171 km (0.097 R)
• M3: 1,211,444 km (0.117 R)
• M4: 1,647,821 km (0.09 R)
• M5: 1,992,943 km (0.062 R)
• M6: 3,680,706 km (0.053 R)
• M7: 4,739,709 km (0.1 R)
• M8: 5,393,901 km (0.067 R)
• M9: 6,087,736 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 8.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.12 AU - 5.8 AU

Year: 8806 Days

Day: 7.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,890,133 km

• M1: 100,979 km (0.084 R)
• M2: 404,513 km (0.103 R)
• M3: 718,219 km (0.106 R)
• M4: 1,143,227 km (0.084 R)
• M5: 1,872,517 km (0.095 R)
• M6: 3,391,085 km (0.089 R)
• M7: 5,543,648 km (0.098 R)
• M8: 6,505,413 km (0.073 R)
• M9: 8,685,054 km (0.106 R)
• M10: 9,978,028 km (0.066 R)
• M11: 10,935,904 km (0.057 R)
• M12: 13,360,137 km (0.082 R)
• M13: 13,836,457 km (0.055 R)
• M14: 16,661,463 km (0.028 R)
• M15: 21,945,409 km (0.105 R)

Asteroid Belt

Center: 5.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.6

Radius: 7.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.92 AU - 7.5 AU

Year: 10682 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,890,133 km

• M1: 115,938 km (0.094 R)
• M2: 381,175 km (0.046 R)
• M3: 4,391,445 km (0.094 R)
• M4: 4,706,499 km (0.056 R)
• M5: 4,980,412 km (0.119 R)
• M6: 8,377,481 km (0.119 R)
• M7: 9,979,225 km (0.05 R)
• M8: 11,725,481 km (0.087 R)
• M9: 18,305,543 km (0.057 R)
• M10: 22,099,345 km (0.116 R)
• M11: 25,204,399 km (0.104 R)
• M12: 27,165,777 km (0.115 R)
• M13: 32,068,398 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.8

Radius: 7.2

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.18 AU - 7.78 AU

Year: 11386 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,890,133 km

• M1: 90,806 km (0.081 R)
• M2: 349,161 km (0.111 R)
• M3: 739,163 km (0.113 R)
• M4: 1,265,598 km (0.106 R)
• M5: 1,603,839 km (0.099 R)
• M6: 1,828,236 km (0.074 R)
• M7: 3,186,584 km (0.105 R)
• M8: 3,788,716 km (0.082 R)
• M9: 4,044,079 km (0.106 R)
• M10: 4,589,513 km (0.089 R)
• M11: 5,217,375 km (0.102 R)
• M12: 6,562,111 km (0.109 R)
• M13: 7,533,599 km (0.051 R)
• M14: 7,938,710 km (0.046 R)
• M15: 8,743,547 km (0.088 R)
• M16: 9,292,571 km (0.074 R)
• M17: 9,917,441 km (0.061 R)
• M18: 10,404,233 km (0.102 R)
• M19: 12,264,931 km (0.079 R)
• M20: 16,934,629 km (0.116 R)
• M21: 18,263,955 km (0.092 R)
• M22: 19,915,217 km (0.081 R)
• M23: 22,116,100 km (0.025 R)
• M24: 24,474,212 km (0.096 R)
• M25: 27,518,977 km (0.1 R)
• M26: 27,943,087 km (0.084 R)
• M27: 29,132,091 km (0.071 R)
• M28: 31,726,268 km (0.085 R)
• M29: 33,139,220 km (0.115 R)
• M30: 34,593,460 km (0.096 R)
• M31: 36,725,828 km (0.08 R)
• M32: 37,628,801 km (0.03 R)
• M33: 40,699,896 km (0.119 R)
• M34: 42,790,526 km (0.048 R)
• M35: 43,359,896 km (0.099 R)
• M36: 44,078,564 km (0.096 R)
• M37: 46,581,785 km (0.12 R)
• M38: 51,869,771 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 11,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit