🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 13.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.59 AU

Year: 257 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 126.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,389,303 km

• M1: 166,802 km (0.055 R)
• M2: 584,928 km (0.094 R)
• M3: 1,215,333 km (0.115 R)
• M4: 1,661,284 km (0.027 R)
• M5: 2,637,111 km (0.084 R)
• M6: 3,058,229 km (0.108 R)
• M7: 3,694,319 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 9.2

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.49 AU - 0.79 AU

Year: 341 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,389,303 km

• M1: 114,592 km (0.088 R)
• M2: 459,265 km (0.083 R)
• M3: 761,902 km (0.085 R)
• M4: 1,080,246 km (0.077 R)
• M5: 1,469,949 km (0.089 R)
• M6: 1,819,110 km (0.106 R)
• M7: 2,803,464 km (0.1 R)
• M8: 3,204,237 km (0.083 R)
• M9: 3,737,703 km (0.065 R)
• M10: 4,895,142 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 11.2

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.56 AU - 0.84 AU

Year: 391 Days

Day: 7.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,389,303 km

• M1: 139,276 km (0.114 R)
• M2: 625,020 km (0.094 R)
• M3: 1,415,345 km (0.052 R)
• M4: 1,764,656 km (0.096 R)
• M5: 2,824,857 km (0.114 R)
• M6: 3,181,797 km (0.11 R)
• M7: 3,534,549 km (0.113 R)
• M8: 4,012,664 km (0.098 R)
• M9: 4,656,982 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.8

Radius: 9.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.85 AU - 1.37 AU

Year: 780 Days

Day: 7.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,389,303 km

• M1: 115,639 km (0.097 R)
• M2: 555,606 km (0.06 R)
• M3: 928,404 km (0.104 R)
• M4: 1,596,957 km (0.037 R)
• M5: 1,921,285 km (0.078 R)
• M6: 2,456,247 km (0.073 R)
• M7: 2,748,562 km (0.109 R)
• M8: 3,040,876 km (0.1 R)
• M9: 3,728,727 km (0.074 R)
• M10: 4,189,189 km (0.066 R)
• M11: 4,991,483 km (0.048 R)
• M12: 5,657,791 km (0.087 R)
• M13: 6,247,955 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 10.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.85 AU - 4.73 AU

Year: 4920 Days

Day: 6.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,389,303 km

• M1: 133,142 km (0.06 R)
• M2: 468,989 km (0.058 R)
• M3: 1,030,879 km (0.032 R)
• M4: 1,385,725 km (0.112 R)
• M5: 1,985,164 km (0.084 R)
• M6: 2,613,325 km (0.063 R)
• M7: 3,096,078 km (0.076 R)
• M8: 3,491,614 km (0.091 R)
• M9: 4,033,458 km (0.112 R)
• M10: 4,706,199 km (0.119 R)
• M11: 5,565,041 km (0.089 R)
• M12: 5,942,476 km (0.088 R)
• M13: 7,948,434 km (0.053 R)
• M14: 10,240,423 km (0.082 R)
• M15: 10,631,771 km (0.069 R)
• M16: 11,819,279 km (0.075 R)
• M17: 12,791,366 km (0.076 R)
• M18: 15,681,746 km (0.063 R)
• M19: 16,085,810 km (0.072 R)
• M20: 17,647,911 km (0.12 R)
• M21: 19,507,114 km (0.106 R)
• M22: 20,177,312 km (0.113 R)
• M23: 20,518,246 km (0.111 R)
• M24: 22,064,040 km (0.099 R)
• M25: 24,914,777 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.1

Radius: 8.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.47 AU - 4.87 AU

Year: 6730 Days

Day: 11 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,389,303 km

• M1: 102,026 km (0.076 R)
• M2: 377,136 km (0.082 R)
• M3: 1,552,676 km (0.104 R)
• M4: 3,913,032 km (0.092 R)
• M5: 8,843,777 km (0.087 R)
• M6: 13,787,987 km (0.047 R)
• M7: 17,324,929 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.3

Radius: 10.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.37 AU - 5.71 AU

Year: 8695 Days

Day: 10.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,389,303 km

• M1: 134,339 km (0.074 R)
• M2: 615,894 km (0.098 R)
• M3: 994,676 km (0.115 R)
• M4: 1,484,460 km (0.108 R)
• M5: 2,443,232 km (0.096 R)
• M6: 2,804,362 km (0.096 R)
• M7: 3,242,983 km (0.034 R)
• M8: 4,786,384 km (0.105 R)
• M9: 5,152,151 km (0.108 R)
• M10: 6,840,961 km (0.096 R)
• M11: 7,754,256 km (0.084 R)
• M12: 8,746,987 km (0.116 R)
• M13: 9,777,717 km (0.094 R)
• M14: 11,824,365 km (0.076 R)
• M15: 12,760,549 km (0.115 R)
• M16: 13,577,802 km (0.093 R)
• M17: 14,898,302 km (0.057 R)
• M18: 15,316,728 km (0.12 R)
• M19: 18,264,254 km (0.115 R)
• M20: 18,951,806 km (0.111 R)
• M21: 20,598,580 km (0.088 R)
• M22: 22,106,526 km (0.118 R)
• M23: 27,336,767 km (0.081 R)
• M24: 28,510,063 km (0.111 R)
• M25: 32,132,426 km (0.037 R)
• M26: 34,467,948 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.2

Radius: 10.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.27 AU - 6.91 AU

Year: 8813 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,389,303 km

• M1: 125,662 km (0.117 R)
• M2: 505,790 km (0.051 R)
• M3: 1,010,384 km (0.095 R)
• M4: 1,880,744 km (0.098 R)
• M5: 2,228,709 km (0.074 R)
• M6: 5,375,500 km (0.102 R)
• M7: 7,008,062 km (0.108 R)
• M8: 10,141,090 km (0.086 R)
• M9: 13,372,254 km (0.083 R)
• M10: 13,735,179 km (0.09 R)
• M11: 17,303,836 km (0.091 R)
• M12: 20,634,932 km (0.108 R)
• M13: 21,283,289 km (0.047 R)
• M14: 22,706,414 km (0.101 R)
• M15: 23,660,399 km (0.048 R)
• M16: 30,575,710 km (0.079 R)
• M17: 39,963,874 km (0.085 R)
• M18: 42,644,369 km (0.11 R)
• M19: 43,168,261 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 12.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.66 AU - 5.7 AU

Year: 9027 Days

Day: 6.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,389,303 km

• M1: 158,424 km (0.099 R)
• M2: 734,077 km (0.067 R)
• M3: 2,090,032 km (0.103 R)
• M4: 2,620,655 km (0.114 R)
• M5: 5,735,433 km (0.062 R)
• M6: 9,967,108 km (0.094 R)
• M7: 11,088,942 km (0.119 R)
• M8: 12,138,222 km (0.079 R)
• M9: 13,197,973 km (0.084 R)
• M10: 18,195,739 km (0.098 R)
• M11: 19,940,349 km (0.047 R)
• M12: 20,668,442 km (0.114 R)
• M13: 27,502,521 km (0.114 R)
• M14: 28,496,300 km (0.061 R)
• M15: 33,215,963 km (0.04 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 11,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit