🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.3

Radius: 8.3

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.64 AU - 0.82 AU

Year: 403 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,958,456 km

• M1: 103,821 km (0.093 R)
• M2: 368,609 km (0.058 R)
• M3: 641,775 km (0.032 R)
• M4: 1,103,583 km (0.098 R)
• M5: 1,479,822 km (0.102 R)
• M6: 1,848,431 km (0.114 R)
• M7: 2,530,298 km (0.1 R)
• M8: 2,872,878 km (0.094 R)
• M9: 3,923,503 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 14

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.9 AU - 0.9 AU

Year: 551 Days

Day: 14.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,958,456 km

• M1: 174,132 km (0.072 R)
• M2: 710,440 km (0.076 R)
• M3: 1,424,920 km (0.105 R)
• M4: 2,180,389 km (0.065 R)
• M5: 2,688,872 km (0.117 R)
• M6: 3,595,884 km (0.086 R)
• M7: 4,078,038 km (0.066 R)
• M8: 5,921,533 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.8

Radius: 9.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.9 AU - 0.94 AU

Year: 570 Days

Day: 6.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,958,456 km

• M1: 122,072 km (0.107 R)
• M2: 726,896 km (0.033 R)
• M3: 1,553,873 km (0.061 R)
• M4: 2,651,173 km (0.065 R)
• M5: 3,099,069 km (0.087 R)
• M6: 3,584,664 km (0.11 R)
• M7: 5,562,946 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.1

Radius: 13

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.24 AU - 1.36 AU

Year: 957 Days

Day: 14 Hours

Environment

Temp: -170 °C

Axial Tilt: 119.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,958,456 km

• M1: 161,715 km (0.118 R)
• M2: 823,985 km (0.074 R)
• M3: 1,292,376 km (0.103 R)
• M4: 1,771,688 km (0.063 R)
• M5: 2,193,404 km (0.091 R)
• M6: 2,801,519 km (0.119 R)
• M7: 3,367,298 km (0.114 R)
• M8: 4,852,805 km (0.047 R)
• M9: 5,440,875 km (0.07 R)
• M10: 6,096,861 km (0.085 R)
• M11: 6,939,396 km (0.117 R)
• M12: 7,519,387 km (0.081 R)
• M13: 8,056,294 km (0.072 R)
• M14: 9,180,073 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 13.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.76 AU - 2.15 AU

Year: 1758 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,958,456 km

• M1: 162,912 km (0.118 R)
• M2: 701,614 km (0.078 R)
• M3: 1,582,745 km (0.108 R)
• M4: 2,019,272 km (0.114 R)
• M5: 2,459,838 km (0.077 R)
• M6: 3,758,497 km (0.083 R)
• M7: 4,491,526 km (0.105 R)
• M8: 5,187,755 km (0.098 R)
• M9: 5,675,893 km (0.058 R)
• M10: 6,316,770 km (0.112 R)
• M11: 7,111,883 km (0.117 R)
• M12: 7,631,436 km (0.1 R)
• M13: 8,932,788 km (0.099 R)
• M14: 9,735,530 km (0.078 R)
• M15: 10,832,382 km (0.059 R)
• M16: 11,782,927 km (0.099 R)
• M17: 12,240,098 km (0.065 R)
• M18: 13,028,329 km (0.113 R)
• M19: 13,600,092 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 10.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.07 AU - 5.45 AU

Year: 6705 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,958,456 km

• M1: 152,291 km (0.049 R)
• M2: 517,160 km (0.109 R)
• M3: 1,088,175 km (0.088 R)
• M4: 1,925,624 km (0.11 R)
• M5: 2,410,022 km (0.101 R)
• M6: 2,807,503 km (0.087 R)
• M7: 3,434,019 km (0.096 R)
• M8: 4,151,341 km (0.098 R)
• M9: 4,858,490 km (0.117 R)
• M10: 5,468,999 km (0.084 R)
• M11: 5,823,097 km (0.104 R)
• M12: 6,676,553 km (0.083 R)
• M13: 8,552,510 km (0.041 R)
• M14: 8,950,141 km (0.038 R)
• M15: 10,711,058 km (0.12 R)
• M16: 12,897,880 km (0.1 R)
• M17: 14,123,535 km (0.115 R)
• M18: 16,620,922 km (0.062 R)
• M19: 17,877,095 km (0.118 R)
• M20: 19,603,604 km (0.066 R)
• M21: 20,648,844 km (0.12 R)
• M22: 22,397,943 km (0.117 R)
• M23: 24,961,302 km (0.118 R)
• M24: 26,438,880 km (0.116 R)
• M25: 27,627,884 km (0.105 R)
• M26: 28,852,193 km (0.107 R)
• M27: 30,479,070 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.3

Radius: 7.8

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.87 AU - 8.11 AU

Year: 10675 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,958,456 km

• M1: 101,427 km (0.072 R)
• M2: 534,513 km (0.101 R)
• M3: 912,846 km (0.103 R)
• M4: 1,164,470 km (0.072 R)
• M5: 1,503,907 km (0.113 R)
• M6: 1,781,711 km (0.12 R)
• M7: 2,128,628 km (0.11 R)
• M8: 2,640,851 km (0.053 R)
• M9: 3,351,291 km (0.102 R)
• M10: 4,211,030 km (0.071 R)
• M11: 4,498,558 km (0.059 R)
• M12: 4,923,266 km (0.089 R)
• M13: 6,030,589 km (0.076 R)
• M14: 6,585,298 km (0.06 R)
• M15: 7,053,240 km (0.115 R)
• M16: 8,099,229 km (0.091 R)
• M17: 8,365,064 km (0.047 R)
• M18: 8,682,361 km (0.12 R)
• M19: 9,535,518 km (0.115 R)
• M20: 11,518,587 km (0.059 R)
• M21: 13,084,578 km (0.077 R)
• M22: 13,699,126 km (0.119 R)
• M23: 15,932,622 km (0.118 R)
• M24: 16,775,756 km (0.11 R)
• M25: 22,907,473 km (0.091 R)
• M26: 25,274,859 km (0.085 R)
• M27: 25,558,048 km (0.093 R)
• M28: 26,323,690 km (0.118 R)
• M29: 27,203,326 km (0.093 R)
• M30: 28,815,243 km (0.103 R)
• M31: 35,545,651 km (0.071 R)
• M32: 36,740,339 km (0.106 R)
• M33: 38,085,374 km (0.066 R)
• M34: 40,743,578 km (0.073 R)
• M35: 41,133,131 km (0.096 R)
• M36: 41,525,227 km (0.052 R)
• M37: 45,584,117 km (0.12 R)
• M38: 46,851,360 km (0.051 R)
• M39: 47,279,061 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.1

Radius: 4.9

Gravity: 36.66 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.65 AU - 8.41 AU

Year: 12035 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 83.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,958,456 km

• M1: 62,831 km (0.095 R)
• M2: 875,148 km (0.105 R)
• M3: 1,049,130 km (0.04 R)
• M4: 1,246,150 km (0.091 R)
• M5: 1,557,613 km (0.082 R)
• M6: 2,064,151 km (0.119 R)
• M7: 2,651,622 km (0.106 R)
• M8: 2,878,113 km (0.114 R)
• M9: 4,002,491 km (0.091 R)
• M10: 5,868,874 km (0.083 R)
• M11: 6,574,527 km (0.067 R)
• M12: 7,075,381 km (0.054 R)
• M13: 7,556,488 km (0.104 R)
• M14: 10,853,924 km (0.03 R)
• M15: 11,791,903 km (0.107 R)
• M16: 12,655,980 km (0.094 R)
• M17: 13,561,496 km (0.053 R)
• M18: 14,718,037 km (0.118 R)
• M19: 15,070,340 km (0.098 R)
• M20: 15,284,414 km (0.115 R)
• M21: 15,572,989 km (0.097 R)
• M22: 16,385,455 km (0.099 R)
• M23: 17,225,746 km (0.086 R)
• M24: 17,381,477 km (0.073 R)
• M25: 21,861,634 km (0.068 R)
• M26: 23,638,558 km (0.119 R)
• M27: 27,689,668 km (0.06 R)
• M28: 28,334,585 km (0.099 R)
• M29: 30,671,004 km (0.091 R)
• M30: 32,773,303 km (0.049 R)
• M31: 33,253,213 km (0.096 R)
• M32: 34,104,275 km (0.093 R)
• M33: 35,219,677 km (0.077 R)
• M34: 35,470,852 km (0.114 R)
• M35: 36,103,801 km (0.117 R)
• M36: 36,487,369 km (0.106 R)
• M37: 43,861,647 km (0.057 R)
• M38: 54,818,793 km (0.097 R)
• M39: 58,781,940 km (0.107 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 12,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit