🌌 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: 572.2

Radius: 9.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 13.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 97,143,579 km

• M1: 119,379 km (0.059 R)
• M2: 488,287 km (0.103 R)
• M3: 1,037,461 km (0.071 R)
• M4: 1,677,890 km (0.092 R)
• M5: 1,993,242 km (0.097 R)
• M6: 2,503,820 km (0.082 R)
• M7: 3,013,350 km (0.088 R)
• M8: 3,390,337 km (0.118 R)
• M9: 3,854,838 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 9.5

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.52 AU - 1.76 AU

Year: 1401 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 97,143,579 km

• M1: 118,182 km (0.09 R)
• M2: 625,319 km (0.049 R)
• M3: 939,475 km (0.09 R)
• M4: 1,939,836 km (0.1 R)
• M5: 2,285,855 km (0.09 R)
• M6: 5,796,768 km (0.11 R)
• M7: 6,545,505 km (0.102 R)
• M8: 7,774,302 km (0.116 R)
• M9: 8,655,882 km (0.099 R)
• M10: 9,725,657 km (0.073 R)
• M11: 10,260,320 km (0.102 R)
• M12: 11,015,041 km (0.076 R)
• M13: 11,841,419 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 14

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.68 AU - 2.38 AU

Year: 1929 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 97,143,579 km

• M1: 175,179 km (0.078 R)
• M2: 688,150 km (0.115 R)
• M3: 1,229,096 km (0.109 R)
• M4: 1,681,929 km (0.052 R)
• M5: 2,237,386 km (0.09 R)
• M6: 3,219,496 km (0.106 R)
• M7: 3,946,990 km (0.098 R)
• M8: 4,472,378 km (0.104 R)
• M9: 7,085,703 km (0.089 R)
• M10: 7,645,050 km (0.111 R)
• M11: 8,852,903 km (0.084 R)
• M12: 9,630,064 km (0.08 R)
• M13: 10,452,403 km (0.047 R)
• M14: 11,645,297 km (0.12 R)
• M15: 12,733,023 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.7

Radius: 7.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.76 AU - 7.5 AU

Year: 11384 Days

Day: 17.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 97,143,579 km

• M1: 93,199 km (0.117 R)
• M2: 475,721 km (0.12 R)
• M3: 796,459 km (0.112 R)
• M4: 1,152,203 km (0.108 R)
• M5: 1,552,377 km (0.03 R)
• M6: 2,339,561 km (0.082 R)
• M7: 2,581,162 km (0.099 R)
• M8: 3,328,702 km (0.084 R)
• M9: 3,614,584 km (0.112 R)
• M10: 4,282,987 km (0.066 R)
• M11: 4,646,659 km (0.11 R)
• M12: 6,190,210 km (0.112 R)
• M13: 6,848,441 km (0.07 R)
• M14: 7,975,960 km (0.073 R)
• M15: 15,686,534 km (0.089 R)
• M16: 19,468,069 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.5

Radius: 5.1

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.67 AU - 8.29 AU

Year: 12297 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 97,143,579 km

• M1: 63,729 km (0.071 R)
• M2: 343,477 km (0.08 R)
• M3: 732,581 km (0.103 R)
• M4: 1,883,886 km (0.09 R)
• M5: 3,736,506 km (0.094 R)
• M6: 3,939,959 km (0.104 R)
• M7: 4,509,777 km (0.117 R)
• M8: 4,889,008 km (0.099 R)
• M9: 5,384,626 km (0.072 R)
• M10: 5,879,047 km (0.064 R)
• M11: 8,162,658 km (0.087 R)
• M12: 8,333,200 km (0.082 R)
• M13: 9,084,480 km (0.045 R)
• M14: 9,360,189 km (0.048 R)
• M15: 11,185,134 km (0.043 R)
• M16: 11,501,832 km (0.079 R)
• M17: 12,319,833 km (0.106 R)
• M18: 13,888,816 km (0.036 R)
• M19: 14,071,026 km (0.051 R)
• M20: 14,254,882 km (0.059 R)
• M21: 16,792,062 km (0.088 R)
• M22: 16,998,806 km (0.069 R)
• M23: 18,937,295 km (0.059 R)
• M24: 20,230,718 km (0.098 R)
• M25: 22,571,028 km (0.108 R)
• M26: 24,286,167 km (0.115 R)
• M27: 27,589,139 km (0.08 R)
• M28: 28,753,459 km (0.103 R)
• M29: 33,411,488 km (0.066 R)
• M30: 38,548,230 km (0.078 R)
• M31: 39,635,058 km (0.062 R)
• M32: 40,124,542 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.8

Radius: 5.3

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.07 AU - 9.25 AU

Year: 14138 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 97,143,579 km

• M1: 76,295 km (0.083 R)
• M2: 261,647 km (0.093 R)
• M3: 1,054,815 km (0.09 R)
• M4: 1,223,711 km (0.093 R)
• M5: 4,814,359 km (0.066 R)
• M6: 5,481,266 km (0.094 R)
• M7: 6,726,519 km (0.091 R)
• M8: 8,725,595 km (0.098 R)
• M9: 12,075,839 km (0.047 R)
• M10: 16,263,533 km (0.09 R)
• M11: 17,825,334 km (0.089 R)
• M12: 21,161,816 km (0.084 R)
• M13: 22,502,661 km (0.095 R)
• M14: 27,739,335 km (0.107 R)
• M15: 35,791,739 km (0.119 R)
• M16: 36,378,013 km (0.069 R)
• M17: 41,429,485 km (0.078 R)
• M18: 45,819,733 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.3

Radius: 6.4

Gravity: 23.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.73 AU - 11.21 AU

Year: 24229 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 97,143,579 km

• M1: 110,104 km (0.113 R)
• M2: 674,387 km (0.096 R)
• M3: 1,339,350 km (0.104 R)
• M4: 2,374,118 km (0.11 R)
• M5: 3,928,290 km (0.08 R)
• M6: 4,916,833 km (0.116 R)
• M7: 7,743,186 km (0.112 R)
• M8: 7,959,504 km (0.096 R)
• M9: 8,347,860 km (0.063 R)
• M10: 8,983,651 km (0.099 R)
• M11: 10,157,097 km (0.084 R)
• M12: 14,367,230 km (0.099 R)
• M13: 14,694,400 km (0.099 R)
• M14: 20,732,470 km (0.08 R)
• M15: 27,985,124 km (0.109 R)
• M16: 43,876,607 km (0.035 R)
• M17: 54,187,042 km (0.059 R)
• M18: 60,110,818 km (0.102 R)
• M19: 63,776,415 km (0.105 R)
• M20: 69,433,458 km (0.089 R)
• M21: 71,786,932 km (0.112 R)
• M22: 83,826,568 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 17,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit