🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.8

Radius: 12.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 8.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,047,269 km

• M1: 160,369 km (0.066 R)
• M2: 755,918 km (0.098 R)
• M3: 1,265,149 km (0.086 R)
• M4: 2,328,940 km (0.087 R)
• M5: 3,745,332 km (0.087 R)
• M6: 5,120,436 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.5

Radius: 11.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.8 AU - 1.04 AU

Year: 609 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,047,269 km

• M1: 144,811 km (0.033 R)
• M2: 593,904 km (0.098 R)
• M3: 1,002,904 km (0.096 R)
• M4: 1,442,572 km (0.067 R)
• M5: 1,827,637 km (0.06 R)
• M6: 2,822,613 km (0.067 R)
• M7: 3,310,302 km (0.108 R)
• M8: 3,772,709 km (0.111 R)
• M9: 4,608,811 km (0.05 R)
• M10: 6,051,982 km (0.104 R)
• M11: 6,509,303 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.9

Radius: 14.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.23 AU - 1.51 AU

Year: 1107 Days

Day: 12.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 121.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,047,269 km

• M1: 176,675 km (0.074 R)
• M2: 692,788 km (0.034 R)
• M3: 1,345,633 km (0.083 R)
• M4: 1,806,394 km (0.088 R)
• M5: 2,308,445 km (0.087 R)
• M6: 3,527,368 km (0.113 R)
• M7: 4,392,044 km (0.107 R)
• M8: 5,025,142 km (0.092 R)
• M9: 5,575,064 km (0.099 R)
• M10: 6,385,735 km (0.099 R)
• M11: 7,773,255 km (0.108 R)
• M12: 8,758,357 km (0.116 R)
• M13: 9,499,166 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 8.7

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.33 AU - 1.57 AU

Year: 1205 Days

Day: 12 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,047,269 km

• M1: 108,159 km (0.064 R)
• M2: 411,394 km (0.057 R)
• M3: 765,044 km (0.086 R)
• M4: 1,298,809 km (0.099 R)
• M5: 1,668,016 km (0.032 R)
• M6: 2,011,044 km (0.115 R)
• M7: 2,472,703 km (0.095 R)
• M8: 2,880,806 km (0.111 R)
• M9: 3,561,626 km (0.089 R)
• M10: 4,049,614 km (0.105 R)
• M11: 4,637,235 km (0.115 R)
• M12: 5,570,875 km (0.084 R)
• M13: 6,275,032 km (0.031 R)
• M14: 6,720,385 km (0.094 R)
• M15: 7,517,891 km (0.084 R)
• M16: 8,020,540 km (0.104 R)
• M17: 8,917,679 km (0.104 R)
• M18: 10,976,744 km (0.106 R)
• M19: 11,589,347 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 10.1

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.66 AU - 1.9 AU

Year: 1639 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,047,269 km

• M1: 126,859 km (0.094 R)
• M2: 479,611 km (0.044 R)
• M3: 898,485 km (0.087 R)
• M4: 1,246,898 km (0.089 R)
• M5: 2,028,697 km (0.083 R)
• M6: 2,353,324 km (0.101 R)
• M7: 3,032,798 km (0.118 R)
• M8: 3,460,348 km (0.119 R)
• M9: 4,037,347 km (0.119 R)
• M10: 4,576,199 km (0.1 R)
• M11: 5,565,190 km (0.106 R)
• M12: 5,940,681 km (0.118 R)
• M13: 7,061,767 km (0.076 R)
• M14: 8,020,391 km (0.12 R)
• M15: 8,810,267 km (0.093 R)
• M16: 10,902,842 km (0.073 R)
• M17: 11,231,958 km (0.09 R)
• M18: 12,142,261 km (0.116 R)
• M19: 15,214,253 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.1

Radius: 10.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.4 AU - 3.2 AU

Year: 3234 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,047,269 km

• M1: 133,142 km (0.107 R)
• M2: 644,168 km (0.11 R)
• M3: 3,414,571 km (0.102 R)
• M4: 4,406,704 km (0.092 R)
• M5: 5,015,269 km (0.093 R)
• M6: 5,556,364 km (0.084 R)
• M7: 6,617,611 km (0.111 R)
• M8: 8,057,042 km (0.052 R)
• M9: 9,483,607 km (0.087 R)
• M10: 15,930,378 km (0.07 R)
• M11: 16,687,343 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.7

Radius: 6

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.05 AU - 9.61 AU

Year: 16595 Days

Day: 16.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,047,269 km

• M1: 74,649 km (0.097 R)
• M2: 702,362 km (0.044 R)
• M3: 1,063,491 km (0.104 R)
• M4: 5,420,380 km (0.102 R)
• M5: 6,853,228 km (0.057 R)
• M6: 12,252,215 km (0.089 R)
• M7: 13,230,286 km (0.102 R)
• M8: 13,499,712 km (0.04 R)
• M9: 15,489,214 km (0.1 R)
• M10: 17,423,514 km (0.058 R)
• M11: 18,157,591 km (0.109 R)
• M12: 22,807,691 km (0.091 R)
• M13: 24,283,474 km (0.101 R)
• M14: 25,301,937 km (0.109 R)
• M15: 28,193,664 km (0.072 R)
• M16: 28,527,865 km (0.091 R)
• M17: 30,824,641 km (0.07 R)
• M18: 31,897,108 km (0.113 R)
• M19: 54,131,990 km (0.103 R)
• M20: 62,984,444 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.2

Radius: 3.8

Gravity: 32.91 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.39 AU - 9.99 AU

Year: 17682 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,047,269 km

• M1: 47,423 km (0.106 R)
• M2: 196,422 km (0.052 R)
• M3: 465,848 km (0.094 R)
• M4: 1,379,292 km (0.102 R)
• M5: 1,606,831 km (0.119 R)
• M6: 2,040,964 km (0.117 R)
• M7: 2,399,101 km (0.104 R)
• M8: 3,343,064 km (0.078 R)
• M9: 5,772,683 km (0.088 R)
• M10: 6,082,051 km (0.032 R)
• M11: 6,200,981 km (0.08 R)
• M12: 7,521,631 km (0.12 R)
• M13: 7,704,590 km (0.113 R)
• M14: 10,646,432 km (0.09 R)
• M15: 12,716,118 km (0.093 R)
• M16: 15,256,739 km (0.113 R)
• M17: 19,115,167 km (0.099 R)
• M18: 19,801,223 km (0.041 R)
• M19: 23,285,208 km (0.117 R)
• M20: 24,265,523 km (0.039 R)
• M21: 31,910,423 km (0.083 R)
• M22: 36,272,397 km (0.097 R)
• M23: 36,663,895 km (0.078 R)
• M24: 37,587,961 km (0.1 R)
• M25: 38,392,349 km (0.063 R)
• M26: 50,078,486 km (0.082 R)
• M27: 50,726,095 km (0.049 R)
• M28: 50,888,857 km (0.112 R)
• M29: 52,702,582 km (0.107 R)
• M30: 58,938,719 km (0.084 R)
• M31: 60,205,813 km (0.089 R)
• M32: 61,491,008 km (0.066 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 13,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit