🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.9

Radius: 10.8

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.04 AU - 1.72 AU

Year: 1031 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,447,643 km

• M1: 134,339 km (0.104 R)
• M2: 575,802 km (0.041 R)
• M3: 1,026,989 km (0.104 R)
• M4: 1,441,824 km (0.093 R)
• M5: 1,958,386 km (0.119 R)
• M6: 2,453,555 km (0.117 R)
• M7: 4,032,411 km (0.113 R)
• M8: 4,618,834 km (0.041 R)
• M9: 4,989,687 km (0.099 R)
• M10: 5,481,416 km (0.072 R)
• M11: 6,984,575 km (0.116 R)
• M12: 8,361,025 km (0.103 R)
• M13: 9,880,191 km (0.087 R)
• M14: 10,435,798 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 10.8

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.82 AU - 2.68 AU

Year: 2146 Days

Day: 8.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,447,643 km

• M1: 134,339 km (0.063 R)
• M2: 614,847 km (0.112 R)
• M3: 950,994 km (0.119 R)
• M4: 1,462,469 km (0.102 R)
• M5: 1,844,392 km (0.089 R)
• M6: 2,386,086 km (0.087 R)
• M7: 2,724,626 km (0.105 R)
• M8: 3,210,221 km (0.051 R)
• M9: 4,335,496 km (0.093 R)
• M10: 4,735,072 km (0.115 R)
• M11: 5,251,633 km (0.101 R)
• M12: 5,706,411 km (0.059 R)
• M13: 6,613,273 km (0.109 R)
• M14: 9,247,692 km (0.119 R)
• M15: 11,376,918 km (0.111 R)
• M16: 11,855,332 km (0.055 R)
• M17: 12,767,131 km (0.038 R)
• M18: 14,636,955 km (0.106 R)
• M19: 15,346,946 km (0.105 R)
• M20: 15,882,208 km (0.082 R)
• M21: 17,933,793 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.5

Radius: 12.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.13 AU - 3.09 AU

Year: 2681 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,447,643 km

• M1: 150,495 km (0.098 R)
• M2: 628,461 km (0.104 R)
• M3: 1,016,518 km (0.051 R)
• M4: 2,085,394 km (0.098 R)
• M5: 2,755,443 km (0.098 R)
• M6: 3,894,332 km (0.084 R)
• M7: 4,593,403 km (0.048 R)
• M8: 5,080,643 km (0.109 R)
• M9: 10,949,517 km (0.075 R)
• M10: 13,991,739 km (0.111 R)
• M11: 14,969,661 km (0.094 R)
• M12: 16,467,734 km (0.042 R)
• M13: 16,952,281 km (0.099 R)
• M14: 21,116,188 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.4

Radius: 11.3

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.54 AU - 2.82 AU

Year: 2790 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,447,643 km

• M1: 143,016 km (0.061 R)
• M2: 1,122,134 km (0.066 R)
• M3: 1,577,360 km (0.104 R)
• M4: 1,945,371 km (0.096 R)
• M5: 2,656,260 km (0.07 R)
• M6: 3,710,326 km (0.091 R)
• M7: 6,084,295 km (0.046 R)
• M8: 7,420,802 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 14.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.02 AU - 3.34 AU

Year: 2790 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,447,643 km

• M1: 177,872 km (0.092 R)
• M2: 822,040 km (0.061 R)
• M3: 1,289,384 km (0.113 R)
• M4: 1,792,182 km (0.119 R)
• M5: 2,853,729 km (0.114 R)
• M6: 3,313,443 km (0.101 R)
• M7: 4,097,186 km (0.108 R)
• M8: 5,259,712 km (0.104 R)
• M9: 6,858,464 km (0.112 R)
• M10: 8,166,697 km (0.099 R)
• M11: 8,761,498 km (0.096 R)
• M12: 10,452,104 km (0.05 R)
• M13: 11,154,167 km (0.051 R)
• M14: 11,804,469 km (0.113 R)
• M15: 12,652,838 km (0.112 R)
• M16: 15,344,254 km (0.065 R)
• M17: 17,734,828 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.2

Radius: 12.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.38 AU - 3.86 AU

Year: 4379 Days

Day: 10.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,447,643 km

• M1: 154,235 km (0.033 R)
• M2: 634,594 km (0.081 R)
• M3: 1,046,736 km (0.118 R)
• M4: 1,824,795 km (0.064 R)
• M5: 2,671,220 km (0.103 R)
• M6: 3,120,612 km (0.096 R)
• M7: 3,701,949 km (0.084 R)
• M8: 5,423,222 km (0.065 R)
• M9: 5,834,616 km (0.118 R)
• M10: 6,266,954 km (0.028 R)
• M11: 8,251,071 km (0.032 R)
• M12: 9,060,096 km (0.03 R)
• M13: 10,002,413 km (0.111 R)
• M14: 15,067,797 km (0.037 R)
• M15: 15,996,201 km (0.055 R)
• M16: 17,786,888 km (0.113 R)
• M17: 18,886,133 km (0.087 R)
• M18: 19,900,706 km (0.103 R)
• M19: 20,685,197 km (0.106 R)
• M20: 24,920,911 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.7

Radius: 11.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.31 AU - 6.67 AU

Year: 8179 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,447,643 km

• M1: 156,629 km (0.11 R)
• M2: 529,726 km (0.09 R)
• M3: 1,075,010 km (0.08 R)
• M4: 1,667,717 km (0.036 R)
• M5: 2,655,661 km (0.04 R)
• M6: 3,229,818 km (0.074 R)
• M7: 3,664,699 km (0.12 R)
• M8: 5,349,769 km (0.077 R)
• M9: 5,752,786 km (0.104 R)
• M10: 7,361,262 km (0.088 R)
• M11: 9,456,680 km (0.102 R)
• M12: 12,413,482 km (0.114 R)
• M13: 15,879,365 km (0.106 R)
• M14: 16,594,293 km (0.115 R)
• M15: 19,000,874 km (0.089 R)
• M16: 19,943,341 km (0.076 R)
• M17: 20,635,530 km (0.088 R)
• M18: 22,883,238 km (0.085 R)
• M19: 24,182,945 km (0.117 R)
• M20: 25,289,670 km (0.103 R)
• M21: 25,937,129 km (0.034 R)
• M22: 30,327,378 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.5

Radius: 9.3

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.9 AU - 6.38 AU

Year: 8516 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,447,643 km

• M1: 115,938 km (0.109 R)
• M2: 496,964 km (0.096 R)
• M3: 977,173 km (0.093 R)
• M4: 1,275,172 km (0.055 R)
• M5: 1,635,105 km (0.078 R)
• M6: 2,215,395 km (0.099 R)
• M7: 2,969,667 km (0.04 R)
• M8: 4,565,877 km (0.104 R)
• M9: 4,859,238 km (0.077 R)
• M10: 5,227,997 km (0.12 R)
• M11: 7,163,045 km (0.101 R)
• M12: 9,917,142 km (0.05 R)
• M13: 11,664,296 km (0.112 R)
• M14: 13,249,883 km (0.109 R)
• M15: 15,297,429 km (0.066 R)
• M16: 15,957,455 km (0.086 R)
• M17: 18,863,394 km (0.093 R)
• M18: 24,341,967 km (0.092 R)
• M19: 24,699,207 km (0.112 R)
• M20: 26,631,862 km (0.104 R)
• M21: 27,106,536 km (0.107 R)
• M22: 30,278,759 km (0.079 R)
• M23: 39,520,915 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.4

Radius: 7.1

Gravity: 16.97 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.2 AU - 6.8 AU

Year: 10537 Days

Day: 22.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 166.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,447,643 km

• M1: 88,263 km (0.112 R)
• M2: 336,745 km (0.116 R)
• M3: 688,001 km (0.101 R)
• M4: 1,458,130 km (0.05 R)
• M5: 1,740,272 km (0.107 R)
• M6: 2,094,370 km (0.11 R)
• M7: 2,924,788 km (0.119 R)
• M8: 3,157,113 km (0.115 R)
• M9: 3,529,014 km (0.111 R)
• M10: 3,765,827 km (0.03 R)
• M11: 6,638,854 km (0.06 R)
• M12: 6,878,959 km (0.07 R)
• M13: 9,559,753 km (0.063 R)
• M14: 11,328,149 km (0.089 R)
• M15: 11,787,714 km (0.093 R)
• M16: 15,289,800 km (0.105 R)
• M17: 16,940,313 km (0.112 R)
• M18: 18,785,603 km (0.104 R)
• M19: 19,839,071 km (0.088 R)
• M20: 20,506,577 km (0.057 R)
• M21: 24,164,993 km (0.096 R)
• M22: 25,410,096 km (0.116 R)
• M23: 27,820,118 km (0.074 R)
• M24: 34,146,312 km (0.032 R)
• M25: 34,384,323 km (0.065 R)
• M26: 34,743,208 km (0.12 R)
• M27: 35,104,636 km (0.114 R)
• M28: 35,590,381 km (0.098 R)
• M29: 37,451,977 km (0.099 R)
• M30: 37,704,947 km (0.112 R)
• M31: 40,431,069 km (0.093 R)
• M32: 42,046,426 km (0.079 R)
• M33: 44,549,348 km (0.073 R)
• M34: 46,272,117 km (0.04 R)
• M35: 47,444,965 km (0.118 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: 336 - 13,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit