🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 14.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.35 AU - 2.17 AU

Year: 1557 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,212,402 km

• M1: 186,549 km (0.114 R)
• M2: 661,372 km (0.109 R)
• M3: 1,155,195 km (0.081 R)
• M4: 2,180,688 km (0.087 R)
• M5: 2,891,278 km (0.116 R)
• M6: 3,395,572 km (0.027 R)
• M7: 4,118,429 km (0.098 R)
• M8: 5,065,683 km (0.102 R)
• M9: 5,647,320 km (0.084 R)
• M10: 6,321,557 km (0.116 R)
• M11: 7,393,127 km (0.114 R)
• M12: 8,376,134 km (0.074 R)
• M13: 9,412,698 km (0.032 R)
• M14: 9,929,409 km (0.1 R)
• M15: 11,304,812 km (0.111 R)
• M16: 12,764,887 km (0.12 R)
• M17: 13,278,457 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 13.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.67 AU - 2.01 AU

Year: 1664 Days

Day: 8.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,212,402 km

• M1: 171,589 km (0.1 R)
• M2: 1,925,773 km (0.111 R)
• M3: 3,174,018 km (0.094 R)
• M4: 3,842,571 km (0.04 R)
• M5: 4,703,058 km (0.102 R)
• M6: 7,752,610 km (0.082 R)
• M7: 8,420,415 km (0.097 R)
• M8: 9,001,005 km (0.075 R)
• M9: 9,971,895 km (0.101 R)
• M10: 10,975,547 km (0.118 R)
• M11: 11,894,078 km (0.056 R)
• M12: 12,902,966 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 14.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.63 AU - 2.25 AU

Year: 1802 Days

Day: 5 Hours

Environment

Temp: -193 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,212,402 km

• M1: 180,415 km (0.053 R)
• M2: 631,303 km (0.103 R)
• M3: 1,099,844 km (0.091 R)
• M4: 1,605,335 km (0.085 R)
• M5: 2,089,583 km (0.111 R)
• M6: 2,915,363 km (0.094 R)
• M7: 3,631,937 km (0.086 R)
• M8: 4,135,334 km (0.097 R)
• M9: 5,000,309 km (0.1 R)
• M10: 5,886,227 km (0.093 R)
• M11: 6,821,513 km (0.084 R)
• M12: 7,593,438 km (0.11 R)
• M13: 9,950,652 km (0.05 R)
• M14: 10,762,520 km (0.071 R)
• M15: 12,842,528 km (0.041 R)
• M16: 15,408,581 km (0.053 R)
• M17: 15,922,300 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 13

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.8 AU - 4.12 AU

Year: 4292 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,212,402 km

• M1: 161,865 km (0.095 R)
• M2: 739,462 km (0.092 R)
• M3: 1,862,793 km (0.071 R)
• M4: 3,412,178 km (0.091 R)
• M5: 4,017,900 km (0.119 R)
• M6: 4,649,951 km (0.094 R)
• M7: 5,671,255 km (0.118 R)
• M8: 7,129,386 km (0.108 R)
• M9: 8,058,688 km (0.058 R)
• M10: 10,044,899 km (0.093 R)
• M11: 11,051,842 km (0.045 R)
• M12: 16,172,727 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 12.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.42 AU - 5 AU

Year: 5760 Days

Day: 11 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,212,402 km

• M1: 155,731 km (0.083 R)
• M2: 619,186 km (0.112 R)
• M3: 1,336,059 km (0.076 R)
• M4: 2,005,958 km (0.091 R)
• M5: 2,767,411 km (0.032 R)
• M6: 4,282,538 km (0.114 R)
• M7: 5,671,106 km (0.062 R)
• M8: 8,667,102 km (0.103 R)
• M9: 10,371,920 km (0.112 R)
• M10: 10,947,871 km (0.101 R)
• M11: 12,122,065 km (0.08 R)
• M12: 13,378,388 km (0.093 R)
• M13: 14,061,452 km (0.073 R)
• M14: 15,349,340 km (0.056 R)
• M15: 16,353,142 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.1

Radius: 14.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.91 AU - 4.77 AU

Year: 6029 Days

Day: 10.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,212,402 km

• M1: 181,612 km (0.089 R)
• M2: 656,735 km (0.093 R)
• M3: 1,950,307 km (0.08 R)
• M4: 2,595,074 km (0.092 R)
• M5: 3,097,274 km (0.086 R)
• M6: 6,616,564 km (0.118 R)
• M7: 7,458,202 km (0.105 R)
• M8: 10,450,159 km (0.101 R)
• M9: 12,101,869 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.6

Radius: 4.7

Gravity: 35.65 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.33 AU - 7.09 AU

Year: 11591 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,212,402 km

• M1: 58,493 km (0.119 R)
• M2: 216,917 km (0.119 R)
• M3: 468,840 km (0.105 R)
• M4: 1,209,499 km (0.085 R)
• M5: 1,628,822 km (0.099 R)
• M6: 2,662,543 km (0.109 R)
• M7: 2,930,921 km (0.066 R)
• M8: 3,095,629 km (0.038 R)
• M9: 3,708,232 km (0.116 R)
• M10: 4,188,591 km (0.073 R)
• M11: 4,709,491 km (0.079 R)
• M12: 5,002,104 km (0.096 R)
• M13: 5,953,098 km (0.039 R)
• M14: 6,218,185 km (0.101 R)
• M15: 7,531,056 km (0.116 R)
• M16: 8,725,894 km (0.107 R)
• M17: 9,117,541 km (0.115 R)
• M18: 10,201,528 km (0.07 R)
• M19: 11,082,958 km (0.11 R)
• M20: 12,996,315 km (0.112 R)
• M21: 15,119,258 km (0.042 R)
• M22: 16,631,394 km (0.059 R)
• M23: 20,977,212 km (0.092 R)
• M24: 21,151,344 km (0.1 R)
• M25: 23,503,022 km (0.085 R)
• M26: 25,033,558 km (0.047 R)
• M27: 25,525,286 km (0.1 R)
• M28: 29,583,129 km (0.062 R)
• M29: 36,885,300 km (0.117 R)
• M30: 40,140,699 km (0.119 R)
• M31: 42,044,631 km (0.049 R)
• M32: 50,888,558 km (0.103 R)
• M33: 51,203,013 km (0.118 R)
• M34: 51,677,088 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.8

Radius: 4.3

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.63 AU - 8.37 AU

Year: 13697 Days

Day: 16.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,212,402 km

• M1: 53,406 km (0.043 R)
• M2: 268,977 km (0.1 R)
• M3: 589,864 km (0.068 R)
• M4: 768,933 km (0.103 R)
• M5: 911,051 km (0.109 R)
• M6: 1,363,585 km (0.118 R)
• M7: 2,060,112 km (0.062 R)
• M8: 4,114,839 km (0.038 R)
• M9: 7,129,236 km (0.112 R)
• M10: 7,275,094 km (0.115 R)
• M11: 11,806,713 km (0.079 R)
• M12: 12,114,286 km (0.119 R)
• M13: 18,191,999 km (0.115 R)
• M14: 18,948,665 km (0.078 R)
• M15: 23,208,165 km (0.107 R)
• M16: 27,434,155 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.1

Radius: 7.2

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.97 AU - 8.21 AU

Year: 13944 Days

Day: 15.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,212,402 km

• M1: 93,349 km (0.091 R)
• M2: 437,873 km (0.108 R)
• M3: 732,581 km (0.061 R)
• M4: 957,277 km (0.048 R)
• M5: 2,686,179 km (0.091 R)
• M6: 3,165,192 km (0.105 R)
• M7: 3,855,436 km (0.112 R)
• M8: 4,823,634 km (0.085 R)
• M9: 5,564,891 km (0.084 R)
• M10: 6,123,639 km (0.11 R)
• M11: 7,475,705 km (0.099 R)
• M12: 10,599,757 km (0.115 R)
• M13: 11,790,556 km (0.104 R)
• M14: 13,309,872 km (0.112 R)
• M15: 15,622,954 km (0.119 R)
• M16: 18,266,199 km (0.115 R)
• M17: 19,496,342 km (0.106 R)
• M18: 24,328,204 km (0.032 R)
• M19: 29,382,069 km (0.107 R)
• M20: 34,056,404 km (0.106 R)
• M21: 35,327,088 km (0.074 R)
• M22: 37,231,469 km (0.082 R)
• M23: 37,962,853 km (0.063 R)
• M24: 39,960,134 km (0.091 R)
• M25: 42,421,767 km (0.047 R)
• M26: 44,027,401 km (0.104 R)
• M27: 44,571,489 km (0.06 R)
• M28: 45,534,450 km (0.048 R)
• M29: 46,934,088 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576

Radius: 5.2

Gravity: 21.3 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.07 AU - 8.31 AU

Year: 14221 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,212,402 km

• M1: 67,618 km (0.077 R)
• M2: 298,747 km (0.075 R)
• M3: 593,904 km (0.115 R)
• M4: 787,483 km (0.087 R)
• M5: 1,332,618 km (0.076 R)
• M6: 1,718,132 km (0.1 R)
• M7: 2,431,863 km (0.112 R)
• M8: 2,599,861 km (0.093 R)
• M9: 4,768,731 km (0.082 R)
• M10: 5,237,571 km (0.073 R)
• M11: 5,483,360 km (0.09 R)
• M12: 5,997,977 km (0.113 R)
• M13: 7,080,318 km (0.105 R)
• M14: 8,428,942 km (0.115 R)
• M15: 14,905,633 km (0.03 R)
• M16: 15,257,188 km (0.072 R)
• M17: 16,946,596 km (0.077 R)
• M18: 17,875,599 km (0.071 R)
• M19: 20,004,227 km (0.077 R)
• M20: 21,573,210 km (0.085 R)
• M21: 24,270,459 km (0.118 R)
• M22: 26,052,918 km (0.049 R)
• M23: 26,872,565 km (0.096 R)
• M24: 27,288,746 km (0.094 R)
• M25: 29,765,339 km (0.116 R)
• M26: 29,987,641 km (0.09 R)
• M27: 31,921,194 km (0.12 R)
• M28: 35,036,869 km (0.072 R)
• M29: 40,488,065 km (0.042 R)
• M30: 45,588,455 km (0.069 R)
• M31: 47,077,702 km (0.111 R)
• M32: 54,016,500 km (0.11 R)
• M33: 55,683,319 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 19,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit