🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.5

Radius: 11.6

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.1 AU - 1.14 AU

Year: 818 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 92.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,517,560 km

• M1: 144,212 km (0.111 R)
• M2: 667,057 km (0.068 R)
• M3: 1,136,944 km (0.116 R)
• M4: 1,731,895 km (0.116 R)
• M5: 2,384,740 km (0.066 R)
• M6: 2,853,579 km (0.037 R)
• M7: 3,508,668 km (0.108 R)
• M8: 4,745,843 km (0.043 R)
• M9: 7,084,357 km (0.117 R)
• M10: 8,362,970 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 13

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.16 AU - 1.6 AU

Year: 1119 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,517,560 km

• M1: 161,715 km (0.119 R)
• M2: 600,187 km (0.117 R)
• M3: 1,185,414 km (0.092 R)
• M4: 1,615,507 km (0.033 R)
• M5: 2,088,685 km (0.094 R)
• M6: 2,795,236 km (0.066 R)
• M7: 3,422,650 km (0.066 R)
• M8: 3,942,951 km (0.085 R)
• M9: 5,756,526 km (0.106 R)
• M10: 6,695,701 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 10.1

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.8 AU - 2.38 AU

Year: 2086 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,517,560 km

• M1: 125,662 km (0.096 R)
• M2: 992,432 km (0.118 R)
• M3: 1,350,719 km (0.093 R)
• M4: 1,910,514 km (0.119 R)
• M5: 2,589,988 km (0.076 R)
• M6: 2,922,993 km (0.112 R)
• M7: 3,512,109 km (0.082 R)
• M8: 4,019,396 km (0.119 R)
• M9: 4,748,984 km (0.109 R)
• M10: 5,251,334 km (0.117 R)
• M11: 6,719,039 km (0.085 R)
• M12: 7,472,414 km (0.107 R)
• M13: 7,838,629 km (0.105 R)
• M14: 8,345,616 km (0.036 R)
• M15: 10,406,626 km (0.102 R)
• M16: 11,176,457 km (0.065 R)
• M17: 13,714,534 km (0.108 R)
• M18: 14,172,005 km (0.049 R)
• M19: 15,311,641 km (0.103 R)
• M20: 15,704,784 km (0.113 R)
• M21: 16,256,352 km (0.092 R)
• M22: 18,097,752 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 8.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.7 AU - 2.5 AU

Year: 2101 Days

Day: 13.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,517,560 km

• M1: 106,813 km (0.116 R)
• M2: 602,131 km (0.076 R)
• M3: 954,135 km (0.11 R)
• M4: 1,411,007 km (0.055 R)
• M5: 1,957,937 km (0.077 R)
• M6: 2,248,306 km (0.12 R)
• M7: 2,531,944 km (0.076 R)
• M8: 3,171,924 km (0.118 R)
• M9: 3,605,159 km (0.097 R)
• M10: 4,380,375 km (0.073 R)
• M11: 4,937,179 km (0.037 R)
• M12: 5,301,449 km (0.059 R)
• M13: 6,823,608 km (0.03 R)
• M14: 7,154,967 km (0.083 R)
• M15: 7,850,298 km (0.077 R)
• M16: 8,508,528 km (0.117 R)
• M17: 10,207,512 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.8

Radius: 13.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.38 AU - 2.54 AU

Year: 2663 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,517,560 km

• M1: 171,738 km (0.075 R)
• M2: 651,798 km (0.071 R)
• M3: 1,316,910 km (0.044 R)
• M4: 1,757,177 km (0.089 R)
• M5: 2,715,201 km (0.103 R)
• M6: 3,618,174 km (0.078 R)
• M7: 5,711,348 km (0.116 R)
• M8: 6,914,713 km (0.096 R)
• M9: 7,674,670 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.3

Radius: 11.5

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.07 AU - 2.85 AU

Year: 2663 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 68.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,517,560 km

• M1: 143,016 km (0.101 R)
• M2: 512,672 km (0.097 R)
• M3: 1,480,421 km (0.112 R)
• M4: 2,150,769 km (0.105 R)
• M5: 2,687,825 km (0.099 R)
• M6: 3,516,896 km (0.118 R)
• M7: 3,950,431 km (0.092 R)
• M8: 6,306,149 km (0.088 R)
• M9: 6,681,041 km (0.104 R)
• M10: 7,830,551 km (0.076 R)
• M11: 8,366,710 km (0.11 R)
• M12: 9,107,369 km (0.087 R)
• M13: 11,551,200 km (0.107 R)
• M14: 12,786,579 km (0.096 R)
• M15: 13,201,862 km (0.051 R)
• M16: 15,466,924 km (0.087 R)
• M17: 19,212,855 km (0.068 R)
• M18: 20,313,895 km (0.111 R)
• M19: 20,816,544 km (0.085 R)
• M20: 21,781,450 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 8.3

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.66 AU - 4.04 AU

Year: 4232 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,517,560 km

• M1: 105,018 km (0.104 R)
• M2: 695,032 km (0.101 R)
• M3: 1,479,673 km (0.097 R)
• M4: 1,832,424 km (0.113 R)
• M5: 3,542,328 km (0.089 R)
• M6: 4,063,826 km (0.055 R)
• M7: 4,967,248 km (0.116 R)
• M8: 6,423,583 km (0.091 R)
• M9: 9,819,006 km (0.044 R)
• M10: 10,496,535 km (0.104 R)
• M11: 11,159,702 km (0.115 R)
• M12: 12,766,233 km (0.095 R)
• M13: 14,041,855 km (0.112 R)
• M14: 14,629,176 km (0.116 R)
• M15: 15,512,701 km (0.09 R)
• M16: 22,573,421 km (0.047 R)
• M17: 24,280,183 km (0.052 R)
• M18: 25,674,735 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 15

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.03 AU - 4.29 AU

Year: 5857 Days

Day: 5.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,517,560 km

• M1: 186,549 km (0.104 R)
• M2: 1,852,919 km (0.098 R)
• M3: 2,594,326 km (0.117 R)
• M4: 3,270,509 km (0.097 R)
• M5: 6,128,576 km (0.043 R)
• M6: 7,300,077 km (0.092 R)
• M7: 11,665,941 km (0.11 R)
• M8: 16,238,699 km (0.107 R)
• M9: 19,806,459 km (0.086 R)
• M10: 21,811,669 km (0.11 R)
• M11: 22,430,854 km (0.09 R)
• M12: 23,221,479 km (0.049 R)
• M13: 25,279,497 km (0.098 R)
• M14: 30,422,223 km (0.074 R)
• M15: 30,904,227 km (0.067 R)
• M16: 31,784,611 km (0.113 R)
• M17: 34,110,558 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.4

Radius: 7.4

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.14 AU - 10.28 AU

Year: 19293 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,517,560 km

• M1: 98,286 km (0.115 R)
• M2: 387,159 km (0.067 R)
• M3: 672,742 km (0.062 R)
• M4: 1,151,006 km (0.118 R)
• M5: 1,443,470 km (0.109 R)
• M6: 2,772,797 km (0.104 R)
• M7: 3,782,433 km (0.105 R)
• M8: 4,876,891 km (0.095 R)
• M9: 6,503,169 km (0.117 R)
• M10: 7,208,373 km (0.098 R)
• M11: 9,033,168 km (0.041 R)
• M12: 13,359,389 km (0.102 R)
• M13: 13,707,952 km (0.112 R)
• M14: 15,238,338 km (0.112 R)
• M15: 17,700,869 km (0.113 R)
• M16: 24,007,167 km (0.035 R)
• M17: 24,626,502 km (0.114 R)
• M18: 26,113,056 km (0.106 R)
• M19: 27,099,804 km (0.089 R)
• M20: 27,771,199 km (0.118 R)
• M21: 28,339,073 km (0.117 R)
• M22: 32,283,520 km (0.118 R)
• M23: 34,062,238 km (0.095 R)
• M24: 38,933,893 km (0.081 R)
• M25: 40,510,355 km (0.073 R)
• M26: 43,943,178 km (0.106 R)
• M27: 44,404,837 km (0.064 R)
• M28: 53,625,750 km (0.045 R)
• M29: 57,940,003 km (0.071 R)
• M30: 60,370,819 km (0.074 R)
• M31: 65,635,019 km (0.03 R)
• M32: 67,251,573 km (0.047 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 10,683 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit