🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.47 AU - 0.63 AU

Year: 157 Days

Day: 31.9 Hours

Environment

Temp: 131 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.74 AU - 2.8 AU

Year: 1775 Days

Day: 19.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,318,410 km

• M1: 38,746 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 11

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.63 AU - 5.19 AU

Year: 4189 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,318,410 km

• M1: 147,055 km (0.106 R)
• M2: 631,453 km (0.041 R)
• M3: 1,063,042 km (0.076 R)
• M4: 1,436,439 km (0.116 R)
• M5: 1,858,604 km (0.079 R)
• M6: 2,573,831 km (0.114 R)
• M7: 4,328,764 km (0.073 R)
• M8: 6,204,272 km (0.113 R)
• M9: 6,935,357 km (0.073 R)
• M10: 7,407,937 km (0.077 R)
• M11: 8,157,123 km (0.078 R)
• M12: 9,074,457 km (0.082 R)
• M13: 12,288,567 km (0.111 R)
• M14: 14,017,171 km (0.12 R)
• M15: 14,555,125 km (0.031 R)
• M16: 16,487,780 km (0.1 R)
• M17: 17,209,141 km (0.109 R)
• M18: 17,763,700 km (0.103 R)
• M19: 19,900,107 km (0.048 R)
• M20: 20,511,364 km (0.075 R)
• M21: 21,065,026 km (0.092 R)
• M22: 23,380,352 km (0.091 R)
• M23: 26,834,118 km (0.111 R)
• M24: 28,170,177 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 10.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.2 AU - 6.46 AU

Year: 5420 Days

Day: 8.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,318,410 km

• M1: 131,497 km (0.09 R)
• M2: 882,478 km (0.068 R)
• M3: 1,470,996 km (0.113 R)
• M4: 1,917,546 km (0.112 R)
• M5: 2,606,892 km (0.108 R)
• M6: 4,680,618 km (0.112 R)
• M7: 5,806,492 km (0.116 R)
• M8: 6,563,756 km (0.109 R)
• M9: 7,565,164 km (0.036 R)
• M10: 8,121,519 km (0.087 R)
• M11: 10,131,516 km (0.119 R)
• M12: 10,854,223 km (0.09 R)
• M13: 11,952,870 km (0.118 R)
• M14: 13,071,563 km (0.108 R)
• M15: 18,317,062 km (0.099 R)
• M16: 18,982,324 km (0.064 R)
• M17: 27,314,477 km (0.076 R)
• M18: 31,179,637 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 13.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.07 AU - 8.27 AU

Year: 7392 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,318,410 km

• M1: 176,525 km (0.108 R)
• M2: 671,844 km (0.114 R)
• M3: 1,246,749 km (0.081 R)
• M4: 1,779,915 km (0.08 R)
• M5: 2,756,191 km (0.086 R)
• M6: 4,774,266 km (0.119 R)
• M7: 6,240,475 km (0.087 R)
• M8: 6,861,606 km (0.058 R)
• M9: 8,806,677 km (0.055 R)
• M10: 9,952,597 km (0.089 R)
• M11: 10,513,888 km (0.1 R)
• M12: 11,295,387 km (0.117 R)
• M13: 12,539,742 km (0.085 R)
• M14: 13,029,227 km (0.059 R)
• M15: 13,644,822 km (0.12 R)
• M16: 15,177,452 km (0.099 R)
• M17: 16,887,804 km (0.085 R)
• M18: 25,111,199 km (0.063 R)
• M19: 26,507,546 km (0.077 R)
• M20: 31,106,633 km (0.118 R)
• M21: 33,960,213 km (0.106 R)
• M22: 37,430,434 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 12.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.83 AU - 8.87 AU

Year: 8468 Days

Day: 11.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,318,410 km

• M1: 156,629 km (0.103 R)
• M2: 619,485 km (0.082 R)
• M3: 1,045,540 km (0.059 R)
• M4: 2,029,894 km (0.105 R)
• M5: 2,565,903 km (0.103 R)
• M6: 3,024,121 km (0.11 R)
• M7: 3,642,409 km (0.092 R)
• M8: 4,062,031 km (0.074 R)
• M9: 4,714,427 km (0.112 R)
• M10: 6,046,297 km (0.053 R)
• M11: 6,865,645 km (0.105 R)
• M12: 7,405,693 km (0.082 R)
• M13: 8,381,370 km (0.105 R)
• M14: 8,841,833 km (0.092 R)
• M15: 10,109,974 km (0.074 R)
• M16: 10,945,029 km (0.099 R)
• M17: 11,495,848 km (0.12 R)
• M18: 12,752,919 km (0.104 R)
• M19: 14,974,148 km (0.113 R)
• M20: 15,653,472 km (0.098 R)
• M21: 17,318,945 km (0.101 R)
• M22: 18,322,149 km (0.12 R)
• M23: 20,444,195 km (0.107 R)
• M24: 21,707,399 km (0.097 R)
• M25: 22,947,565 km (0.106 R)
• M26: 26,213,586 km (0.07 R)
• M27: 28,469,672 km (0.096 R)
• M28: 28,988,178 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.7

Radius: 13

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.49 AU - 11.35 AU

Year: 11131 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,318,410 km

• M1: 161,715 km (0.111 R)
• M2: 587,770 km (0.073 R)
• M3: 1,127,669 km (0.1 R)
• M4: 1,748,650 km (0.06 R)
• M5: 2,289,147 km (0.087 R)
• M6: 2,761,577 km (0.108 R)
• M7: 3,321,522 km (0.072 R)
• M8: 3,832,997 km (0.074 R)
• M9: 4,957,075 km (0.096 R)
• M10: 5,439,379 km (0.053 R)
• M11: 7,612,437 km (0.063 R)
• M12: 9,380,385 km (0.094 R)
• M13: 11,772,455 km (0.119 R)
• M14: 14,485,711 km (0.118 R)
• M15: 19,373,672 km (0.04 R)
• M16: 22,797,968 km (0.117 R)
• M17: 23,713,207 km (0.054 R)
• M18: 26,697,834 km (0.105 R)
• M19: 28,853,390 km (0.085 R)
• M20: 32,352,933 km (0.092 R)
• M21: 34,583,138 km (0.109 R)
• M22: 36,687,831 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.2

Radius: 11.8

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.76 AU - 12.48 AU

Year: 13325 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,318,410 km

• M1: 146,756 km (0.09 R)
• M2: 669,301 km (0.076 R)
• M3: 1,709,156 km (0.029 R)
• M4: 2,446,075 km (0.114 R)
• M5: 4,358,684 km (0.081 R)
• M6: 4,744,347 km (0.061 R)
• M7: 5,734,086 km (0.067 R)
• M8: 6,985,024 km (0.046 R)
• M9: 7,380,261 km (0.11 R)
• M10: 8,959,416 km (0.092 R)
• M11: 10,467,213 km (0.115 R)
• M12: 11,401,303 km (0.109 R)
• M13: 13,036,706 km (0.118 R)
• M14: 13,502,704 km (0.114 R)
• M15: 14,187,413 km (0.117 R)
• M16: 15,112,078 km (0.117 R)
• M17: 17,081,534 km (0.101 R)
• M18: 18,625,085 km (0.079 R)
• M19: 20,171,328 km (0.097 R)
• M20: 25,735,920 km (0.084 R)
• M21: 33,593,698 km (0.025 R)
• M22: 37,996,064 km (0.115 R)
• M23: 41,755,159 km (0.115 R)
• M24: 58,014,503 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933

Radius: 6.1

Gravity: 25.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 10.01 AU - 15.09 AU

Year: 17117 Days

Day: 24 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,318,410 km

• M1: 75,996 km (0.111 R)
• M2: 482,902 km (0.045 R)
• M3: 730,187 km (0.104 R)
• M4: 1,234,332 km (0.099 R)
• M5: 1,909,168 km (0.052 R)
• M6: 2,126,683 km (0.107 R)
• M7: 2,564,706 km (0.114 R)
• M8: 2,805,409 km (0.106 R)
• M9: 3,061,221 km (0.118 R)
• M10: 4,276,554 km (0.084 R)
• M11: 5,234,429 km (0.04 R)
• M12: 6,371,074 km (0.071 R)
• M13: 7,136,566 km (0.099 R)
• M14: 8,957,173 km (0.07 R)
• M15: 9,232,433 km (0.115 R)
• M16: 9,456,680 km (0.118 R)
• M17: 10,450,608 km (0.1 R)
• M18: 11,576,781 km (0.055 R)
• M19: 13,486,248 km (0.11 R)
• M20: 14,895,460 km (0.056 R)
• M21: 16,564,224 km (0.063 R)
• M22: 16,812,407 km (0.114 R)
• M23: 18,798,020 km (0.074 R)
• M24: 19,800,774 km (0.081 R)
• M25: 20,742,942 km (0.053 R)
• M26: 25,905,564 km (0.043 R)
• M27: 26,128,315 km (0.074 R)
• M28: 27,375,812 km (0.093 R)
• M29: 32,634,626 km (0.103 R)
• M30: 35,568,539 km (0.097 R)
• M31: 39,110,568 km (0.096 R)
• M32: 42,108,061 km (0.11 R)
• M33: 58,452,526 km (0.104 R)
• M34: 68,969,555 km (0.119 R)
• M35: 69,183,330 km (0.112 R)
• M36: 74,671,328 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.7

Radius: 6.9

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 13.41 AU - 21.03 AU

Year: 27512 Days

Day: 18.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,318,410 km

• M1: 86,767 km (0.09 R)
• M2: 312,660 km (0.082 R)
• M3: 615,595 km (0.059 R)
• M4: 914,492 km (0.11 R)
• M5: 2,069,387 km (0.092 R)
• M6: 2,894,868 km (0.106 R)
• M7: 3,248,817 km (0.111 R)
• M8: 4,618,535 km (0.08 R)
• M9: 5,066,880 km (0.111 R)
• M10: 6,212,351 km (0.113 R)
• M11: 7,708,629 km (0.111 R)
• M12: 8,899,727 km (0.099 R)
• M13: 12,147,796 km (0.075 R)
• M14: 33,867,462 km (0.063 R)
• M15: 38,667,609 km (0.109 R)
• M16: 44,511,500 km (0.111 R)
• M17: 58,460,604 km (0.107 R)
• M18: 64,730,251 km (0.075 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: 363 - 13,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit