🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 9

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.57 AU - 0.69 AU

Year: 345 Days

Day: 7.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,618,833 km

• M1: 115,938 km (0.035 R)
• M2: 397,033 km (0.083 R)
• M3: 1,172,548 km (0.109 R)
• M4: 1,839,007 km (0.076 R)
• M5: 2,690,069 km (0.044 R)
• M6: 3,043,419 km (0.049 R)
• M7: 4,058,590 km (0.1 R)
• M8: 4,525,186 km (0.08 R)
• M9: 4,894,842 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.4

Radius: 11.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.69 AU - 0.77 AU

Year: 431 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,618,833 km

• M1: 138,079 km (0.05 R)
• M2: 641,775 km (0.051 R)
• M3: 1,001,857 km (0.044 R)
• M4: 1,355,357 km (0.068 R)
• M5: 1,942,977 km (0.092 R)
• M6: 2,714,154 km (0.087 R)
• M7: 3,090,243 km (0.095 R)
• M8: 3,999,649 km (0.043 R)
• M9: 4,434,679 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.1

Radius: 13.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.82 AU - 1.06 AU

Year: 629 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,618,833 km

• M1: 164,707 km (0.065 R)
• M2: 665,112 km (0.083 R)
• M3: 1,178,382 km (0.078 R)
• M4: 1,747,303 km (0.047 R)
• M5: 2,300,666 km (0.082 R)
• M6: 2,846,249 km (0.118 R)
• M7: 4,085,518 km (0.108 R)
• M8: 4,731,930 km (0.076 R)
• M9: 5,307,882 km (0.111 R)
• M10: 5,967,160 km (0.057 R)
• M11: 6,501,823 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.5

Radius: 10.7

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.9 AU - 1.12 AU

Year: 701 Days

Day: 8.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,618,833 km

• M1: 133,142 km (0.105 R)
• M2: 466,745 km (0.064 R)
• M3: 847,622 km (0.05 R)
• M4: 1,246,150 km (0.05 R)
• M5: 1,712,746 km (0.092 R)
• M6: 2,512,496 km (0.119 R)
• M7: 3,970,178 km (0.12 R)
• M8: 4,303,632 km (0.054 R)
• M9: 5,167,410 km (0.061 R)
• M10: 5,754,132 km (0.06 R)
• M11: 6,323,652 km (0.112 R)
• M12: 6,995,496 km (0.103 R)
• M13: 7,924,798 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 12.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.2 AU - 1.5 AU

Year: 1083 Days

Day: 8.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,618,833 km

• M1: 153,039 km (0.091 R)
• M2: 560,094 km (0.071 R)
• M3: 1,000,361 km (0.092 R)
• M4: 1,466,957 km (0.051 R)
• M5: 1,930,710 km (0.093 R)
• M6: 3,247,022 km (0.078 R)
• M7: 3,658,566 km (0.115 R)
• M8: 4,192,630 km (0.085 R)
• M9: 4,810,768 km (0.109 R)
• M10: 6,644,988 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 10.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.97 AU - 2.37 AU

Year: 2206 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,618,833 km

• M1: 126,859 km (0.082 R)
• M2: 686,056 km (0.106 R)
• M3: 1,035,068 km (0.08 R)
• M4: 1,807,591 km (0.118 R)
• M5: 2,339,262 km (0.063 R)
• M6: 2,972,659 km (0.101 R)
• M7: 3,338,725 km (0.097 R)
• M8: 3,698,957 km (0.076 R)
• M9: 4,239,604 km (0.086 R)
• M10: 4,768,283 km (0.102 R)
• M11: 5,958,034 km (0.112 R)
• M12: 6,648,877 km (0.073 R)
• M13: 7,710,573 km (0.092 R)
• M14: 8,343,971 km (0.116 R)
• M15: 10,026,797 km (0.104 R)
• M16: 10,966,721 km (0.103 R)
• M17: 11,846,207 km (0.057 R)
• M18: 12,202,848 km (0.12 R)
• M19: 15,227,418 km (0.116 R)
• M20: 15,887,294 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.7

Radius: 12.5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.33 AU - 5.49 AU

Year: 8686 Days

Day: 13.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,618,833 km

• M1: 155,432 km (0.111 R)
• M2: 587,770 km (0.091 R)
• M3: 1,398,441 km (0.046 R)
• M4: 2,078,513 km (0.048 R)
• M5: 2,488,261 km (0.076 R)
• M6: 3,132,131 km (0.109 R)
• M7: 3,970,627 km (0.119 R)
• M8: 4,537,453 km (0.111 R)
• M9: 5,890,865 km (0.118 R)
• M10: 6,848,291 km (0.072 R)
• M11: 11,921,305 km (0.079 R)
• M12: 12,910,446 km (0.077 R)
• M13: 13,649,908 km (0.037 R)
• M14: 15,051,939 km (0.075 R)
• M15: 15,594,830 km (0.091 R)
• M16: 18,019,512 km (0.063 R)
• M17: 19,005,961 km (0.026 R)
• M18: 20,619,075 km (0.085 R)
• M19: 21,629,608 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.5

Radius: 4.1

Gravity: 15.32 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.58 AU - 7.04 AU

Year: 9667 Days

Day: 23.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,618,833 km

• M1: 57,296 km (0.081 R)
• M2: 461,809 km (0.113 R)
• M3: 745,596 km (0.037 R)
• M4: 1,253,630 km (0.106 R)
• M5: 1,789,340 km (0.119 R)
• M6: 2,927,630 km (0.069 R)
• M7: 3,468,277 km (0.104 R)
• M8: 3,856,035 km (0.094 R)
• M9: 4,171,686 km (0.084 R)
• M10: 4,610,008 km (0.107 R)
• M11: 5,577,906 km (0.108 R)
• M12: 9,112,605 km (0.085 R)
• M13: 11,633,927 km (0.106 R)
• M14: 15,169,523 km (0.073 R)
• M15: 16,199,953 km (0.114 R)
• M16: 20,570,904 km (0.081 R)
• M17: 29,741,702 km (0.081 R)
• M18: 30,586,332 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.2

Radius: 5.3

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.12 AU - 8.12 AU

Year: 14519 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,618,833 km

• M1: 68,516 km (0.109 R)
• M2: 433,535 km (0.091 R)
• M3: 627,862 km (0.075 R)
• M4: 813,812 km (0.068 R)
• M5: 1,187,508 km (0.103 R)
• M6: 1,637,947 km (0.072 R)
• M7: 2,426,777 km (0.112 R)
• M8: 2,871,082 km (0.111 R)
• M9: 3,494,157 km (0.1 R)
• M10: 3,702,846 km (0.109 R)
• M11: 4,232,273 km (0.114 R)
• M12: 5,371,611 km (0.087 R)
• M13: 6,198,588 km (0.116 R)
• M14: 6,389,026 km (0.066 R)
• M15: 7,148,534 km (0.063 R)
• M16: 7,614,980 km (0.088 R)
• M17: 11,693,766 km (0.091 R)
• M18: 12,043,676 km (0.089 R)
• M19: 13,834,512 km (0.109 R)
• M20: 17,101,580 km (0.112 R)
• M21: 17,401,374 km (0.103 R)
• M22: 27,799,623 km (0.09 R)
• M23: 29,913,141 km (0.114 R)
• M24: 30,130,208 km (0.102 R)
• M25: 32,359,067 km (0.118 R)
• M26: 33,983,101 km (0.09 R)
• M27: 35,782,464 km (0.049 R)
• M28: 36,643,550 km (0.12 R)
• M29: 37,644,509 km (0.093 R)
• M30: 37,897,629 km (0.108 R)
• M31: 39,831,779 km (0.09 R)
• M32: 40,358,514 km (0.072 R)
• M33: 40,623,601 km (0.065 R)
• M34: 41,291,406 km (0.119 R)
• M35: 45,309,605 km (0.076 R)
• M36: 47,339,349 km (0.119 R)
• M37: 48,078,811 km (0.068 R)
• M38: 51,735,432 km (0.109 R)
• M39: 52,519,923 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.6

Radius: 7.9

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.07 AU - 10.87 AU

Year: 23385 Days

Day: 17.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,618,833 km

• M1: 98,286 km (0.058 R)
• M2: 427,850 km (0.113 R)
• M3: 705,354 km (0.089 R)
• M4: 953,686 km (0.086 R)
• M5: 1,232,387 km (0.091 R)
• M6: 1,821,354 km (0.086 R)
• M7: 2,417,352 km (0.095 R)
• M8: 2,684,683 km (0.12 R)
• M9: 2,944,834 km (0.051 R)
• M10: 3,193,466 km (0.082 R)
• M11: 3,861,121 km (0.048 R)
• M12: 4,125,909 km (0.093 R)
• M13: 4,655,187 km (0.079 R)
• M14: 5,471,243 km (0.092 R)
• M15: 5,892,062 km (0.112 R)
• M16: 8,272,762 km (0.093 R)
• M17: 8,602,626 km (0.037 R)
• M18: 10,010,790 km (0.093 R)
• M19: 12,330,754 km (0.078 R)
• M20: 13,806,088 km (0.091 R)
• M21: 14,349,129 km (0.118 R)
• M22: 15,979,446 km (0.051 R)
• M23: 17,191,638 km (0.11 R)
• M24: 18,094,311 km (0.112 R)
• M25: 20,092,041 km (0.085 R)
• M26: 24,746,330 km (0.112 R)
• M27: 27,201,680 km (0.09 R)
• M28: 31,647,130 km (0.06 R)
• M29: 32,863,810 km (0.103 R)
• M30: 34,534,220 km (0.098 R)
• M31: 35,968,863 km (0.078 R)
• M32: 39,728,707 km (0.097 R)
• M33: 45,081,767 km (0.095 R)
• M34: 52,752,398 km (0.098 R)
• M35: 79,398,621 km (0.086 R)
• M36: 85,470,200 km (0.075 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 10,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit