🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 10.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.75 AU - 1.15 AU

Year: 651 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,721,304 km

• M1: 130,599 km (0.113 R)
• M2: 769,980 km (0.082 R)
• M3: 1,186,910 km (0.1 R)
• M4: 1,535,173 km (0.11 R)
• M5: 2,021,965 km (0.085 R)
• M6: 2,760,230 km (0.098 R)
• M7: 3,358,622 km (0.115 R)
• M8: 3,817,887 km (0.104 R)
• M9: 4,171,237 km (0.099 R)
• M10: 4,515,761 km (0.116 R)
• M11: 4,977,271 km (0.117 R)
• M12: 5,505,202 km (0.069 R)
• M13: 6,474,596 km (0.118 R)
• M14: 7,083,609 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 12.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.85 AU - 1.35 AU

Year: 811 Days

Day: 9.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,721,304 km

• M1: 154,385 km (0.11 R)
• M2: 560,992 km (0.037 R)
• M3: 951,442 km (0.106 R)
• M4: 1,346,231 km (0.09 R)
• M5: 1,810,284 km (0.087 R)
• M6: 3,008,413 km (0.078 R)
• M7: 4,223,896 km (0.117 R)
• M8: 4,865,372 km (0.056 R)
• M9: 5,533,176 km (0.082 R)
• M10: 6,447,818 km (0.105 R)
• M11: 6,919,650 km (0.118 R)
• M12: 7,741,690 km (0.045 R)
• M13: 8,525,882 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 8.9

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.15 AU - 1.17 AU

Year: 878 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,721,304 km

• M1: 110,702 km (0.058 R)
• M2: 412,890 km (0.114 R)
• M3: 734,226 km (0.088 R)
• M4: 1,039,556 km (0.055 R)
• M5: 1,439,132 km (0.107 R)
• M6: 1,910,814 km (0.085 R)
• M7: 2,230,654 km (0.09 R)
• M8: 2,992,855 km (0.111 R)
• M9: 3,384,801 km (0.058 R)
• M10: 4,125,012 km (0.087 R)
• M11: 5,192,392 km (0.088 R)
• M12: 6,196,643 km (0.079 R)
• M13: 6,858,464 km (0.025 R)
• M14: 8,218,907 km (0.087 R)
• M15: 8,638,679 km (0.05 R)
• M16: 9,664,322 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 12.8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.11 AU - 1.31 AU

Year: 936 Days

Day: 10.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,721,304 km

• M1: 159,172 km (0.09 R)
• M2: 872,156 km (0.099 R)
• M3: 1,355,806 km (0.104 R)
• M4: 2,201,781 km (0.039 R)
• M5: 2,612,278 km (0.114 R)
• M6: 3,431,326 km (0.11 R)
• M7: 3,909,441 km (0.055 R)
• M8: 5,019,607 km (0.101 R)
• M9: 5,420,230 km (0.084 R)
• M10: 6,594,723 km (0.054 R)
• M11: 7,194,760 km (0.113 R)
• M12: 7,631,436 km (0.071 R)
• M13: 8,828,369 km (0.062 R)
• M14: 9,558,107 km (0.114 R)
• M15: 10,206,913 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.4

Radius: 9.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.59 AU - 1.75 AU

Year: 1517 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,721,304 km

• M1: 124,914 km (0.119 R)
• M2: 618,288 km (0.097 R)
• M3: 963,261 km (0.118 R)
• M4: 1,316,461 km (0.076 R)
• M5: 2,560,517 km (0.112 R)
• M6: 3,005,272 km (0.108 R)
• M7: 3,808,612 km (0.089 R)
• M8: 4,184,552 km (0.077 R)
• M9: 4,973,232 km (0.099 R)
• M10: 5,794,524 km (0.074 R)
• M11: 6,138,599 km (0.103 R)
• M12: 6,703,481 km (0.115 R)
• M13: 7,451,919 km (0.053 R)
• M14: 8,308,666 km (0.093 R)
• M15: 9,345,977 km (0.089 R)
• M16: 10,279,618 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 11.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.66 AU - 1.92 AU

Year: 1683 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,721,304 km

• M1: 144,362 km (0.07 R)
• M2: 689,646 km (0.109 R)
• M3: 1,061,846 km (0.108 R)
• M4: 1,508,695 km (0.101 R)
• M5: 1,957,787 km (0.066 R)
• M6: 2,470,010 km (0.027 R)
• M7: 4,785,636 km (0.065 R)
• M8: 6,148,772 km (0.119 R)
• M9: 7,119,662 km (0.051 R)
• M10: 8,278,896 km (0.092 R)
• M11: 9,625,576 km (0.103 R)
• M12: 11,004,719 km (0.1 R)
• M13: 11,893,031 km (0.054 R)
• M14: 12,748,880 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 8

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.42 AU - 2.72 AU

Year: 2896 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,721,304 km

• M1: 160,219 km (0.068 R)
• M2: 773,122 km (0.1 R)
• M3: 1,237,174 km (0.117 R)
• M4: 1,818,961 km (0.072 R)
• M5: 2,556,777 km (0.088 R)
• M6: 3,117,021 km (0.094 R)
• M7: 3,949,085 km (0.103 R)
• M8: 4,588,316 km (0.093 R)
• M9: 5,586,882 km (0.066 R)
• M10: 5,838,506 km (0.084 R)
• M11: 7,572,495 km (0.052 R)
• M12: 7,975,511 km (0.086 R)
• M13: 8,757,160 km (0.04 R)
• M14: 12,786,130 km (0.106 R)
• M15: 13,402,772 km (0.109 R)
• M16: 13,855,156 km (0.086 R)
• M17: 15,967,927 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 9.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.47 AU - 3.41 AU

Year: 3543 Days

Day: 14.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,721,304 km

• M1: 119,379 km (0.084 R)
• M2: 447,447 km (0.111 R)
• M3: 784,491 km (0.107 R)
• M4: 1,467,106 km (0.043 R)
• M5: 2,505,465 km (0.047 R)
• M6: 2,997,642 km (0.105 R)
• M7: 3,516,747 km (0.096 R)
• M8: 4,449,489 km (0.105 R)
• M9: 4,847,569 km (0.069 R)
• M10: 5,390,909 km (0.105 R)
• M11: 6,855,173 km (0.07 R)
• M12: 7,478,846 km (0.077 R)
• M13: 8,534,858 km (0.052 R)
• M14: 11,019,678 km (0.116 R)
• M15: 12,731,228 km (0.104 R)
• M16: 17,204,204 km (0.117 R)

Asteroid Belt

Center: 4.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.7

Radius: 7.3

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.1 AU - 8.06 AU

Year: 11864 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,721,304 km

• M1: 90,806 km (0.032 R)
• M2: 326,273 km (0.089 R)
• M3: 656,735 km (0.107 R)
• M4: 1,086,978 km (0.114 R)
• M5: 1,346,231 km (0.088 R)
• M6: 1,709,305 km (0.068 R)
• M7: 2,063,403 km (0.098 R)
• M8: 2,365,442 km (0.111 R)
• M9: 5,104,878 km (0.1 R)
• M10: 6,178,542 km (0.06 R)
• M11: 9,509,189 km (0.09 R)
• M12: 10,457,340 km (0.119 R)
• M13: 16,676,273 km (0.032 R)
• M14: 17,050,866 km (0.107 R)
• M15: 17,816,957 km (0.059 R)
• M16: 24,502,785 km (0.082 R)
• M17: 24,792,556 km (0.087 R)
• M18: 25,576,748 km (0.104 R)
• M19: 30,632,258 km (0.114 R)
• M20: 32,223,381 km (0.095 R)
• M21: 33,157,022 km (0.086 R)
• M22: 33,630,499 km (0.091 R)
• M23: 38,877,943 km (0.12 R)
• M24: 41,284,674 km (0.08 R)
• M25: 53,674,968 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.2

Radius: 5

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.07 AU - 7.57 AU

Year: 12519 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,721,304 km

• M1: 62,532 km (0.093 R)
• M2: 232,774 km (0.063 R)
• M3: 499,806 km (0.087 R)
• M4: 986,448 km (0.078 R)
• M5: 1,175,839 km (0.038 R)
• M6: 1,364,333 km (0.086 R)
• M7: 1,656,647 km (0.115 R)
• M8: 2,104,692 km (0.116 R)
• M9: 2,276,730 km (0.115 R)
• M10: 4,170,190 km (0.101 R)
• M11: 4,611,953 km (0.093 R)
• M12: 4,963,358 km (0.074 R)
• M13: 5,332,267 km (0.106 R)
• M14: 8,749,231 km (0.114 R)
• M15: 9,518,015 km (0.101 R)
• M16: 10,429,365 km (0.086 R)
• M17: 11,715,308 km (0.116 R)
• M18: 16,536,100 km (0.104 R)
• M19: 19,984,032 km (0.112 R)
• M20: 21,391,598 km (0.094 R)
• M21: 23,369,431 km (0.101 R)
• M22: 24,665,697 km (0.063 R)
• M23: 26,559,756 km (0.119 R)
• M24: 34,005,242 km (0.113 R)
• M25: 35,442,428 km (0.102 R)
• M26: 36,346,598 km (0.044 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 12,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit