🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.3

Radius: 8.1

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 5.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,335,029 km

• M1: 100,679 km (0.085 R)
• M2: 386,860 km (0.101 R)
• M3: 670,198 km (0.082 R)
• M4: 1,118,094 km (0.112 R)
• M5: 1,832,125 km (0.094 R)
• M6: 2,084,497 km (0.104 R)
• M7: 2,433,060 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 9.3

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.94 AU - 1.38 AU

Year: 862 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 89.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,335,029 km

• M1: 116,238 km (0.117 R)
• M2: 469,737 km (0.098 R)
• M3: 773,122 km (0.092 R)
• M4: 1,078,451 km (0.113 R)
• M5: 2,811,243 km (0.115 R)
• M6: 3,498,645 km (0.111 R)
• M7: 3,836,737 km (0.114 R)
• M8: 4,261,445 km (0.079 R)
• M9: 4,579,041 km (0.086 R)
• M10: 5,337,502 km (0.076 R)
• M11: 5,687,262 km (0.063 R)
• M12: 6,114,514 km (0.095 R)
• M13: 7,967,283 km (0.117 R)
• M14: 8,373,292 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.9

Radius: 11.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.27 AU - 1.27 AU

Year: 988 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,335,029 km

• M1: 139,425 km (0.11 R)
• M2: 537,206 km (0.09 R)
• M3: 997,219 km (0.09 R)
• M4: 1,521,410 km (0.086 R)
• M5: 1,918,293 km (0.113 R)
• M6: 2,287,651 km (0.085 R)
• M7: 2,716,997 km (0.04 R)
• M8: 3,448,381 km (0.117 R)
• M9: 3,845,712 km (0.099 R)
• M10: 4,240,800 km (0.035 R)
• M11: 4,893,496 km (0.091 R)
• M12: 5,752,038 km (0.118 R)
• M13: 6,335,021 km (0.046 R)
• M14: 6,797,877 km (0.079 R)
• M15: 7,283,322 km (0.068 R)
• M16: 7,841,322 km (0.114 R)
• M17: 8,988,289 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.5

Radius: 15

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.14 AU - 1.48 AU

Year: 1035 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,335,029 km

• M1: 186,549 km (0.107 R)
• M2: 800,498 km (0.078 R)
• M3: 1,621,491 km (0.112 R)
• M4: 2,619,160 km (0.06 R)
• M5: 3,299,979 km (0.114 R)
• M6: 3,980,351 km (0.114 R)
• M7: 5,156,788 km (0.093 R)
• M8: 5,667,067 km (0.056 R)
• M9: 6,278,623 km (0.047 R)
• M10: 6,910,075 km (0.058 R)
• M11: 7,532,253 km (0.1 R)
• M12: 8,218,757 km (0.078 R)
• M13: 8,689,991 km (0.086 R)
• M14: 9,179,475 km (0.117 R)
• M15: 9,901,733 km (0.054 R)
• M16: 10,532,438 km (0.07 R)
• M17: 11,089,391 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.44 AU - 1.52 AU

Year: 1243 Days

Day: 11.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,335,029 km

• M1: 112,198 km (0.031 R)
• M2: 478,414 km (0.071 R)
• M3: 864,526 km (0.1 R)
• M4: 1,167,163 km (0.11 R)
• M5: 2,339,561 km (0.074 R)
• M6: 2,675,408 km (0.063 R)
• M7: 3,501,189 km (0.076 R)
• M8: 3,958,060 km (0.092 R)
• M9: 4,289,869 km (0.091 R)
• M10: 5,303,993 km (0.102 R)
• M11: 5,767,596 km (0.089 R)
• M12: 7,558,133 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 12.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.79 AU - 1.81 AU

Year: 1667 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,335,029 km

• M1: 152,590 km (0.077 R)
• M2: 561,740 km (0.1 R)
• M3: 978,071 km (0.037 R)
• M4: 1,503,309 km (0.083 R)
• M5: 2,310,838 km (0.078 R)
• M6: 2,763,821 km (0.041 R)
• M7: 3,773,905 km (0.1 R)
• M8: 5,321,196 km (0.049 R)
• M9: 6,994,748 km (0.085 R)
• M10: 7,549,307 km (0.074 R)
• M11: 8,449,437 km (0.05 R)
• M12: 8,856,493 km (0.111 R)
• M13: 10,036,820 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.5

Radius: 9.7

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.04 AU - 2.8 AU

Year: 2599 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,335,029 km

• M1: 124,914 km (0.108 R)
• M2: 530,175 km (0.089 R)
• M3: 841,338 km (0.043 R)
• M4: 1,150,856 km (0.088 R)
• M5: 1,487,900 km (0.115 R)
• M6: 1,975,589 km (0.077 R)
• M7: 2,702,336 km (0.117 R)
• M8: 3,102,510 km (0.08 R)
• M9: 3,542,178 km (0.076 R)
• M10: 4,723,852 km (0.077 R)
• M11: 5,162,922 km (0.118 R)
• M12: 8,036,248 km (0.115 R)
• M13: 8,595,894 km (0.084 R)
• M14: 9,793,275 km (0.096 R)
• M15: 10,128,075 km (0.086 R)
• M16: 10,742,174 km (0.095 R)
• M17: 13,404,119 km (0.109 R)
• M18: 14,429,014 km (0.112 R)
• M19: 17,489,337 km (0.065 R)
• M20: 18,093,862 km (0.081 R)
• M21: 19,519,680 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.4

Radius: 13.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.54 AU - 3 AU

Year: 3182 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,335,029 km

• M1: 167,998 km (0.11 R)
• M2: 725,998 km (0.093 R)
• M3: 1,485,507 km (0.033 R)
• M4: 1,959,583 km (0.088 R)
• M5: 2,760,530 km (0.092 R)
• M6: 3,252,407 km (0.085 R)
• M7: 3,738,451 km (0.097 R)
• M8: 4,858,939 km (0.114 R)
• M9: 5,373,855 km (0.097 R)
• M10: 6,013,236 km (0.054 R)
• M11: 7,092,136 km (0.071 R)
• M12: 7,836,086 km (0.098 R)
• M13: 10,512,990 km (0.11 R)
• M14: 11,006,514 km (0.119 R)
• M15: 11,898,865 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.7

Radius: 3.1

Gravity: 96.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.29 AU - 10.03 AU

Year: 17591 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,335,029 km

• M1: 38,596 km (0.115 R)
• M2: 200,611 km (0.049 R)
• M3: 349,311 km (0.099 R)
• M4: 611,706 km (0.074 R)
• M5: 1,067,530 km (0.077 R)
• M6: 1,320,201 km (0.071 R)
• M7: 1,943,276 km (0.109 R)
• M8: 2,431,564 km (0.118 R)
• M9: 3,296,090 km (0.075 R)
• M10: 4,049,914 km (0.052 R)
• M11: 4,948,548 km (0.081 R)
• M12: 5,060,148 km (0.078 R)
• M13: 5,211,541 km (0.081 R)
• M14: 5,483,660 km (0.075 R)
• M15: 5,643,430 km (0.071 R)
• M16: 8,374,938 km (0.088 R)
• M17: 10,782,117 km (0.113 R)
• M18: 17,155,435 km (0.076 R)
• M19: 20,017,691 km (0.109 R)
• M20: 20,973,472 km (0.091 R)
• M21: 23,390,674 km (0.059 R)
• M22: 32,778,689 km (0.116 R)
• M23: 34,508,489 km (0.1 R)
• M24: 38,438,874 km (0.078 R)
• M25: 50,763,195 km (0.115 R)
• M26: 54,163,704 km (0.098 R)
• M27: 54,346,662 km (0.109 R)
• M28: 54,898,379 km (0.042 R)
• M29: 55,639,637 km (0.046 R)
• M30: 65,684,685 km (0.119 R)
• M31: 71,461,257 km (0.079 R)
• M32: 71,681,465 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 11,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit