🌌 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 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.5 AU - 0.76 AU

Year: 323 Days

Day: 33.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 94.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,245,970 km

• M1: 206,595 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.6

Radius: 11.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.8 AU - 0.82 AU

Year: 471 Days

Day: 8.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,245,970 km

• M1: 142,118 km (0.091 R)
• M2: 669,750 km (0.045 R)
• M3: 1,146,518 km (0.116 R)
• M4: 1,514,230 km (0.051 R)
• M5: 1,908,270 km (0.076 R)
• M6: 2,398,054 km (0.038 R)
• M7: 3,044,915 km (0.107 R)
• M8: 3,491,465 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 8.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.01 AU - 1.69 AU

Year: 1013 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,245,970 km

• M1: 103,971 km (0.067 R)
• M2: 746,793 km (0.06 R)
• M3: 1,430,754 km (0.105 R)
• M4: 1,917,695 km (0.115 R)
• M5: 2,688,124 km (0.097 R)
• M6: 3,637,323 km (0.098 R)
• M7: 5,118,491 km (0.086 R)
• M8: 5,457,330 km (0.062 R)
• M9: 5,756,975 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 10.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.69 AU - 2.03 AU

Year: 1638 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,245,970 km

• M1: 135,685 km (0.087 R)
• M2: 506,090 km (0.117 R)
• M3: 853,456 km (0.116 R)
• M4: 2,031,988 km (0.107 R)
• M5: 2,519,827 km (0.104 R)
• M6: 4,944,359 km (0.072 R)
• M7: 5,387,019 km (0.101 R)
• M8: 6,136,056 km (0.098 R)
• M9: 7,730,021 km (0.108 R)
• M10: 8,713,178 km (0.094 R)
• M11: 9,615,852 km (0.042 R)
• M12: 11,864,607 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.9

Radius: 15

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.77 AU - 4.53 AU

Year: 5459 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,245,970 km

• M1: 187,297 km (0.069 R)
• M2: 866,321 km (0.119 R)
• M3: 1,782,907 km (0.118 R)
• M4: 2,265,061 km (0.066 R)
• M5: 2,757,538 km (0.067 R)
• M6: 4,687,500 km (0.101 R)
• M7: 5,299,355 km (0.097 R)
• M8: 6,317,518 km (0.118 R)
• M9: 7,556,039 km (0.109 R)
• M10: 9,021,649 km (0.05 R)
• M11: 10,472,749 km (0.114 R)
• M12: 15,301,319 km (0.095 R)
• M13: 16,124,706 km (0.074 R)
• M14: 19,064,603 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 12

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.32 AU - 5.88 AU

Year: 7437 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,245,970 km

• M1: 149,598 km (0.089 R)
• M2: 891,603 km (0.073 R)
• M3: 1,555,219 km (0.075 R)
• M4: 2,390,275 km (0.051 R)
• M5: 3,099,369 km (0.05 R)
• M6: 3,593,640 km (0.084 R)
• M7: 4,473,425 km (0.045 R)
• M8: 4,852,357 km (0.087 R)
• M9: 5,311,772 km (0.101 R)
• M10: 6,520,822 km (0.119 R)
• M11: 7,448,478 km (0.117 R)
• M12: 9,302,444 km (0.063 R)
• M13: 10,857,963 km (0.073 R)
• M14: 12,264,033 km (0.087 R)
• M15: 13,120,182 km (0.1 R)
• M16: 13,562,992 km (0.1 R)
• M17: 14,654,757 km (0.082 R)
• M18: 15,252,401 km (0.109 R)
• M19: 15,866,350 km (0.066 R)
• M20: 18,488,053 km (0.069 R)
• M21: 20,561,031 km (0.111 R)
• M22: 27,165,178 km (0.09 R)
• M23: 29,083,322 km (0.097 R)
• M24: 29,932,440 km (0.036 R)
• M25: 31,581,307 km (0.101 R)
• M26: 31,977,891 km (0.109 R)
• M27: 33,392,339 km (0.07 R)
• M28: 34,219,167 km (0.079 R)
• M29: 36,237,242 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.8

Radius: 7.4

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.56 AU - 6.6 AU

Year: 9680 Days

Day: 21.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,245,970 km

• M1: 92,152 km (0.106 R)
• M2: 457,919 km (0.109 R)
• M3: 786,885 km (0.097 R)
• M4: 1,104,930 km (0.102 R)
• M5: 1,372,112 km (0.083 R)
• M6: 1,806,993 km (0.102 R)
• M7: 2,074,773 km (0.077 R)
• M8: 2,628,285 km (0.098 R)
• M9: 3,498,047 km (0.049 R)
• M10: 5,143,324 km (0.064 R)
• M11: 6,882,848 km (0.101 R)
• M12: 8,285,328 km (0.054 R)
• M13: 10,176,844 km (0.088 R)
• M14: 10,866,640 km (0.067 R)
• M15: 11,140,105 km (0.115 R)
• M16: 13,370,908 km (0.1 R)
• M17: 14,723,572 km (0.073 R)
• M18: 15,194,207 km (0.094 R)
• M19: 18,077,407 km (0.12 R)
• M20: 19,971,914 km (0.109 R)
• M21: 23,056,024 km (0.079 R)
• M22: 23,782,022 km (0.045 R)
• M23: 25,279,796 km (0.086 R)
• M24: 28,050,349 km (0.078 R)
• M25: 29,827,871 km (0.097 R)
• M26: 30,581,096 km (0.094 R)
• M27: 33,721,155 km (0.12 R)
• M28: 43,451,599 km (0.072 R)
• M29: 45,259,938 km (0.096 R)
• M30: 45,684,347 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.8

Radius: 7.8

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.76 AU - 7.46 AU

Year: 9752 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,245,970 km

• M1: 102,325 km (0.069 R)
• M2: 359,035 km (0.114 R)
• M3: 695,032 km (0.094 R)
• M4: 981,212 km (0.12 R)
• M5: 1,396,795 km (0.061 R)
• M6: 1,653,356 km (0.091 R)
• M7: 2,335,672 km (0.115 R)
• M8: 2,660,598 km (0.055 R)
• M9: 3,193,017 km (0.069 R)
• M10: 4,109,154 km (0.118 R)
• M11: 5,414,545 km (0.099 R)
• M12: 8,998,611 km (0.09 R)
• M13: 11,222,982 km (0.116 R)
• M14: 22,839,406 km (0.056 R)
• M15: 24,147,789 km (0.093 R)
• M16: 25,047,321 km (0.115 R)
• M17: 27,782,269 km (0.116 R)
• M18: 28,570,501 km (0.066 R)
• M19: 28,869,846 km (0.111 R)
• M20: 30,294,616 km (0.089 R)
• M21: 32,194,659 km (0.088 R)
• M22: 33,283,881 km (0.105 R)
• M23: 35,305,995 km (0.101 R)
• M24: 37,647,351 km (0.109 R)
• M25: 39,965,670 km (0.108 R)
• M26: 40,340,113 km (0.108 R)
• M27: 40,843,211 km (0.106 R)
• M28: 43,421,380 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.2

Radius: 4.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.42 AU - 9.46 AU

Year: 14446 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,245,970 km

• M1: 61,036 km (0.09 R)
• M2: 217,665 km (0.072 R)
• M3: 443,857 km (0.098 R)
• M4: 838,646 km (0.12 R)
• M5: 1,347,727 km (0.092 R)
• M6: 1,637,199 km (0.097 R)
• M7: 4,916,684 km (0.042 R)
• M8: 5,571,473 km (0.04 R)
• M9: 8,072,451 km (0.119 R)
• M10: 8,737,563 km (0.095 R)
• M11: 11,187,078 km (0.079 R)
• M12: 13,035,210 km (0.103 R)
• M13: 14,675,701 km (0.06 R)
• M14: 18,031,779 km (0.114 R)
• M15: 19,575,031 km (0.086 R)
• M16: 20,485,334 km (0.045 R)
• M17: 20,842,723 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.9

Radius: 3.5

Gravity: 64.64 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7 AU - 11.34 AU

Year: 17930 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,245,970 km

• M1: 43,533 km (0.056 R)
• M2: 414,536 km (0.105 R)
• M3: 602,281 km (0.059 R)
• M4: 1,536,819 km (0.081 R)
• M5: 2,107,684 km (0.082 R)
• M6: 2,908,781 km (0.085 R)
• M7: 3,925,299 km (0.041 R)
• M8: 5,009,434 km (0.047 R)
• M9: 5,347,077 km (0.056 R)
• M10: 6,151,315 km (0.108 R)
• M11: 7,313,242 km (0.104 R)
• M12: 9,043,341 km (0.062 R)
• M13: 9,828,730 km (0.06 R)
• M14: 14,747,059 km (0.115 R)
• M15: 16,071,299 km (0.074 R)
• M16: 17,387,910 km (0.084 R)
• M17: 24,313,843 km (0.03 R)
• M18: 25,061,084 km (0.116 R)
• M19: 38,320,841 km (0.086 R)
• M20: 38,896,344 km (0.069 R)
• M21: 43,710,254 km (0.109 R)
• M22: 45,935,522 km (0.112 R)
• M23: 52,177,793 km (0.109 R)
• M24: 56,144,829 km (0.085 R)
• M25: 62,862,671 km (0.114 R)
• M26: 63,261,948 km (0.09 R)
• M27: 67,556,902 km (0.065 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 16,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit