🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.6

Radius: 11.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.55 AU - 0.73 AU

Year: 353 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,858,994 km

• M1: 141,819 km (0.03 R)
• M2: 525,238 km (0.115 R)
• M3: 953,238 km (0.116 R)
• M4: 2,128,628 km (0.12 R)
• M5: 3,175,514 km (0.064 R)
• M6: 4,109,902 km (0.088 R)
• M7: 4,468,488 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.2

Radius: 10.1

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.72 AU - 0.98 AU

Year: 541 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,858,994 km

• M1: 125,662 km (0.086 R)
• M2: 602,281 km (0.1 R)
• M3: 1,010,384 km (0.039 R)
• M4: 1,440,627 km (0.062 R)
• M5: 1,777,671 km (0.089 R)
• M6: 2,384,291 km (0.063 R)
• M7: 2,839,517 km (0.055 R)
• M8: 3,303,271 km (0.106 R)
• M9: 3,657,369 km (0.118 R)
• M10: 4,022,986 km (0.1 R)
• M11: 4,398,028 km (0.088 R)
• M12: 4,827,972 km (0.072 R)
• M13: 5,953,546 km (0.032 R)
• M14: 6,327,092 km (0.09 R)
• M15: 6,696,300 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 13.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.93 AU - 1.23 AU

Year: 775 Days

Day: 12.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,858,994 km

• M1: 162,912 km (0.096 R)
• M2: 616,194 km (0.048 R)
• M3: 1,040,902 km (0.082 R)
• M4: 1,525,599 km (0.104 R)
• M5: 2,082,103 km (0.046 R)
• M6: 2,808,999 km (0.049 R)
• M7: 3,397,517 km (0.115 R)
• M8: 4,099,131 km (0.101 R)
• M9: 5,456,134 km (0.085 R)
• M10: 6,377,507 km (0.101 R)
• M11: 6,864,448 km (0.077 R)
• M12: 7,376,222 km (0.077 R)
• M13: 7,888,296 km (0.112 R)
• M14: 8,687,747 km (0.09 R)
• M15: 9,597,451 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905

Radius: 11.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.98 AU - 1.42 AU

Year: 907 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,858,994 km

• M1: 141,819 km (0.114 R)
• M2: 694,284 km (0.097 R)
• M3: 1,307,934 km (0.079 R)
• M4: 2,888,735 km (0.094 R)
• M5: 3,350,095 km (0.099 R)
• M6: 4,085,518 km (0.049 R)
• M7: 4,669,398 km (0.065 R)
• M8: 6,352,524 km (0.111 R)
• M9: 6,900,202 km (0.09 R)
• M10: 7,831,748 km (0.095 R)
• M11: 9,794,322 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 12.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.17 AU - 1.79 AU

Year: 1243 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,858,994 km

• M1: 157,078 km (0.077 R)
• M2: 579,243 km (0.115 R)
• M3: 1,600,697 km (0.071 R)
• M4: 2,456,547 km (0.106 R)
• M5: 5,656,445 km (0.075 R)
• M6: 6,275,331 km (0.065 R)
• M7: 7,368,742 km (0.036 R)
• M8: 8,610,554 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.2

Radius: 9

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.34 AU - 1.72 AU

Year: 1306 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,858,994 km

• M1: 112,348 km (0.096 R)
• M2: 505,940 km (0.117 R)
• M3: 833,260 km (0.054 R)
• M4: 1,166,415 km (0.11 R)
• M5: 1,626,129 km (0.097 R)
• M6: 2,273,738 km (0.088 R)
• M7: 2,771,899 km (0.111 R)
• M8: 3,264,076 km (0.077 R)
• M9: 3,547,564 km (0.066 R)
• M10: 4,329,662 km (0.078 R)
• M11: 5,034,567 km (0.109 R)
• M12: 5,678,735 km (0.074 R)
• M13: 6,847,543 km (0.114 R)
• M14: 7,693,071 km (0.088 R)
• M15: 8,027,422 km (0.088 R)
• M16: 8,966,896 km (0.076 R)
• M17: 10,142,586 km (0.089 R)
• M18: 10,681,737 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 12.3

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.75 AU - 4.91 AU

Year: 6219 Days

Day: 5.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 119.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,858,994 km

• M1: 153,637 km (0.12 R)
• M2: 540,198 km (0.097 R)
• M3: 1,247,197 km (0.028 R)
• M4: 1,648,419 km (0.084 R)
• M5: 2,369,331 km (0.084 R)
• M6: 2,812,440 km (0.072 R)
• M7: 3,497,299 km (0.077 R)
• M8: 3,913,929 km (0.07 R)
• M9: 4,743,449 km (0.036 R)
• M10: 5,340,195 km (0.086 R)
• M11: 6,784,114 km (0.098 R)
• M12: 7,436,510 km (0.087 R)
• M13: 9,689,604 km (0.08 R)
• M14: 11,535,193 km (0.036 R)
• M15: 12,166,496 km (0.049 R)
• M16: 13,498,216 km (0.059 R)
• M17: 14,090,025 km (0.1 R)
• M18: 20,152,778 km (0.039 R)
• M19: 20,855,290 km (0.069 R)
• M20: 22,235,031 km (0.079 R)
• M21: 23,137,255 km (0.105 R)
• M22: 29,877,537 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.3

Radius: 8.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.55 AU - 5.19 AU

Year: 6306 Days

Day: 5.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,858,994 km

• M1: 105,915 km (0.052 R)
• M2: 372,200 km (0.09 R)
• M3: 668,553 km (0.05 R)
• M4: 1,166,863 km (0.103 R)
• M5: 2,062,057 km (0.115 R)
• M6: 2,345,246 km (0.111 R)
• M7: 2,723,280 km (0.071 R)
• M8: 4,016,254 km (0.094 R)
• M9: 6,869,684 km (0.09 R)
• M10: 7,473,012 km (0.117 R)
• M11: 7,752,311 km (0.107 R)
• M12: 8,074,994 km (0.114 R)
• M13: 8,519,000 km (0.117 R)
• M14: 10,459,734 km (0.098 R)
• M15: 11,579,474 km (0.098 R)
• M16: 13,897,493 km (0.113 R)
• M17: 14,807,048 km (0.069 R)
• M18: 15,137,509 km (0.068 R)
• M19: 15,642,253 km (0.05 R)
• M20: 15,927,536 km (0.1 R)
• M21: 18,147,418 km (0.116 R)
• M22: 18,781,265 km (0.106 R)
• M23: 19,892,328 km (0.089 R)
• M24: 28,078,623 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.3

Radius: 6.6

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.29 AU - 8.03 AU

Year: 11864 Days

Day: 21.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,858,994 km

• M1: 82,129 km (0.032 R)
• M2: 328,966 km (0.104 R)
• M3: 675,285 km (0.078 R)
• M4: 1,008,140 km (0.097 R)
• M5: 1,474,287 km (0.119 R)
• M6: 2,939,897 km (0.115 R)
• M7: 3,645,401 km (0.064 R)
• M8: 4,108,556 km (0.114 R)
• M9: 4,428,546 km (0.066 R)
• M10: 4,955,729 km (0.076 R)
• M11: 6,670,868 km (0.113 R)
• M12: 6,909,926 km (0.069 R)
• M13: 8,283,234 km (0.05 R)
• M14: 8,606,366 km (0.118 R)
• M15: 10,833,279 km (0.085 R)
• M16: 11,501,533 km (0.112 R)
• M17: 13,671,301 km (0.105 R)
• M18: 16,386,352 km (0.093 R)
• M19: 17,490,983 km (0.106 R)
• M20: 17,717,773 km (0.107 R)
• M21: 18,332,022 km (0.109 R)
• M22: 19,199,690 km (0.078 R)
• M23: 19,521,774 km (0.108 R)
• M24: 23,216,991 km (0.069 R)
• M25: 25,372,696 km (0.113 R)
• M26: 32,864,109 km (0.111 R)
• M27: 34,142,722 km (0.097 R)
• M28: 35,213,244 km (0.08 R)
• M29: 35,695,997 km (0.116 R)
• M30: 41,036,192 km (0.1 R)
• M31: 46,305,627 km (0.114 R)
• M32: 47,176,736 km (0.096 R)
• M33: 49,252,107 km (0.093 R)

Asteroid Belt

Center: 8.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.4

Radius: 6.7

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.82 AU - 10.12 AU

Year: 20116 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,858,994 km

• M1: 84,074 km (0.116 R)
• M2: 297,550 km (0.111 R)
• M3: 1,144,873 km (0.093 R)
• M4: 1,780,364 km (0.099 R)
• M5: 3,665,896 km (0.102 R)
• M6: 3,896,277 km (0.1 R)
• M7: 5,197,628 km (0.12 R)
• M8: 6,512,444 km (0.12 R)
• M9: 8,228,930 km (0.113 R)
• M10: 10,743,221 km (0.109 R)
• M11: 12,079,280 km (0.072 R)
• M12: 12,853,000 km (0.11 R)
• M13: 14,570,234 km (0.082 R)
• M14: 17,223,502 km (0.043 R)
• M15: 18,790,839 km (0.103 R)
• M16: 19,652,822 km (0.104 R)
• M17: 21,641,426 km (0.119 R)
• M18: 23,267,256 km (0.12 R)
• M19: 23,859,963 km (0.105 R)
• M20: 26,975,638 km (0.102 R)
• M21: 30,002,601 km (0.06 R)
• M22: 32,263,474 km (0.101 R)
• M23: 38,613,454 km (0.072 R)
• M24: 43,925,824 km (0.057 R)
• M25: 48,255,486 km (0.115 R)
• M26: 49,218,896 km (0.061 R)
• M27: 54,229,079 km (0.108 R)
• M28: 55,795,967 km (0.081 R)
• M29: 57,931,626 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 15,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit