🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.1

Radius: 10.6

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.66 AU - 0.68 AU

Year: 372 Days

Day: 11.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 127.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,560,643 km

• M1: 131,796 km (0.084 R)
• M2: 471,532 km (0.071 R)
• M3: 827,575 km (0.116 R)
• M4: 1,331,720 km (0.057 R)
• M5: 1,769,144 km (0.105 R)
• M6: 2,137,155 km (0.075 R)
• M7: 2,999,737 km (0.085 R)
• M8: 3,482,788 km (0.091 R)
• M9: 3,857,381 km (0.094 R)
• M10: 4,605,670 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 9.7

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.93 AU - 1.33 AU

Year: 815 Days

Day: 10.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,560,643 km

• M1: 138,079 km (0.044 R)
• M2: 512,223 km (0.06 R)
• M3: 936,333 km (0.058 R)
• M4: 1,558,660 km (0.099 R)
• M5: 1,996,234 km (0.105 R)
• M6: 2,929,126 km (0.051 R)
• M7: 3,279,933 km (0.112 R)
• M8: 3,644,055 km (0.067 R)
• M9: 4,082,077 km (0.092 R)
• M10: 4,504,541 km (0.089 R)
• M11: 5,027,984 km (0.11 R)
• M12: 5,552,624 km (0.099 R)
• M13: 5,929,162 km (0.081 R)
• M14: 6,238,381 km (0.098 R)
• M15: 6,623,745 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 13.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.16 AU - 1.38 AU

Year: 971 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,560,643 km

• M1: 167,849 km (0.06 R)
• M2: 630,555 km (0.106 R)
• M3: 1,065,436 km (0.099 R)
• M4: 1,586,336 km (0.053 R)
• M5: 2,043,208 km (0.101 R)
• M6: 2,779,528 km (0.066 R)
• M7: 3,203,938 km (0.116 R)
• M8: 3,838,233 km (0.116 R)
• M9: 4,572,459 km (0.093 R)
• M10: 6,214,595 km (0.081 R)
• M11: 6,675,057 km (0.034 R)
• M12: 8,041,334 km (0.087 R)
• M13: 8,696,423 km (0.1 R)
• M14: 9,472,088 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.1

Radius: 14.5

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.5 AU - 1.76 AU

Year: 1411 Days

Day: 7.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,560,643 km

• M1: 180,265 km (0.034 R)
• M2: 685,457 km (0.106 R)
• M3: 1,257,968 km (0.092 R)
• M4: 1,811,181 km (0.109 R)
• M5: 2,640,103 km (0.104 R)
• M6: 3,143,350 km (0.07 R)
• M7: 3,646,299 km (0.088 R)
• M8: 4,512,171 km (0.113 R)
• M9: 5,426,364 km (0.107 R)
• M10: 6,726,818 km (0.085 R)
• M11: 7,203,736 km (0.034 R)
• M12: 9,716,232 km (0.116 R)
• M13: 10,393,312 km (0.105 R)
• M14: 10,862,002 km (0.096 R)
• M15: 12,428,142 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 11.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.12 AU - 3.68 AU

Year: 4252 Days

Day: 8.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,560,643 km

• M1: 143,165 km (0.069 R)
• M2: 549,922 km (0.06 R)
• M3: 969,394 km (0.078 R)
• M4: 1,417,440 km (0.094 R)
• M5: 1,949,260 km (0.096 R)
• M6: 2,480,632 km (0.084 R)
• M7: 3,126,147 km (0.111 R)
• M8: 3,644,354 km (0.073 R)
• M9: 4,456,521 km (0.11 R)
• M10: 5,636,549 km (0.1 R)
• M11: 6,254,089 km (0.115 R)
• M12: 8,567,620 km (0.113 R)
• M13: 9,384,873 km (0.075 R)
• M14: 9,750,789 km (0.059 R)
• M15: 10,168,466 km (0.116 R)
• M16: 11,356,274 km (0.03 R)
• M17: 13,641,231 km (0.08 R)
• M18: 16,217,307 km (0.052 R)
• M19: 21,390,700 km (0.115 R)
• M20: 24,159,009 km (0.107 R)
• M21: 24,848,057 km (0.102 R)
• M22: 27,157,698 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 10.6

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.54 AU - 4.08 AU

Year: 5044 Days

Day: 10.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,560,643 km

• M1: 131,796 km (0.077 R)
• M2: 581,936 km (0.107 R)
• M3: 957,426 km (0.108 R)
• M4: 1,595,012 km (0.073 R)
• M5: 2,174,555 km (0.108 R)
• M6: 3,470,521 km (0.108 R)
• M7: 4,032,111 km (0.112 R)
• M8: 4,973,680 km (0.104 R)
• M9: 5,366,076 km (0.087 R)
• M10: 6,406,080 km (0.108 R)
• M11: 7,832,945 km (0.087 R)
• M12: 9,127,116 km (0.082 R)
• M13: 9,803,597 km (0.074 R)
• M14: 10,834,177 km (0.045 R)
• M15: 11,351,935 km (0.084 R)
• M16: 13,752,532 km (0.099 R)
• M17: 14,192,500 km (0.094 R)
• M18: 14,641,742 km (0.074 R)
• M19: 15,274,990 km (0.098 R)
• M20: 15,926,489 km (0.077 R)
• M21: 17,732,883 km (0.092 R)
• M22: 18,188,558 km (0.053 R)
• M23: 21,234,520 km (0.074 R)
• M24: 23,185,875 km (0.102 R)
• M25: 24,444,591 km (0.103 R)
• M26: 30,863,537 km (0.056 R)
• M27: 31,239,476 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.8

Radius: 8.5

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.09 AU - 4.25 AU

Year: 5776 Days

Day: 10.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,560,643 km

• M1: 105,915 km (0.089 R)
• M2: 384,616 km (0.103 R)
• M3: 668,104 km (0.098 R)
• M4: 1,098,348 km (0.088 R)
• M5: 1,785,600 km (0.086 R)
• M6: 2,504,119 km (0.112 R)
• M7: 3,360,567 km (0.106 R)
• M8: 3,753,411 km (0.08 R)
• M9: 5,007,490 km (0.038 R)
• M10: 6,100,751 km (0.103 R)
• M11: 7,345,704 km (0.102 R)
• M12: 10,832,980 km (0.112 R)
• M13: 11,304,812 km (0.112 R)
• M14: 12,038,141 km (0.09 R)
• M15: 15,232,953 km (0.082 R)
• M16: 15,945,637 km (0.105 R)
• M17: 16,930,141 km (0.117 R)
• M18: 17,694,735 km (0.095 R)
• M19: 18,020,111 km (0.115 R)
• M20: 19,706,976 km (0.097 R)
• M21: 20,339,177 km (0.08 R)
• M22: 21,349,561 km (0.026 R)
• M23: 22,016,468 km (0.084 R)
• M24: 23,313,931 km (0.11 R)
• M25: 24,100,516 km (0.094 R)
• M26: 28,836,186 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.2

Radius: 4.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.02 AU - 7.28 AU

Year: 11631 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,560,643 km

• M1: 56,099 km (0.094 R)
• M2: 277,354 km (0.096 R)
• M3: 476,020 km (0.079 R)
• M4: 754,272 km (0.041 R)
• M5: 1,247,048 km (0.04 R)
• M6: 2,682,439 km (0.118 R)
• M7: 3,282,476 km (0.06 R)
• M8: 4,275,507 km (0.043 R)
• M9: 5,014,371 km (0.118 R)
• M10: 6,320,809 km (0.11 R)
• M11: 7,115,922 km (0.038 R)
• M12: 7,570,550 km (0.082 R)
• M13: 10,098,006 km (0.038 R)
• M14: 10,671,714 km (0.118 R)
• M15: 13,041,045 km (0.105 R)
• M16: 14,170,359 km (0.074 R)
• M17: 16,066,213 km (0.109 R)
• M18: 20,352,641 km (0.06 R)
• M19: 23,527,108 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.7

Radius: 4.6

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.58 AU - 9.84 AU

Year: 17435 Days

Day: 23.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,560,643 km

• M1: 57,595 km (0.11 R)
• M2: 303,235 km (0.06 R)
• M3: 489,484 km (0.066 R)
• M4: 667,057 km (0.065 R)
• M5: 860,936 km (0.076 R)
• M6: 1,081,742 km (0.095 R)
• M7: 1,451,249 km (0.095 R)
• M8: 2,700,990 km (0.095 R)
• M9: 2,860,311 km (0.069 R)
• M10: 4,508,581 km (0.059 R)
• M11: 9,935,243 km (0.077 R)
• M12: 14,618,554 km (0.084 R)
• M13: 15,425,036 km (0.114 R)
• M14: 16,991,177 km (0.116 R)
• M15: 21,679,723 km (0.087 R)
• M16: 22,239,519 km (0.09 R)
• M17: 31,424,678 km (0.116 R)
• M18: 34,356,946 km (0.055 R)
• M19: 36,335,378 km (0.116 R)
• M20: 37,238,500 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.6

Radius: 5.1

Gravity: 26.74 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.52 AU - 11.34 AU

Year: 19641 Days

Day: 16.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,560,643 km

• M1: 63,579 km (0.061 R)
• M2: 249,230 km (0.079 R)
• M3: 427,850 km (0.108 R)
• M4: 606,171 km (0.078 R)
• M5: 856,448 km (0.1 R)
• M6: 1,271,582 km (0.093 R)
• M7: 2,584,004 km (0.066 R)
• M8: 3,163,546 km (0.049 R)
• M9: 3,498,496 km (0.115 R)
• M10: 5,777,619 km (0.109 R)
• M11: 7,556,787 km (0.077 R)
• M12: 7,802,127 km (0.071 R)
• M13: 8,103,567 km (0.108 R)
• M14: 11,754,503 km (0.102 R)
• M15: 12,692,931 km (0.098 R)
• M16: 13,180,470 km (0.093 R)
• M17: 16,452,475 km (0.081 R)
• M18: 20,796,797 km (0.062 R)
• M19: 23,282,365 km (0.113 R)
• M20: 24,757,251 km (0.1 R)
• M21: 25,848,118 km (0.094 R)
• M22: 30,656,643 km (0.101 R)
• M23: 37,286,521 km (0.04 R)
• M24: 38,718,023 km (0.097 R)
• M25: 39,447,313 km (0.111 R)
• M26: 46,591,958 km (0.045 R)
• M27: 49,436,561 km (0.108 R)
• M28: 51,337,501 km (0.074 R)
• M29: 54,007,524 km (0.046 R)
• M30: 58,660,766 km (0.092 R)
• M31: 60,594,468 km (0.119 R)
• M32: 64,997,432 km (0.042 R)
• M33: 69,823,609 km (0.113 R)
• M34: 73,986,320 km (0.084 R)
• M35: 74,433,767 km (0.048 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: 242 - 12,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit