🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.6

Radius: 10.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.77 AU - 0.97 AU

Year: 570 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,714,207 km

• M1: 136,882 km (0.095 R)
• M2: 620,382 km (0.107 R)
• M3: 1,159,533 km (0.069 R)
• M4: 1,596,060 km (0.115 R)
• M5: 1,964,818 km (0.067 R)
• M6: 2,363,946 km (0.107 R)
• M7: 2,827,400 km (0.1 R)
• M8: 3,184,041 km (0.051 R)
• M9: 3,678,462 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.2

Radius: 10.4

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.96 AU - 1.12 AU

Year: 746 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,714,207 km

• M1: 129,402 km (0.114 R)
• M2: 518,805 km (0.106 R)
• M3: 1,133,204 km (0.059 R)
• M4: 1,610,421 km (0.093 R)
• M5: 2,168,720 km (0.115 R)
• M6: 3,420,107 km (0.083 R)
• M7: 3,939,660 km (0.055 R)
• M8: 4,975,326 km (0.03 R)
• M9: 6,476,690 km (0.062 R)
• M10: 7,204,933 km (0.116 R)
• M11: 7,792,403 km (0.119 R)
• M12: 8,360,576 km (0.104 R)
• M13: 8,929,946 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.7

Radius: 8.3

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.23 AU - 3.35 AU

Year: 3276 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,714,207 km

• M1: 103,522 km (0.104 R)
• M2: 465,997 km (0.111 R)
• M3: 731,384 km (0.119 R)
• M4: 1,037,461 km (0.104 R)
• M5: 2,044,405 km (0.112 R)
• M6: 2,441,587 km (0.092 R)
• M7: 3,073,488 km (0.105 R)
• M8: 4,843,081 km (0.112 R)
• M9: 5,706,710 km (0.052 R)
• M10: 6,134,111 km (0.094 R)
• M11: 7,704,290 km (0.079 R)
• M12: 8,772,718 km (0.095 R)
• M13: 11,078,022 km (0.026 R)
• M14: 16,152,830 km (0.111 R)
• M15: 16,417,170 km (0.115 R)
• M16: 16,845,917 km (0.115 R)
• M17: 20,611,894 km (0.032 R)
• M18: 20,922,908 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652

Radius: 13.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.01 AU - 3.53 AU

Year: 4157 Days

Day: 13.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,714,207 km

• M1: 170,242 km (0.083 R)
• M2: 788,830 km (0.102 R)
• M3: 1,666,221 km (0.047 R)
• M4: 2,168,571 km (0.114 R)
• M5: 4,578,443 km (0.084 R)
• M6: 5,662,279 km (0.029 R)
• M7: 7,908,940 km (0.091 R)
• M8: 10,192,253 km (0.071 R)
• M9: 11,894,078 km (0.045 R)
• M10: 14,033,477 km (0.049 R)
• M11: 16,304,522 km (0.083 R)
• M12: 16,996,113 km (0.1 R)
• M13: 18,748,353 km (0.111 R)
• M14: 21,020,146 km (0.044 R)
• M15: 25,562,387 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.1

Radius: 5.9

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.61 AU - 6.33 AU

Year: 8993 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,714,207 km

• M1: 73,602 km (0.112 R)
• M2: 280,496 km (0.093 R)
• M3: 606,769 km (0.102 R)
• M4: 905,666 km (0.078 R)
• M5: 1,104,930 km (0.074 R)
• M6: 2,120,251 km (0.107 R)
• M7: 2,405,833 km (0.093 R)
• M8: 3,075,134 km (0.088 R)
• M9: 3,694,319 km (0.103 R)
• M10: 4,058,590 km (0.052 R)
• M11: 4,608,512 km (0.068 R)
• M12: 5,177,134 km (0.111 R)
• M13: 6,418,796 km (0.069 R)
• M14: 8,573,155 km (0.08 R)
• M15: 9,386,818 km (0.067 R)
• M16: 9,609,270 km (0.1 R)
• M17: 10,871,876 km (0.102 R)
• M18: 11,467,126 km (0.083 R)
• M19: 11,979,498 km (0.11 R)
• M20: 12,560,536 km (0.114 R)
• M21: 12,940,066 km (0.119 R)
• M22: 22,228,299 km (0.11 R)
• M23: 22,863,491 km (0.091 R)
• M24: 23,429,271 km (0.082 R)
• M25: 26,664,025 km (0.113 R)
• M26: 27,653,166 km (0.086 R)
• M27: 29,704,602 km (0.09 R)
• M28: 34,212,285 km (0.086 R)
• M29: 35,165,373 km (0.109 R)
• M30: 35,487,008 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.5

Radius: 5.4

Gravity: 32.56 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.05 AU - 8.07 AU

Year: 11810 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,714,207 km

• M1: 67,169 km (0.103 R)
• M2: 245,191 km (0.114 R)
• M3: 476,320 km (0.062 R)
• M4: 881,431 km (0.054 R)
• M5: 1,477,279 km (0.11 R)
• M6: 2,133,714 km (0.097 R)
• M7: 2,735,696 km (0.042 R)
• M8: 2,967,573 km (0.064 R)
• M9: 3,524,376 km (0.1 R)
• M10: 4,088,510 km (0.053 R)
• M11: 4,646,061 km (0.115 R)
• M12: 6,220,429 km (0.099 R)
• M13: 6,704,977 km (0.075 R)
• M14: 7,932,876 km (0.081 R)
• M15: 11,704,986 km (0.105 R)
• M16: 13,407,111 km (0.119 R)
• M17: 14,840,109 km (0.051 R)
• M18: 16,147,145 km (0.079 R)
• M19: 23,080,707 km (0.097 R)
• M20: 24,631,589 km (0.079 R)
• M21: 25,533,963 km (0.055 R)
• M22: 32,714,511 km (0.034 R)
• M23: 33,195,917 km (0.062 R)
• M24: 34,419,777 km (0.052 R)
• M25: 37,741,897 km (0.111 R)
• M26: 38,805,688 km (0.064 R)
• M27: 46,665,261 km (0.036 R)
• M28: 46,969,393 km (0.078 R)
• M29: 47,275,022 km (0.111 R)
• M30: 52,345,791 km (0.089 R)
• M31: 54,505,386 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 20,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit