🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 14.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.96 AU - 1.16 AU

Year: 753 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,247,614 km

• M1: 182,809 km (0.109 R)
• M2: 752,028 km (0.081 R)
• M3: 1,270,834 km (0.054 R)
• M4: 2,028,248 km (0.113 R)
• M5: 2,614,522 km (0.056 R)
• M6: 3,335,733 km (0.092 R)
• M7: 4,442,010 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.4

Radius: 10.1

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.25 AU - 1.55 AU

Year: 1143 Days

Day: 12.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,247,614 km

• M1: 125,662 km (0.115 R)
• M2: 472,879 km (0.115 R)
• M3: 828,473 km (0.109 R)
• M4: 1,266,944 km (0.065 R)
• M5: 1,778,569 km (0.106 R)
• M6: 2,351,679 km (0.07 R)
• M7: 2,728,366 km (0.109 R)
• M8: 3,218,598 km (0.058 R)
• M9: 3,572,248 km (0.118 R)
• M10: 3,934,723 km (0.111 R)
• M11: 4,249,627 km (0.101 R)
• M12: 5,234,878 km (0.107 R)
• M13: 6,460,833 km (0.116 R)
• M14: 7,179,800 km (0.093 R)
• M15: 8,173,280 km (0.107 R)
• M16: 8,865,170 km (0.119 R)
• M17: 9,317,255 km (0.099 R)
• M18: 10,901,646 km (0.097 R)
• M19: 12,211,973 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.2

Radius: 10.3

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.62 AU - 2.1 AU

Year: 1751 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,247,614 km

• M1: 128,505 km (0.116 R)
• M2: 487,988 km (0.094 R)
• M3: 882,328 km (0.092 R)
• M4: 1,243,607 km (0.117 R)
• M5: 1,577,210 km (0.114 R)
• M6: 1,960,181 km (0.072 R)
• M7: 2,366,938 km (0.104 R)
• M8: 3,067,953 km (0.059 R)
• M9: 3,551,603 km (0.055 R)
• M10: 3,883,860 km (0.11 R)
• M11: 4,490,778 km (0.119 R)
• M12: 4,817,351 km (0.044 R)
• M13: 5,846,135 km (0.074 R)
• M14: 6,514,838 km (0.102 R)
• M15: 8,486,687 km (0.078 R)
• M16: 10,755,189 km (0.101 R)
• M17: 11,417,758 km (0.097 R)
• M18: 12,905,509 km (0.107 R)
• M19: 14,607,035 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.9

Radius: 13.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.55 AU - 5.89 AU

Year: 7078 Days

Day: 12.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,247,614 km

• M1: 163,062 km (0.057 R)
• M2: 954,734 km (0.107 R)
• M3: 2,169,468 km (0.102 R)
• M4: 2,771,301 km (0.105 R)
• M5: 3,790,960 km (0.075 R)
• M6: 4,388,005 km (0.094 R)
• M7: 4,991,931 km (0.11 R)
• M8: 10,207,512 km (0.101 R)
• M9: 12,872,747 km (0.06 R)
• M10: 15,198,396 km (0.104 R)
• M11: 18,185,117 km (0.102 R)
• M12: 23,212,354 km (0.095 R)
• M13: 24,966,239 km (0.101 R)
• M14: 26,892,760 km (0.108 R)
• M15: 28,024,468 km (0.096 R)
• M16: 32,382,105 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26

Radius: 12.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.38 AU - 5.84 AU

Year: 7973 Days

Day: 11.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,247,614 km

• M1: 153,338 km (0.1 R)
• M2: 1,175,091 km (0.102 R)
• M3: 2,250,550 km (0.038 R)
• M4: 2,937,803 km (0.074 R)
• M5: 4,037,647 km (0.06 R)
• M6: 5,160,079 km (0.059 R)
• M7: 8,127,952 km (0.065 R)
• M8: 9,018,657 km (0.071 R)
• M9: 13,244,049 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 8.7

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.44 AU - 6.42 AU

Year: 8734 Days

Day: 11.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,247,614 km

• M1: 108,758 km (0.069 R)
• M2: 449,392 km (0.035 R)
• M3: 760,256 km (0.099 R)
• M4: 1,388,268 km (0.119 R)
• M5: 1,853,667 km (0.118 R)
• M6: 2,132,218 km (0.102 R)
• M7: 3,566,264 km (0.119 R)
• M8: 4,301,238 km (0.073 R)
• M9: 8,810,267 km (0.061 R)
• M10: 9,226,000 km (0.084 R)
• M11: 9,606,577 km (0.105 R)
• M12: 9,898,742 km (0.107 R)
• M13: 11,127,688 km (0.06 R)
• M14: 17,211,235 km (0.114 R)
• M15: 24,471,369 km (0.111 R)
• M16: 29,580,137 km (0.064 R)
• M17: 31,465,219 km (0.052 R)
• M18: 35,357,457 km (0.105 R)
• M19: 39,559,212 km (0.102 R)
• M20: 41,973,871 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.3

Radius: 5.6

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.73 AU - 7.89 AU

Year: 15066 Days

Day: 22.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,247,614 km

• M1: 69,713 km (0.063 R)
• M2: 690,544 km (0.094 R)
• M3: 957,426 km (0.109 R)
• M4: 1,303,895 km (0.112 R)
• M5: 1,486,255 km (0.095 R)
• M6: 2,209,710 km (0.053 R)
• M7: 2,394,015 km (0.071 R)
• M8: 2,922,394 km (0.107 R)
• M9: 3,500,590 km (0.086 R)
• M10: 4,042,733 km (0.08 R)
• M11: 4,609,559 km (0.055 R)
• M12: 5,325,086 km (0.096 R)
• M13: 5,692,498 km (0.085 R)
• M14: 6,184,226 km (0.092 R)
• M15: 8,173,130 km (0.096 R)
• M16: 9,844,886 km (0.091 R)
• M17: 11,239,438 km (0.097 R)
• M18: 12,585,220 km (0.051 R)
• M19: 12,760,698 km (0.114 R)
• M20: 13,662,474 km (0.103 R)
• M21: 13,972,441 km (0.099 R)
• M22: 14,160,486 km (0.105 R)
• M23: 16,274,154 km (0.074 R)
• M24: 17,046,827 km (0.059 R)
• M25: 21,362,875 km (0.044 R)
• M26: 22,374,007 km (0.076 R)
• M27: 24,400,609 km (0.069 R)
• M28: 25,225,791 km (0.114 R)
• M29: 31,315,621 km (0.113 R)
• M30: 33,507,679 km (0.071 R)
• M31: 34,986,005 km (0.12 R)
• M32: 37,950,137 km (0.079 R)
• M33: 41,593,294 km (0.067 R)
• M34: 43,034,071 km (0.103 R)
• M35: 44,237,437 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.2

Radius: 5.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.21 AU - 10.95 AU

Year: 20467 Days

Day: 24.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,247,614 km

• M1: 70,161 km (0.101 R)
• M2: 277,953 km (0.047 R)
• M3: 550,071 km (0.109 R)
• M4: 759,209 km (0.097 R)
• M5: 1,788,891 km (0.092 R)
• M6: 2,345,844 km (0.077 R)
• M7: 2,606,294 km (0.113 R)
• M8: 2,824,258 km (0.12 R)
• M9: 3,648,393 km (0.115 R)
• M10: 4,481,653 km (0.107 R)
• M11: 5,002,553 km (0.107 R)
• M12: 7,495,601 km (0.117 R)
• M13: 8,397,377 km (0.109 R)
• M14: 8,655,434 km (0.1 R)
• M15: 11,118,263 km (0.072 R)
• M16: 11,961,098 km (0.059 R)
• M17: 13,420,425 km (0.035 R)
• M18: 16,219,850 km (0.086 R)
• M19: 18,288,190 km (0.036 R)
• M20: 19,236,641 km (0.093 R)
• M21: 20,140,960 km (0.042 R)
• M22: 21,710,391 km (0.074 R)
• M23: 26,352,114 km (0.096 R)
• M24: 29,788,826 km (0.104 R)
• M25: 31,304,850 km (0.106 R)
• M26: 38,118,435 km (0.097 R)
• M27: 39,422,180 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 11,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit