🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.94 AU - 1.14 AU

Year: 685 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,484,302 km

• M1: 114,442 km (0.105 R)
• M2: 518,955 km (0.089 R)
• M3: 830,567 km (0.072 R)
• M4: 1,161,777 km (0.034 R)
• M5: 1,453,044 km (0.083 R)
• M6: 2,034,082 km (0.118 R)
• M7: 2,511,898 km (0.096 R)
• M8: 2,846,249 km (0.098 R)
• M9: 3,268,115 km (0.084 R)
• M10: 3,705,838 km (0.112 R)
• M11: 4,073,101 km (0.063 R)
• M12: 4,789,525 km (0.099 R)
• M13: 5,178,031 km (0.028 R)
• M14: 5,965,664 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 11.2

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.06 AU - 1.12 AU

Year: 735 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,484,302 km

• M1: 139,276 km (0.044 R)
• M2: 577,747 km (0.069 R)
• M3: 1,017,864 km (0.112 R)
• M4: 1,436,888 km (0.107 R)
• M5: 2,518,031 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 10.1

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.03 AU - 1.47 AU

Year: 902 Days

Day: 7.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,484,302 km

• M1: 125,662 km (0.096 R)
• M2: 548,426 km (0.102 R)
• M3: 1,019,360 km (0.118 R)
• M4: 1,487,601 km (0.081 R)
• M5: 1,803,253 km (0.098 R)
• M6: 2,244,267 km (0.117 R)
• M7: 2,562,612 km (0.049 R)
• M8: 3,059,576 km (0.104 R)
• M9: 3,662,605 km (0.054 R)
• M10: 4,231,974 km (0.099 R)
• M11: 4,722,206 km (0.091 R)
• M12: 5,453,441 km (0.088 R)
• M13: 5,935,146 km (0.075 R)
• M14: 6,320,061 km (0.088 R)
• M15: 6,764,816 km (0.118 R)
• M16: 8,054,050 km (0.077 R)
• M17: 8,526,630 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 12.3

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.16 AU - 2.16 AU

Year: 2050 Days

Day: 6.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,484,302 km

• M1: 153,039 km (0.105 R)
• M2: 559,945 km (0.059 R)
• M3: 1,005,896 km (0.114 R)
• M4: 1,405,322 km (0.071 R)
• M5: 1,868,328 km (0.117 R)
• M6: 2,728,216 km (0.107 R)
• M7: 3,494,756 km (0.054 R)
• M8: 4,628,259 km (0.117 R)
• M9: 5,131,506 km (0.107 R)
• M10: 5,526,893 km (0.065 R)
• M11: 5,942,476 km (0.075 R)
• M12: 7,699,204 km (0.116 R)
• M13: 8,567,919 km (0.041 R)
• M14: 8,959,865 km (0.099 R)
• M15: 9,814,817 km (0.064 R)
• M16: 10,280,515 km (0.051 R)
• M17: 11,727,127 km (0.105 R)
• M18: 12,334,045 km (0.092 R)
• M19: 13,435,684 km (0.118 R)
• M20: 15,640,158 km (0.114 R)
• M21: 17,289,176 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 8.5

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.55 AU - 2.69 AU

Year: 2738 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,484,302 km

• M1: 106,813 km (0.095 R)
• M2: 515,514 km (0.093 R)
• M3: 802,144 km (0.09 R)
• M4: 1,146,368 km (0.104 R)
• M5: 1,463,217 km (0.1 R)
• M6: 2,333,727 km (0.114 R)
• M7: 2,613,176 km (0.12 R)
• M8: 2,882,153 km (0.064 R)
• M9: 4,277,602 km (0.11 R)
• M10: 5,887,574 km (0.076 R)
• M11: 6,551,938 km (0.082 R)
• M12: 6,962,135 km (0.118 R)
• M13: 7,996,754 km (0.11 R)
• M14: 10,368,180 km (0.105 R)
• M15: 11,714,112 km (0.089 R)
• M16: 13,126,764 km (0.081 R)
• M17: 13,543,843 km (0.1 R)
• M18: 14,551,235 km (0.051 R)
• M19: 15,866,799 km (0.068 R)
• M20: 19,679,600 km (0.072 R)
• M21: 20,042,824 km (0.108 R)
• M22: 20,410,535 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 11.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.21 AU - 3.33 AU

Year: 2977 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,484,302 km

• M1: 139,724 km (0.088 R)
• M2: 534,364 km (0.114 R)
• M3: 1,028,485 km (0.066 R)
• M4: 1,586,635 km (0.052 R)
• M5: 2,562,013 km (0.119 R)
• M6: 3,066,607 km (0.083 R)
• M7: 4,505,888 km (0.089 R)
• M8: 5,221,115 km (0.114 R)
• M9: 5,730,496 km (0.034 R)
• M10: 6,219,831 km (0.054 R)
• M11: 7,550,953 km (0.119 R)
• M12: 8,560,289 km (0.045 R)
• M13: 9,374,700 km (0.114 R)
• M14: 9,800,904 km (0.111 R)
• M15: 10,962,083 km (0.043 R)
• M16: 11,881,362 km (0.106 R)
• M17: 13,025,038 km (0.03 R)
• M18: 13,601,289 km (0.093 R)
• M19: 14,521,017 km (0.115 R)
• M20: 15,286,060 km (0.105 R)
• M21: 16,432,877 km (0.099 R)
• M22: 17,529,280 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.8

Radius: 14.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.33 AU - 3.63 AU

Year: 4192 Days

Day: 9.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,484,302 km

• M1: 191,036 km (0.048 R)
• M2: 665,262 km (0.119 R)
• M3: 1,168,060 km (0.1 R)
• M4: 2,148,076 km (0.117 R)
• M5: 2,638,607 km (0.085 R)
• M6: 3,113,730 km (0.078 R)
• M7: 3,666,793 km (0.097 R)
• M8: 4,873,749 km (0.087 R)
• M9: 5,816,515 km (0.112 R)
• M10: 6,331,730 km (0.101 R)
• M11: 7,487,822 km (0.111 R)
• M12: 8,488,931 km (0.091 R)
• M13: 9,192,041 km (0.114 R)
• M14: 10,176,096 km (0.058 R)
• M15: 11,760,337 km (0.068 R)
• M16: 13,602,635 km (0.095 R)
• M17: 14,463,272 km (0.098 R)
• M18: 16,181,553 km (0.065 R)
• M19: 17,734,379 km (0.119 R)
• M20: 18,273,530 km (0.098 R)
• M21: 19,510,704 km (0.12 R)
• M22: 20,279,487 km (0.111 R)
• M23: 22,014,523 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 12.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.84 AU - 4.28 AU

Year: 4337 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,484,302 km

• M1: 154,385 km (0.091 R)
• M2: 626,815 km (0.05 R)
• M3: 1,665,024 km (0.078 R)
• M4: 2,398,353 km (0.084 R)
• M5: 3,072,740 km (0.106 R)
• M6: 3,556,091 km (0.032 R)
• M7: 4,318,442 km (0.082 R)
• M8: 5,004,498 km (0.066 R)
• M9: 7,471,366 km (0.063 R)
• M10: 8,684,605 km (0.092 R)
• M11: 10,401,989 km (0.095 R)
• M12: 13,014,117 km (0.109 R)
• M13: 14,234,836 km (0.058 R)
• M14: 15,641,953 km (0.113 R)
• M15: 17,199,118 km (0.063 R)
• M16: 18,169,559 km (0.115 R)
• M17: 19,562,764 km (0.041 R)
• M18: 20,890,146 km (0.104 R)
• M19: 22,704,469 km (0.073 R)
• M20: 24,925,848 km (0.092 R)
• M21: 26,405,520 km (0.04 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.8

Radius: 11.5

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.63 AU - 3.63 AU

Year: 4466 Days

Day: 11.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,484,302 km

• M1: 143,016 km (0.058 R)
• M2: 585,825 km (0.1 R)
• M3: 1,022,801 km (0.082 R)
• M4: 2,084,646 km (0.082 R)
• M5: 3,190,175 km (0.058 R)
• M6: 4,376,935 km (0.052 R)
• M7: 4,937,328 km (0.066 R)
• M8: 7,926,144 km (0.112 R)
• M9: 8,450,634 km (0.078 R)
• M10: 9,280,753 km (0.108 R)
• M11: 11,149,529 km (0.045 R)
• M12: 11,808,807 km (0.096 R)
• M13: 13,413,543 km (0.078 R)
• M14: 15,102,204 km (0.085 R)
• M15: 16,204,890 km (0.115 R)
• M16: 17,236,218 km (0.098 R)
• M17: 18,570,032 km (0.053 R)
• M18: 20,944,300 km (0.048 R)
• M19: 22,462,270 km (0.077 R)
• M20: 23,897,661 km (0.088 R)
• M21: 25,716,173 km (0.1 R)
• M22: 26,783,853 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.6

Radius: 6.2

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.32 AU - 8.34 AU

Year: 12814 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,484,302 km

• M1: 77,193 km (0.102 R)
• M2: 271,221 km (0.105 R)
• M3: 503,696 km (0.08 R)
• M4: 708,196 km (0.101 R)
• M5: 1,129,015 km (0.073 R)
• M6: 1,435,392 km (0.106 R)
• M7: 2,092,276 km (0.092 R)
• M8: 2,678,400 km (0.068 R)
• M9: 3,344,410 km (0.104 R)
• M10: 3,614,584 km (0.066 R)
• M11: 4,843,680 km (0.055 R)
• M12: 5,485,455 km (0.092 R)
• M13: 7,878,721 km (0.03 R)
• M14: 10,368,329 km (0.104 R)
• M15: 11,874,780 km (0.043 R)
• M16: 16,060,678 km (0.053 R)
• M17: 17,478,417 km (0.087 R)
• M18: 19,679,749 km (0.085 R)
• M19: 23,273,689 km (0.086 R)
• M20: 23,987,271 km (0.12 R)
• M21: 24,807,516 km (0.097 R)
• M22: 26,215,980 km (0.027 R)
• M23: 27,775,986 km (0.06 R)
• M24: 31,402,687 km (0.041 R)
• M25: 32,163,991 km (0.088 R)
• M26: 34,867,823 km (0.082 R)
• M27: 36,513,100 km (0.113 R)
• M28: 37,963,900 km (0.025 R)
• M29: 38,703,512 km (0.093 R)
• M30: 39,704,621 km (0.12 R)
• M31: 39,957,591 km (0.108 R)
• M32: 40,594,579 km (0.087 R)
• M33: 42,811,320 km (0.108 R)
• M34: 43,612,566 km (0.064 R)
• M35: 46,215,719 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 19,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit