🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.4

Radius: 12.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.66 AU - 0.68 AU

Year: 366 Days

Day: 6.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,170,026 km

• M1: 157,975 km (0.063 R)
• M2: 594,352 km (0.081 R)
• M3: 1,068,578 km (0.077 R)
• M4: 1,554,771 km (0.114 R)
• M5: 1,972,747 km (0.101 R)
• M6: 2,466,869 km (0.109 R)
• M7: 2,878,562 km (0.108 R)
• M8: 3,806,069 km (0.11 R)
• M9: 4,253,067 km (0.093 R)
• M10: 4,664,162 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.3

Radius: 14.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.71 AU - 1.15 AU

Year: 598 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,170,026 km

• M1: 179,517 km (0.059 R)
• M2: 642,972 km (0.05 R)
• M3: 1,159,533 km (0.081 R)
• M4: 1,741,020 km (0.096 R)
• M5: 2,222,576 km (0.044 R)
• M6: 2,891,278 km (0.061 R)
• M7: 3,717,956 km (0.084 R)
• M8: 4,180,812 km (0.095 R)
• M9: 4,636,487 km (0.083 R)
• M10: 5,666,468 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 14

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.74 AU - 1.12 AU

Year: 598 Days

Day: 6.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,170,026 km

• M1: 174,132 km (0.113 R)
• M2: 858,841 km (0.065 R)
• M3: 1,312,572 km (0.088 R)
• M4: 2,020,469 km (0.071 R)
• M5: 2,526,858 km (0.064 R)
• M6: 3,292,948 km (0.118 R)
• M7: 3,815,494 km (0.117 R)
• M8: 4,393,390 km (0.056 R)
• M9: 4,944,509 km (0.117 R)
• M10: 5,614,857 km (0.09 R)
• M11: 6,108,081 km (0.1 R)
• M12: 6,547,899 km (0.067 R)
• M13: 7,380,261 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 11.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.03 AU - 1.19 AU

Year: 780 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,170,026 km

• M1: 149,897 km (0.119 R)
• M2: 521,349 km (0.084 R)
• M3: 971,339 km (0.071 R)
• M4: 1,627,326 km (0.079 R)
• M5: 2,361,552 km (0.101 R)
• M6: 3,012,752 km (0.1 R)
• M7: 3,631,937 km (0.07 R)
• M8: 7,040,076 km (0.114 R)
• M9: 8,082,025 km (0.116 R)
• M10: 9,646,968 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.5

Radius: 8.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.02 AU - 1.34 AU

Year: 855 Days

Day: 14.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,170,026 km

• M1: 107,411 km (0.111 R)
• M2: 398,379 km (0.089 R)
• M3: 680,072 km (0.101 R)
• M4: 1,285,195 km (0.056 R)
• M5: 1,581,249 km (0.107 R)
• M6: 1,893,011 km (0.091 R)
• M7: 3,074,236 km (0.107 R)
• M8: 3,482,938 km (0.12 R)
• M9: 3,791,558 km (0.103 R)
• M10: 4,800,296 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.3

Radius: 10.8

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.19 AU - 1.32 AU

Year: 932 Days

Day: 11.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,170,026 km

• M1: 134,339 km (0.075 R)
• M2: 574,755 km (0.107 R)
• M3: 1,431,502 km (0.07 R)
• M4: 1,921,136 km (0.065 R)
• M5: 2,307,996 km (0.103 R)
• M6: 2,746,916 km (0.053 R)
• M7: 3,241,337 km (0.119 R)
• M8: 3,583,617 km (0.119 R)
• M9: 4,013,561 km (0.083 R)
• M10: 5,554,868 km (0.106 R)
• M11: 5,921,981 km (0.102 R)
• M12: 6,592,479 km (0.059 R)
• M13: 7,458,202 km (0.081 R)
• M14: 7,855,384 km (0.093 R)
• M15: 8,477,711 km (0.098 R)
• M16: 9,938,684 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 10.4

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.04 AU - 1.62 AU

Year: 1023 Days

Day: 5 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,170,026 km

• M1: 130,449 km (0.099 R)
• M2: 482,304 km (0.057 R)
• M3: 845,378 km (0.107 R)
• M4: 1,176,288 km (0.113 R)
• M5: 1,823,448 km (0.036 R)
• M6: 2,168,720 km (0.076 R)
• M7: 2,497,985 km (0.091 R)
• M8: 2,860,760 km (0.113 R)
• M9: 3,804,723 km (0.076 R)
• M10: 4,150,593 km (0.082 R)
• M11: 4,718,317 km (0.112 R)
• M12: 5,157,835 km (0.059 R)
• M13: 5,562,049 km (0.043 R)
• M14: 6,009,197 km (0.069 R)
• M15: 6,784,263 km (0.092 R)
• M16: 7,270,307 km (0.087 R)
• M17: 8,312,555 km (0.108 R)
• M18: 9,751,986 km (0.081 R)
• M19: 11,017,883 km (0.086 R)

Asteroid Belt

Center: 2.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.6

Radius: 8.2

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.34 AU - 3.82 AU

Year: 3605 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,170,026 km

• M1: 102,026 km (0.1 R)
• M2: 374,294 km (0.116 R)
• M3: 679,025 km (0.089 R)
• M4: 1,521,710 km (0.112 R)
• M5: 1,796,970 km (0.067 R)
• M6: 2,660,598 km (0.079 R)
• M7: 3,629,992 km (0.114 R)
• M8: 4,218,062 km (0.098 R)
• M9: 5,779,714 km (0.114 R)
• M10: 8,186,145 km (0.092 R)
• M11: 8,550,715 km (0.033 R)
• M12: 9,351,812 km (0.064 R)
• M13: 10,243,714 km (0.096 R)
• M14: 11,962,594 km (0.088 R)
• M15: 17,232,777 km (0.1 R)
• M16: 22,004,201 km (0.067 R)
• M17: 22,425,918 km (0.107 R)
• M18: 24,315,488 km (0.043 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 9.1

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.66 AU - 3.54 AU

Year: 3640 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,170,026 km

• M1: 118,182 km (0.094 R)
• M2: 589,416 km (0.085 R)
• M3: 887,415 km (0.073 R)
• M4: 1,377,348 km (0.114 R)
• M5: 1,948,363 km (0.092 R)
• M6: 2,605,995 km (0.047 R)
• M7: 3,442,546 km (0.038 R)
• M8: 4,028,820 km (0.072 R)
• M9: 4,847,569 km (0.104 R)
• M10: 5,910,462 km (0.109 R)
• M11: 6,364,941 km (0.114 R)
• M12: 7,184,737 km (0.11 R)
• M13: 9,521,605 km (0.081 R)
• M14: 10,307,443 km (0.082 R)
• M15: 11,653,824 km (0.115 R)
• M16: 11,963,192 km (0.052 R)
• M17: 12,691,435 km (0.113 R)
• M18: 13,019,054 km (0.078 R)
• M19: 14,085,986 km (0.115 R)
• M20: 14,538,819 km (0.098 R)
• M21: 14,949,465 km (0.114 R)
• M22: 15,901,805 km (0.098 R)
• M23: 16,558,839 km (0.12 R)
• M24: 18,339,951 km (0.062 R)
• M25: 19,616,769 km (0.096 R)
• M26: 20,181,800 km (0.074 R)
• M27: 21,017,005 km (0.107 R)
• M28: 21,542,243 km (0.108 R)
• M29: 22,962,974 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.9

Radius: 6.8

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.6 AU - 10.1 AU

Year: 16090 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,170,026 km

• M1: 84,672 km (0.095 R)
• M2: 417,677 km (0.074 R)
• M3: 887,564 km (0.116 R)
• M4: 1,319,154 km (0.116 R)
• M5: 2,005,808 km (0.077 R)
• M6: 2,268,353 km (0.049 R)
• M7: 2,596,421 km (0.073 R)
• M8: 3,425,193 km (0.061 R)
• M9: 3,746,529 km (0.105 R)
• M10: 4,146,703 km (0.102 R)
• M11: 4,606,717 km (0.07 R)
• M12: 5,448,504 km (0.081 R)
• M13: 5,664,972 km (0.115 R)
• M14: 7,744,383 km (0.118 R)
• M15: 9,230,937 km (0.12 R)
• M16: 9,539,258 km (0.097 R)
• M17: 10,068,236 km (0.096 R)
• M18: 11,833,042 km (0.086 R)
• M19: 12,197,014 km (0.108 R)
• M20: 16,332,647 km (0.075 R)
• M21: 17,632,802 km (0.1 R)
• M22: 21,494,970 km (0.088 R)
• M23: 21,946,008 km (0.107 R)
• M24: 24,983,592 km (0.117 R)
• M25: 26,089,270 km (0.065 R)
• M26: 29,380,423 km (0.09 R)
• M27: 30,953,595 km (0.059 R)
• M28: 38,070,863 km (0.091 R)
• M29: 39,130,913 km (0.044 R)
• M30: 45,610,596 km (0.088 R)
• M31: 46,655,387 km (0.087 R)
• M32: 47,108,070 km (0.09 R)
• M33: 51,314,463 km (0.077 R)
• M34: 52,444,526 km (0.078 R)
• M35: 52,770,350 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 16,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit