🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.6

Radius: 12.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.84 AU - 1.38 AU

Year: 793 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,876,382 km

• M1: 150,495 km (0.104 R)
• M2: 563,236 km (0.086 R)
• M3: 949,946 km (0.117 R)
• M4: 1,344,735 km (0.04 R)
• M5: 1,836,912 km (0.098 R)
• M6: 2,522,370 km (0.109 R)
• M7: 3,051,647 km (0.116 R)
• M8: 3,499,543 km (0.061 R)
• M9: 4,227,636 km (0.082 R)
• M10: 4,757,511 km (0.12 R)
• M11: 5,442,221 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.4

Radius: 10

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.9 AU - 1.36 AU

Year: 815 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,876,382 km

• M1: 124,465 km (0.111 R)
• M2: 456,722 km (0.083 R)
• M3: 828,473 km (0.104 R)
• M4: 1,319,154 km (0.103 R)
• M5: 2,020,170 km (0.098 R)
• M6: 2,358,410 km (0.064 R)
• M7: 2,686,628 km (0.029 R)
• M8: 3,302,523 km (0.085 R)
• M9: 3,644,503 km (0.09 R)
• M10: 3,984,838 km (0.085 R)
• M11: 4,646,061 km (0.113 R)
• M12: 5,017,961 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 11.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.44 AU - 1.48 AU

Year: 1197 Days

Day: 7.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,876,382 km

• M1: 138,079 km (0.081 R)
• M2: 697,276 km (0.085 R)
• M3: 1,358,349 km (0.085 R)
• M4: 1,727,107 km (0.038 R)
• M5: 2,380,850 km (0.078 R)
• M6: 3,030,404 km (0.082 R)
• M7: 3,936,518 km (0.105 R)
• M8: 4,366,762 km (0.096 R)
• M9: 6,683,434 km (0.119 R)
• M10: 7,420,653 km (0.094 R)
• M11: 8,317,193 km (0.053 R)
• M12: 9,457,577 km (0.118 R)
• M13: 9,840,249 km (0.046 R)
• M14: 10,294,428 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.9

Radius: 12.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.42 AU - 1.94 AU

Year: 1477 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,876,382 km

• M1: 155,432 km (0.026 R)
• M2: 581,786 km (0.056 R)
• M3: 1,009,337 km (0.088 R)
• M4: 1,543,252 km (0.111 R)
• M5: 2,069,687 km (0.117 R)
• M6: 2,714,603 km (0.08 R)
• M7: 3,269,013 km (0.076 R)
• M8: 4,114,091 km (0.071 R)
• M9: 5,754,432 km (0.058 R)
• M10: 6,651,121 km (0.043 R)
• M11: 7,953,371 km (0.07 R)
• M12: 9,966,210 km (0.111 R)
• M13: 10,859,609 km (0.045 R)
• M14: 11,598,323 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 11.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.53 AU - 3.31 AU

Year: 3384 Days

Day: 9.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,876,382 km

• M1: 139,276 km (0.061 R)
• M2: 841,787 km (0.086 R)
• M3: 1,415,196 km (0.099 R)
• M4: 1,780,813 km (0.091 R)
• M5: 2,335,522 km (0.118 R)
• M6: 2,772,647 km (0.089 R)
• M7: 3,122,856 km (0.045 R)
• M8: 3,521,833 km (0.078 R)
• M9: 3,975,264 km (0.078 R)
• M10: 4,357,188 km (0.058 R)
• M11: 4,786,982 km (0.069 R)
• M12: 8,777,206 km (0.114 R)
• M13: 9,956,935 km (0.101 R)
• M14: 12,584,023 km (0.108 R)
• M15: 13,936,238 km (0.098 R)
• M16: 15,904,348 km (0.102 R)
• M17: 16,276,398 km (0.062 R)
• M18: 17,037,851 km (0.106 R)
• M19: 18,749,251 km (0.083 R)
• M20: 19,104,845 km (0.077 R)
• M21: 20,136,921 km (0.074 R)
• M22: 20,761,043 km (0.099 R)
• M23: 21,205,648 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 11.8

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.06 AU - 3.12 AU

Year: 3684 Days

Day: 14 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,876,382 km

• M1: 146,756 km (0.118 R)
• M2: 561,291 km (0.068 R)
• M3: 1,144,274 km (0.102 R)
• M4: 1,720,675 km (0.063 R)
• M5: 2,198,042 km (0.096 R)
• M6: 2,662,693 km (0.112 R)
• M7: 3,604,710 km (0.1 R)
• M8: 4,513,368 km (0.081 R)
• M9: 5,993,489 km (0.059 R)
• M10: 8,825,526 km (0.077 R)
• M11: 9,683,620 km (0.114 R)
• M12: 15,209,017 km (0.101 R)
• M13: 15,705,532 km (0.085 R)
• M14: 16,557,193 km (0.037 R)
• M15: 18,167,315 km (0.071 R)
• M16: 18,915,454 km (0.07 R)
• M17: 19,361,256 km (0.084 R)
• M18: 20,875,784 km (0.104 R)
• M19: 23,990,861 km (0.117 R)
• M20: 25,120,175 km (0.11 R)
• M21: 26,127,268 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 13.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.73 AU - 5.01 AU

Year: 7289 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,876,382 km

• M1: 177,273 km (0.099 R)
• M2: 639,232 km (0.09 R)
• M3: 1,338,303 km (0.111 R)
• M4: 2,090,929 km (0.088 R)
• M5: 3,133,926 km (0.079 R)
• M6: 3,605,757 km (0.105 R)
• M7: 4,417,027 km (0.052 R)
• M8: 4,954,382 km (0.116 R)
• M9: 5,471,991 km (0.096 R)
• M10: 6,797,578 km (0.054 R)
• M11: 7,245,922 km (0.12 R)
• M12: 7,793,899 km (0.093 R)
• M13: 8,841,683 km (0.05 R)
• M14: 9,981,320 km (0.095 R)
• M15: 12,774,461 km (0.107 R)
• M16: 13,930,105 km (0.04 R)
• M17: 14,779,821 km (0.049 R)
• M18: 15,599,468 km (0.055 R)
• M19: 18,527,846 km (0.047 R)
• M20: 23,117,658 km (0.104 R)
• M21: 24,831,601 km (0.093 R)
• M22: 29,682,611 km (0.12 R)
• M23: 33,927,151 km (0.114 R)
• M24: 35,242,117 km (0.096 R)
• M25: 38,914,894 km (0.062 R)
• M26: 39,511,042 km (0.118 R)
• M27: 41,335,836 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.4

Radius: 3.3

Gravity: 63.67 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.7 AU - 7.78 AU

Year: 13213 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,876,382 km

• M1: 177,273 km (0.061 R)
• M2: 569,669 km (0.108 R)
• M3: 882,328 km (0.113 R)
• M4: 1,367,624 km (0.119 R)
• M5: 1,733,091 km (0.1 R)
• M6: 2,198,790 km (0.1 R)
• M7: 2,460,586 km (0.061 R)
• M8: 5,041,598 km (0.087 R)
• M9: 6,854,126 km (0.077 R)
• M10: 7,064,909 km (0.082 R)
• M11: 10,765,661 km (0.065 R)
• M12: 12,487,233 km (0.092 R)
• M13: 13,445,857 km (0.098 R)
• M14: 13,577,353 km (0.114 R)
• M15: 15,580,469 km (0.07 R)
• M16: 17,380,430 km (0.074 R)
• M17: 18,654,555 km (0.118 R)
• M18: 33,273,259 km (0.116 R)
• M19: 34,857,351 km (0.063 R)
• M20: 35,105,534 km (0.061 R)
• M21: 37,521,540 km (0.119 R)
• M22: 38,438,724 km (0.074 R)
• M23: 40,591,437 km (0.1 R)
• M24: 41,141,958 km (0.111 R)
• M25: 46,621,578 km (0.114 R)
• M26: 52,731,005 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.1

Radius: 4.4

Gravity: 45.61 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.55 AU - 10.71 AU

Year: 17195 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,876,382 km

• M1: 54,753 km (0.094 R)
• M2: 333,304 km (0.116 R)
• M3: 559,795 km (0.112 R)
• M4: 965,056 km (0.045 R)
• M5: 1,168,659 km (0.105 R)
• M6: 1,823,448 km (0.041 R)
• M7: 1,995,187 km (0.082 R)
• M8: 2,327,144 km (0.106 R)
• M9: 3,345,906 km (0.065 R)
• M10: 5,677,688 km (0.08 R)
• M11: 6,918,453 km (0.093 R)
• M12: 7,872,588 km (0.051 R)
• M13: 9,240,062 km (0.053 R)
• M14: 9,576,807 km (0.049 R)
• M15: 10,097,108 km (0.095 R)
• M16: 12,233,515 km (0.117 R)
• M17: 18,059,904 km (0.061 R)
• M18: 18,763,612 km (0.062 R)
• M19: 21,959,172 km (0.086 R)
• M20: 22,861,995 km (0.075 R)
• M21: 23,581,112 km (0.085 R)
• M22: 27,518,828 km (0.102 R)
• M23: 28,685,691 km (0.045 R)
• M24: 30,868,623 km (0.118 R)
• M25: 35,835,272 km (0.103 R)
• M26: 38,363,476 km (0.119 R)
• M27: 40,409,975 km (0.107 R)
• M28: 42,068,268 km (0.077 R)
• M29: 52,446,919 km (0.113 R)
• M30: 67,083,126 km (0.102 R)
• M31: 68,553,823 km (0.047 R)
• M32: 69,190,661 km (0.073 R)
• M33: 72,214,931 km (0.104 R)
• M34: 73,982,131 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 15,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit